nat region aeronautical radio stations network 2018 data

NAT REGION Aeronautical Radio Stations Network

2018

Data consolidation report

(Presented by Portugal)

NAT AERONAUTICAL RADIO STATIONS NETWORK DATA CONSOLIDATION REPORT 2018- AS ENDORSED AT NAT IMG/54 (29 April-3 May 2019)

(Appendix L to the NAT IMG/54 Summary of Discussions - NAT IMG Decision 54/3 refers

NAT Region Aeronautical Radio Stations 2018 Data Consolidation Report


Contents 1 INTRODUCTION ............................................................................................................................... 7

2 NAT REGION VOICE TRAFFIC OVERVIEW (BY RADIO STATION AND OVERALL SUM) ...................... 8

2.1 Total of messages and relative variation ................................................................................ 8

2.2 Five year period traffic variation ........................................................................................... 11

2.3 Band/Frequency utilization ................................................................................................... 14

2.3.1 Aeronautical stations individual analysis ...................................................................... 15

2.3.2 NAT overall analysis ...................................................................................................... 17

3 VOICE COMMUNICATION SYSTEM PERFORMANCE ASSESSMENT ............................................... 18

3.1 ATC intervention messages (Clearances, Requests and Advisories) ..................................... 18

3.2 Surveillance messages (Position reports) ............................................................................. 19

4 APPENDIXES .................................................................................................................................. 21

4.1 Appendix 1 – NAT Region ...................................................................................................... 23

4.2 Appendix 2 – Bodo ................................................................................................................ 31

4.3 Appendix 3 - Gander ............................................................................................................. 35

4.4 Appendix 4 - New York .......................................................................................................... 39

4.5 Appendix 5 - Santa Maria ...................................................................................................... 43

4.6 Appendix 6 – Shanwick and Iceland ...................................................................................... 47


TABLES Table 1 –Total of voice messages and relative variation in comparison with previous year ................. 8

Table 2 – Relative variation of voice messages between 2011 and 2015 ............................................ 12

Table 3 – Most used HF bands and frequencies ................................................................................... 14

Table 4 – Santa Maria voice ATC intervention messages summary ..................................................... 18

Table 5 – Santa Maria voice surveillance messages summary ............................................................. 19


FIGURES Figure 1 - RELATIVE VARIATION 2017-2018 (NAT REGION AND BY RADIO STATION) ............................ 9

Figure 2 – Aeronautical stations traffic comparison ............................................................................. 10

Figure 3 – Traffic comparison among aeronautical stations in the last five years ............................... 11

Figure 4 - 5 year relative variation of voice messages (NAT Region and by radio station) .................. 12

Figure 5 – 2014-2018 voice messages variation (absolute and relative) .............................................. 12

Figure 6 – Monthly variation of RT contacts ......................................................................................... 16

Figure 7 – Frequency usage .................................................................................................................. 16

Figure 8 – Aggregate RT contacts by NAT/RDARA family and on VHF/SATVOICE ................................ 17

Figure 9 – Santa Maria voice ATC intervention messages performance .............................................. 18

Figure 10 – Santa Maria voice surveillance messages performance .................................................... 19


1 INTRODUCTION This data consolidation is presented in accordance with NATSPG Conclusion 29/13 - HF DATA

COLLECTION, points a), b) and c) and reflects the NAT Aeronautical Stations contacts in 2018.

The report is organized to provide both a global overview and individual Stations analysis. It allows

an annual comparison of total RT contacts, frequency utilization and NAT Family utilization in both

graphic and tabular forms.

Additionally, for the aeronautical stations able to provide that information, the report contains an

assessment of the Voice Communications System Performance and information on the use of

SATVOICE, in accordance with CNSG9 Summary of Discussions, paragraphs 4.2 to 4.4 and ACSG14

Summary of Discussions, paragraph 3.8.


2 NAT REGION VOICE TRAFFIC OVERVIEW (BY RADIO STATION AND

OVERALL SUM)

2.1 Total of messages and relative variation

TOTAL OF MESSAGES Variation. 2017-2018

BODO 71.622 +3,1%

GANDER 882.808 +1,3%

NEW YORK 327.512 -8,4%

SANTA MARIA 329.574 -7,4%

SHANWICK AND ICELAND 1.233.684 -3,4%

NAT REGION 2.845.200 -2,9%

Table 1 –Total of voice messages and relative variation in comparison with previous year

In reference to the 2017 statistics:

• Bodo and Gander increased the number of handled messages;

• New York, Santa Maria and Shanwick/Iceland have decreased the number of messages.

• Overall, in the NAT Region, there were 2.845.200 voice messages processed in 2018, a

decrease of 2,9%.


Figure 1 - RELATIVE VARIATION 2017-2018 (NAT REGION AND BY RADIO STATION)


Figure 2 – Aeronautical stations traffic comparison

In 2018, from NAT voice messages total:

• Shanwick/Iceland processed 43%;

• Gander processed 31%;

• New York processed 11%;

• Santa Maria processed 12%; and

• Bodo processed 3%.


2.2 Five year period traffic variation

Figure 3 – Traffic comparison among aeronautical stations in the last five years

Along the past five years:

• The joint operations Shanwick/Iceland has always been the station handling most of the

NAT traffic, although showing a slight decrease since 2015, from about half of the overall

traffic to slightly above two fifths in 2018;

• Gander has been handling almost the same number of messages every year, which

represents about a third of the Nat traffic in 2018;

• New York and Santa Maria handle approximately the same number of messages every year,

evenly sharing slightly above a fifth of the messages in 2018; and

• Bodo has a low messages count, although almost tripling the message counts when

comparing to 2014.


5 YEAR VARIATION

2014-2015 2015-2016 2016-2017 2017-2018 2014-2018

BODO +12,9% +24,3% +9% +3,1% +57,7%

GANDER -2,9% +1,8% +1,4% +1,3% +1,5%

NEW YORK +1,3% +8,1% -6,1% -8,4% -5,9%

SANTA MARIA -0,6% +13,3% -1,4% -7,4% +2,9%

SHANWICK/ICELAND +7,6% -14,8% -6,8% -3,4% -17,4%

NAT REGION +3,1% -4,4% -3,4% -2,9% -7,5%

Table 2 – Relative variation of voice messages between 2011 and 2015

Figure 4 - 5 year relative variation of voice messages (NAT Region and by radio station)

Figure 5 – 2014-2018 voice messages variation (absolute and relative)


Along the five years analyzed:

• Bodo has increased each year the number of messages, with a 57.7% increase in 2018 in

comparison with 2014.

• Gander has decreased the number of messages in 2015 and increased slightly each year

since then. In 2018 the number of handled messages was 1.5% more than in 2014.

• New York has increased the number of messages till 2016 and decreased since then. In 2018

the number of handled messages was 5.9% less than in 2014.

• Santa Maria has slightly decreased the number of messages in 2015, increased in 2016 and

decreased again since then. In 2018 the number of handled messages was 2.9% more than

in 2014.

• The joint operations of Shanwick and Iceland had an increase in 2015 and decreased since

then. In 2018 the number of handled messages was 17.4% less than in 2014

• Overall in the NAT Region, voice messages have increased in 2015 and decreased in the

following years. There were about 7.5% less of voice messages handled in the NAT Region in

2018 when comparing to 2014.


2.3 Band/Frequency utilization

Table 3 – Most used HF bands and frequencies

2/4 KHz QA 6780 0% 1 0% 3003 1% 3147 1% 629 0%

QB 21736 1% 20150 2% 1586 0%

281724 QC 60491 2% 15 0% 60476 5%

10% QD 16868 1% 7 0% 335 0% 16526 1%

QE 1070 0% 1060 0% 10 0%

QF 61775 2% 59924 7% 1851 0%

QH 37929 1% 0% 17503 5% 20426 2%

QI 3 0% 3 0%

QJ 66828 2% 66828 5%

QK 8240 0% 8240 1%

QL 4 0% 4 0%

5/6 KHz TA 112646 4% 4 0% 37648 11% 47977 15% 27017 2%

TB 120193 4% 117693 13% 2500 0%

950632 TC 130115 5% 10 0% 130105 11%

33% TD 133499 5% 62171 87% 6381 1% 64947 5%

TE 88541 3% 19584 6% 68957 21%

TF 29938 1% 1385 0% 28553 2%

TH 229 0% 20 0% 209 0%

TI 56338 2% 56338 5%

TJ 93112 3% 93112 8%

TK 88290 3% 88290 7%

TL 97731 3% 97731 8%

8 KHz VA 105642 4% 4 0% 17661 5% 87921 27% 56 0%

VB 151294 5% 112361 13% 38933 3%

629900 VC 41002 1% 15 0% 40987 3%

22% VD 186395 7% 8725 12% 130193 15% 47477 4%

VE 114762 4% 29034 9% 85728 26%

VF 30792 1% 30769 3% 23 0%

VH 6 0% 6 0%

VI 6 0% 6 0%

VJ 1 0% 1 0%

10/13 KHz YA 64987 2% 8 0% 64950 20% 28 0% 1 0%

YB 181 0% 169 0% 12 0%

282789 YC 0 0% 0 0%

10% XC 10235 0% 10224 1% 11 0%

YD 30 0% 30 0%

XD 95791 3% 689 1% 94484 11% 618

YE 14696 1% 14696 4% 0 0%

XE 83495 3% 79982 24% 3513 1%

XH 13374 0% 13374 1%

XI 0 0% 0 0%

16/22 KHz ZA 677 0% 667 0% 9 0% 1 0%

1164 ZE 466 0% 466 0%

0% PE/PT 21 0% 21 0%

VHF 120,55 17647 1% 17647 2%

122,375 156233 5% 156233 18%

692464 123,75 21989 1% 21989 2%

24% 124,82 8617 0% 8617 1%

126,9 7256 0% 7256 1%

127,1 3206 0% 3206 0%

127,9 57138 2% 23627 3% 5220 2% 28291 2%

134,47 9959 0% 9959 1%

134,95 667 0% 667 0%

119,85 19721 1% 19721 2%

135,35 28764 1% 28764 3%

ATC 40 0% 40 0%

129,9 56642 2% 56642 17%

132,075 7737 0% 7737 2%

124,175 18594 1% 18594 2%

126,55 59306 2% 59306 5%

127,85 195484 7% 195484 16%

129,625 23464 1% 23464 2%

SATVOICE SP 6527 0,2% 957 0,1% 2098 0,6% 1804 0,5% 1668 0,1%

0,2% Totals 2845200 71622 882808 327512 329574 1233684

Legend: > 50.000>25.000

<49.999

>10.000

<24.999

>5.000

<9.000

NAT REGIONSHANWICK

ICELANDSANTA MARIANEW YORKGANDERBODO


2.3.1 Aeronautical stations individual analysis

2.3.1.1 Bodo

• 87% of messages on the 5-6 KHz band, on frequency TD

• 12% of messages on the 8 KHz band, on frequency VD

2.3.1.2 Gander

• About 66% on HF

o About 31% on the 8 KHz band, mostly on frequencies VB, VD and VF

o About 12% on the 11/13 KHz band, mostly on frequencies XC and XD

o About 14% the 5/6 KHz band, mostly on frequency TB

o About 9% on the 2/4 KHz band, mostly on frequency QB and QF

• About 33% on VHF

o The most used VHF frequency was 122,375 MHz

• SATVOICE residual

2.3.1.3 New York

• About 82% on HF

o About 48% on the 11/13 KHz band, mostly on frequencies YA, YE and XE

o About 14% on the 8 KHz band, mostly on frequencies VE and VA

o About 17% the 5-6 KHz band, mostly on frequencies TA and TE

o About 1% on the 2/4 KHz band, mostly on frequency QA

o Residual us on the 16/22 KHz band



2.3.1.4 Santa Maria

• About 96% on HF

o About 53% on the 8 KHz band, mostly on frequencies VA and VE

o About 36% the 5-6 KHz band, mostly on frequencies TA and TE

o About 6% on the 2/4 KHz band, mostly on frequencies QH and QA

o About 1% on the 11/13 KHz band, mostly on frequency XE

• About 4% on VHF


2.3.1.5 Shanwick/Iceland

• About 73% on HF

o About 48% the 5-6 KHz band, mostly on frequencies TC, TD, TF,TI, TJ, TK and TL

o About 14% on the 2/4 KHz band, mostly on frequencies QC, QD, QH and QJ

o About 10% on the 8 KHz band, mostly on frequencies VB, VC and VD

o About 1% on the 11/13 KHz band, mostly on frequency XH


o The most used VHF frequency was 127,850 MHz



Figure 6 – Monthly variation of RT contacts

Figure 7 – Frequency usage


Figure 8 – Aggregate RT contacts by NAT/RDARA family and on VHF/SATVOICE

2.3.2 NAT overall analysis

Overall, in the NAT Region, the most used HF frequencies are of the 5-6 KHz band (33%) and the 8

KHz band (22%).

SATVOICE still has a residual use, representing only 0,2% of total voice messages in the NAT Region.

Santa Maria and New York were the stations with the higher relative usage of SATVOICE

(respectively 0.5% and 0.6%).

The most used HF frequencies in the NAT Region were VD (7%), VB (5%) and TC (5%) while on VHF it

was 127.850 MHz (7%) and 122,375 (5%).

The most used NAT Family was “D” (15.2%) and the most used RDARA was “J” (9%).

VHF has assured almost a quarter of NAT voice communications (23%).


3 VOICE COMMUNICATION SYSTEM PERFORMANCE ASSESSMENT Only Santa Maria Radio Station has provided the data to assess the voice communications system

performance according the common agreed template.

The analysis was made from January 1, 2018 to December 31, 2018 (12 months).

3.1 ATC intervention messages (Clearances, Requests and Advisories)

The voice ATC intervention performance analysis focused on Clearances (excluding OCL), Requests

and Advisories and measures the time interval between the time the message is received at the

station and the time the readback message is sent to ATC. The time unit used is minutes.

Table 4 – Santa Maria voice ATC intervention messages summary

Santa Maria Radio processed 16.156 messages, about 68% of the messages are clearances, 21% are

requests and 10% are advises.

The aggregate average message delay was 2.8 minutes. The average message delay for clearances

was 2.4 minutes.

The aggregate performance was 93% of messages delivered within 5 minutes and 97% within 10

minutes. The performance for clearance messages was higher than the aggregate, respectively 94%

and 98%.

Figure 9 – Santa Maria voice ATC intervention messages performance

Msg Total Msg Daily Average Count Msg Average Delay (minutes)

CLE 11063 30 2,4

ADZ 1648 5 2,5

RQU 3445 9 3,6

Aggregate 16156 44 2,8


3.2 Surveillance messages (Position reports)

The Voice surveillance performance analysis focused on POS messages (excluding data link equipped

aircraft) and measures the time interval between the time over position and time message is sent

from the radio station to the ATC unit. The time unit used is minutes.

Table 5 – Santa Maria voice surveillance messages summary

Santa Maria Radio processed 43.545 messages and delivered 89% of them within 5 minutes and 95%

within 10 minutes. The average message delay was 1.8 minutes

Figure 10 – Santa Maria voice surveillance messages performance

Msg Total Msg Daily Average Count Msg Average Delay (minutes)

POS 43545 119 1,8


4 APPENDIXES

In the appendixes, a detailed analysis of traffic is provided for each station.


4.1 Appendix 1 – NAT Region

2014 2015 2016 2017 2018

JANUARY 233139 235496 226474 224903 209601

FEBRUARY 204382 209264 218746 203849 191532

MARCH 238396 242902 245923 231894 220090

APRIL 242913 259830 250230 235153 224371

MAY 267392 275328 261930 248624 252124

JUNE 284017 291583 283266 275625 270118

JULY 309382 310859 302521 293175 290010

AUGUST 298999 314116 285953 288587 279403

SEPTEMBER 275011 291624 261121 261915 257067

OCTOBER 258336 271162 247194 249845 242057

NOVEMBER 226151 226626 216339 206300 199999

DECEMBER 238864 244465 234630 211124 208828

TOTAL 3076982 3173255 3034327 2930994 2845200

RT TRAFFIC COMPARISON

MONTH YEAR

3076982

3173255

3034327

29309942845200

0

500000

1000000

1500000

2000000

2500000

3000000

3500000

2014 2015 2016 2017 2018


0

1000

2000

3000

4000

5000

6000

7000

8000

JAN

FE

B

MA

R

AP

R

MA

Y

JUN

JUL

AU

G

SE

P

OC

T

NO

V

DE

C

BODO AERONAUTICAL STATION HF FAMILIES AND VHF/SATCOM UTILIZATION

NAT "A"

NAT "B"

NAT "C"

NAT "D"

NAT "E"

NAT "F"

NAT "H"

NAT "I"

NAT "J"

VHF

SP

0

5000

10000

15000

20000

25000

30000

35000

JAN

FE

B

MA

R

AP

R

MA

Y

JUN

JUL

AU

G

SE

P

OC

T

NO

V

DE

C

GANDER AERONAUTICAL STATION HF FAMILIES AND VHF/SATCOM UTILIZATION

NAT "A"

NAT "B"

NAT "C"

NAT "D"

NAT "E"

NAT "F"

NAT "H"

NAT "I"

NAT "J"

VHF

SP

0

2000

4000

6000

8000

10000

12000

14000

16000

18000

JAN

FE

B

MA

R

AP

R

MA

Y

JUN

JUL

AU

G

SE

P

OC

T

NO

V

DE

C

NEW YORK AERONAUTICAL STATION HF FAMILIES AND VHF/SATCOM UTILIZATION

NAT "A"

NAT "B"

NAT "C"

NAT "D"

NAT "E"

NAT "F"

NAT "H"

NAT "I"

NAT "J"

VHF

SP0

2000

4000

6000

8000

10000

12000

14000

16000

18000

JAN

FE

B

MA

R

AP

R

MA

Y

JUN

JUL

AU

G

SE

P

OC

T

NO

V

DE

C

SANTA MARIA AERONAUTICAL STATION HF FAMILIES AND VHF/SATCOM UTILIZATION

NAT "A"

NAT "B"

NAT "C"

NAT "D"

NAT "E"

NAT "F"

NAT "H"

NAT "I"

NAT "J"

VHF

SP

0

5000

10000

15000

20000

25000

30000

35000

40000

JAN

FE

B

MA

R

AP

R

MA

Y

JUN

JUL

AU

G

SE

P

OC

T

NO

V

DE

C

SHANWICK/ICELAND AERONAUTICAL STATIONS HF FAMILIES AND VHF/SATCOM UTILIZATION

NAT "A"

NAT "B"

NAT "C"

NAT "D"

NAT "E"

NAT "F"

NAT "H"

NAT "I"

NAT "J"

VHF

SP


NAT Family "A" NAT Family "B" NAT Family "C" NAT Family "D" NAT Family "E" NAT Family "F"

QA 6780 0,24% QB 21736 0,76% QC 60491 2,13% QD 16868 0,59% QE 1070 0,04% QF 61775 2,17% QH 37929 1,33% QI 3 0,00% QJ 66828 2,35% 119,850 19721 0,69% 6527 0,23%

TA 112646 3,96% TB 120193 4,22% TC 130115 4,57% TD 133499 4,69% TE 88541 3,11% TF 29938 1,05% TH 229 0,01% TI 56338 1,98% TJ 93112 3,27% 120,550 17647 0,62%

VA 105642 3,71% VB 151294 5,32% VC 41002 1,44% VD 186395 6,55% VE 114762 4,03% VF 30792 1,08% VH 6 0,00% VI 6 0,00% VJ 1 0,00% 122,375 156233 5,49%

YA 64987 2,28% YB 181 0,01% XC 10235 0,36% XD 95791 3,37% XE 83495 2,93% YF 0 0,00% XH 13374 0,47% XI 0 0,00% QK 8240 0,29% 123,750 21989 0,77%

ZA 677 0,02% YC 0 0,00% YD 30 0,00% YE 14696 0,52% TL 97731 3,43% QL 4 0,00% TK 88290 3,10% 124,175 18594 0,65%

PE/PT 21 0,00% ZE * 466 0,02% 124,820 8617 0,30%

126,550 59306 2,08%

126,900 7256 0,26%

127,100 3206 0,11%

127,850 195484 6,87%

127,900 57138 2,01%

129,625 23464 0,82%

129,900 56642 1,99%

132,075 7737 0,27%

134,470 9959 0,35%

134,950 667 0,02%

135,350 28764 1,01%

ATC 40 0,00% TOTAL

TOTAL 290753 10,2% TOTAL 293404 10,3% TOTAL 241843 8,5% TOTAL 432583 15,2% TOTAL 303030 10,7% TOTAL 122505 4,3% TOTAL 149269 5,2% TOTAL 56351 2,0% TOTAL 256471 9,0% TOTAL 692464 24,3% 6527 0,2% 2845200

* PE/PT only in KZNY * ZE only in KZNY * RDARA H only in EGGX/LPPO * RDARA I and J only in EGGX

RDARA "H" * RDARA "I" * RDARA "J" * GP VHF SP


4.2 Appendix 2 – Bodo

2014 2015 2016 2017 2018

JANUARY 3550 5134 4833 5152 6351

FEBRUARY 2863 3843 4875 5071 5502

MARCH 3658 4515 4565 5956 4421

APRIL 3039 3393 5081 5392 5009

MAY 3011 4738 5068 4706 5872

JUNE 3516 3884 4923 6245 5860

JULY 4250 4418 6547 6690 7110

AUGUST 4412 4667 6461 6649 7137

SEPTEMBER 3836 4127 5374 5552 6655

OCTOBER 4574 3828 5475 6118 5815

NOVEMBER 4037 4184 5375 5576 5198

DECEMBER 4658 4547 5167 6356 6692

TOTAL 45404 51278 63744 69463 71622


MONTH YEAR

45404

51278

63744

6946371622

0

10000

20000

30000

40000

50000

60000

70000

80000

2014 2015 2016 2017 2018


0

1000

2000

3000

4000

5000

6000

7000

8000

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

MONTHLY COMPARISION BETWEEN YEARS

2014 2015 2016 2017 2018


FAMILY NAT Family D

FREQ QD TD VD XD YD TOTALS

MONTH 2971 4675 8891 11279 13291

JANUARY 0 5899 448 4 0 6351

FEBRUARY 0 4933 551 13 5 5502

MARCH 1 3865 532 23 0 4421

APRIL 3 4229 742 35 0 5009

MAY 0 4935 810 124 3 5872

JUNE 0 4706 1083 71 0 5860

JULY 0 5886 1141 82 1 7110

AUGUST 0 6018 1014 105 0 7137

SEPTEMBER 0 5749 811 88 7 6655

OCTOBER 3 5174 551 81 6 5815

NOVEMBER 0 4789 360 41 8 5198

DECEMBER 0 5988 682 22 0 6692

SUB-TOTALS 7 62171 8725 689 30 71622

PERCENT % 0,01% 86,80% 12,18% 0,96% 0,04% 100,00%

NAT Family "D"

QD 7 0,01%

TD 62171 86,80%

VD 8725 12,18%

XD 689 0,96%

YD 30 0,00%

TOTAL 71622 100,00%


4.3 Appendix 3 - Gander

2014 2015 2016 2017 2018

JANUARY 62217 56984 58221 59731 57346

FEBRUARY 55551 52935 54668 51598 52829

MARCH 66394 62040 62856 61790 62542

APRIL 68167 66942 68583 67736 69110

MAY 78303 75799 77781 78187 81097

JUNE 85728 80711 83342 85565 87500

JULY 86497 86952 89141 92057 93228

AUGUST 85186 85936 87212 88999 91222

SEPTEMBER 81313 80133 81657 81727 86087

OCTOBER 76812 75587 75180 78000 79854

NOVEMBER 62232 59607 61122 63702 61657

DECEMBER 61042 60722 60056 62438 60336

TOTAL 869442 844348 859819 871530 882808


MONTH YEAR

869442

844348859819

871530882808

0

100000

200000

300000

400000

500000

600000

700000

800000

900000

1000000

2014 2015 2016 2017 2018


0

10000

20000

30000

40000

50000

60000

70000

80000

90000

100000

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

MONTHLY COMPARISON BETWEEN YEARS

2014 2015 2016 2017 2018


FAMILY NAT Family A NAT Family B NAT Family C NAT Family F

FREQ QA TA VA YA QB TB VB YB QC TC VC XC YC QD TD VD XD QF TF VF YF 120,55MHz122,375MHz123,75MHz124,82MHz126,9MHz127,1MHz127,9MHz134,47MHz134,95MHz119,85MHz135,35MHz ATC SP TOTALS

MONTH 3016 5598 8906 13306 2899 5616 8864 13291 2872 5649 8879 11336 13306 2971 4675 8891 11279 3476 6622 8831 13291 120,55 122,375 123,75 124,82 126,9 127,1 127,9 134,47 134,95 119,85 135,35 ATC

JANUARY 1 0 0 0 5270 7621 6522 0 0 2 1 253 0 190 518 9448 5237 1303 6 1589 0 989 11067 1241 508 205 174 1178 932 107 1036 1863 1 84 57346

FEBRUARY 0 0 2 0 564 7632 5962 0 1 0 2 2 0 2 1884 6777 5279 4448 3 1931 0 1067 10436 1136 268 1315 267 1082 681 39 1425 551 1 72 52829

MARCH 0 1 0 0 2660 7223 9182 0 4 1 2 38 0 122 2781 7028 8034 3936 15 3078 0 1301 9410 1735 2 479 1 2199 722 45 319 2148 4 72 62542

APRIL 0 0 0 1 4162 5466 9373 0 0 0 1 0 0 2 100 10421 8118 5509 35 3720 0 855 12221 1651 1 118 0 1952 734 48 1019 3535 1 67 69110

MAY 0 0 0 1 166 11875 9997 0 3 1 3 84 0 1 381 11633 8858 6357 7 3694 0 1429 14530 2331 541 880 519 2289 1020 40 439 3943 5 70 81097

JUNE 0 1 0 1 32 12713 11578 1 0 1 2 9 0 0 7 12455 9926 5685 331 4915 0 1298 15170 2412 1224 265 282 2674 1110 85 1768 3507 5 43 87500

JULY 0 0 1 1 195 13667 11989 0 0 2 3 2914 0 0 19 13219 9908 6369 124 1700 0 2324 16374 2512 1283 884 167 2495 1257 90 3515 2149 4 63 93228

AUGUST 0 1 0 2 512 13212 11087 165 0 0 0 3627 0 0 13 14527 9216 6213 315 164 0 2559 15829 2829 1216 990 332 2444 1117 23 3354 1386 1 88 91222

SEPTEMBER 0 0 0 1 669 12190 10559 2 1 0 0 2133 0 8 356 13418 8917 5378 415 1454 0 2083 15272 2626 952 636 175 2491 886 38 2793 2553 8 73 86087

OCTOBER 0 1 0 0 729 11357 9535 1 0 0 0 263 0 7 98 12042 8153 5859 99 3539 0 1665 14817 1810 898 388 867 1889 658 102 3340 1577 4 156 79854

NOVEMBER 0 0 1 1 1104 8591 8329 0 3 1 1 823 0 0 67 9399 6523 4817 3 2144 0 1043 11121 565 829 845 128 1458 449 36 489 2772 4 111 61657

DECEMBER 0 0 0 0 4087 6146 8248 0 3 2 0 78 0 3 157 9826 6315 4050 32 2841 0 1034 9986 1141 895 251 294 1476 393 14 224 2780 2 58 60336

SUB-TOTALS 1 4 4 8 20150 117693 112361 169 15 10 15 10224 0 335 6381 130193 94484 59924 1385 30769 0 17647 156233 21989 8617 7256 3206 23627 9959 667 19721 28764 40 957 882808

PERCENT % 0,00% 0,00% 0,00% 0,00% 2,28% 13,33% 12,73% 0,02% 0,00% 0,00% 0,00% 1,16% 0,00% 0,04% 0,72% 14,75% 10,70% 6,79% 0,16% 3,49% 0,00% 2,00% 17,70% 2,49% 0,98% 0,82% 0,36% 2,68% 1,13% 0,08% 2,23% 3,26% 0,00% 0,11% 100,00%

NAT Family "A" NAT Family "B" NAT Family "C" NAT Family "D" NAT Family "F" GP VHF SP

QA 1 0,00% QB 20150 2,28% QC 15 0,00% QD 335 0,04% QF 59924 6,79% 120,55 17647 2,00% 957 0,11%

TA 4 0,00% TB 117693 13,33% TC 10 0,00% TD 6381 0,72% TF 1385 0,16% 122,375 156233 17,70%

VA 4 0,00% VB 112361 12,73% VC 15 0,00% VD 130193 14,75% VF 30769 3,49% 123,75 21989 2,49%

YA 8 0,00% YB 169 0,02% XC 10224 1,16% XD 94484 10,70% YF 0 0,00% 124,82 8617 0,98%

YC 0 0,00% 126,9 7256 0,82%

127,1 3206 0,36%

127,9 23627 2,68%

134,47 9959 1,13%

134,95 667 0,08%

ATC 19721 2,23%

ATC 28764 3,26%

ATC 40 0,00%

TOTAL 17 0,00% TOTAL 250373 28,36% TOTAL 10264 1,16% TOTAL 231393 26,21% TOTAL 92078 10,43% TOTAL 297726 33,72% 957 0,11%

NAT FAMILY "D" GP VHF


4.4 Appendix 4 - New York

2014 2015 2016 2017 2018

JANUARY 29636 32567 30303 35973 30399

FEBRUARY 25399 26551 31135 31494 27384

MARCH 28705 29869 34578 33653 29343

APRIL 28696 36561 31398 31177 26134

MAY 27294 27889 30410 29101 25284

JUNE 26460 29137 31788 30183 25491

JULY 34727 29052 34351 32588 29916

AUGUST 32485 35914 33875 32993 28604

SEPTEMBER 28198 25531 27434 24500 25957

OCTOBER 25405 24084 27068 26158 24369

NOVEMBER 26500 25458 28482 23117 24971

DECEMBER 34431 29821 40216 26779 29660

TOTAL 347936 352434 381038 357716 327512


MONTH YEAR

347936 352434

381038

357716

327512

0

50000

100000

150000

200000

250000

300000

350000

400000

450000

2014 2015 2016 2017 2018


FAMILY NAT Family A NAT Family E GP

FREQ QA TA VA YA ZA PE/PT QE TE VE XE YE ZE JW SP TOTALS

MONTH 3016 5598 8906 13306 17946 21964 2962 6628 8825 11309 13354 17952 129,9

JANUARY 604 4430 1704 4549 24 1 89 2676 2708 7240 1241 2 4984 147 30399

FEBRUARY 226 3631 1440 3980 0 2 57 2055 2353 8033 1385 0 4116 106 27384

MARCH 311 4862 1616 3199 3 1 564 2053 2512 8318 333 0 5423 148 29343

APRIL 706 3147 1493 5342 93 0 111 1683 2231 5348 1054 6 4778 142 26134

MAY 92 2608 1630 7170 104 0 3 977 2127 4844 1285 7 4306 131 25284

JUNE 22 3358 1674 7168 83 3 1 197 2932 4221 828 35 4815 154 25491

JULY 9 1498 2062 9214 131 5 2 236 2964 5834 2925 93 4783 160 29916

AUGUST 23 1090 2275 9017 156 3 4 528 2528 5969 2072 221 4505 213 28604

SEPTEMBER 230 2127 1225 7796 49 3 2 1511 2149 5709 1281 65 3491 319 25957

OCTOBER 265 2491 816 6450 14 0 16 2502 1817 4125 2211 22 3400 240 24369

NOVEMBER 265 3765 801 809 6 0 10 2689 1897 9669 44 5 4843 168 24971

DECEMBER 250 4641 925 256 4 3 201 2477 2816 10672 37 10 7198 170 29660

SUB-TOTALS 3003 37648 17661 64950 667 21 1060 19584 29034 79982 14696 466 56642 2098 327512

PERCENT % 0,92% 11,50% 5,39% 19,83% 0,20% 0,01% 0,32% 5,98% 8,87% 24,42% 4,49% 0,14% 17,29% 0,64% 100,00%

NAT Family "A" NAT Family "E" GP VHF/SP

QA 3003 0,92% QE 1060 0,32% 129,9 56642 17,29% 2098 0,64%

TA 37648 11,50% TE 19584 5,98%

VA 17661 5,39% VE 29034 8,87%

YA 64950 19,83% XE 79982 24,42%

ZA 667 0,20% YE 14696 4,49%

PE/PT 21 0,01% ZE 466 0,14%

TOTAL 123950 37,85% TOTAL 144822 44,22% TOTAL 56642 17,29% 2098 0,64%

SP


4.5 Appendix 5 - Santa Maria

2014 2015 2016 2017 2018

JANUARY 25988 26133 30111 29953 27457

FEBRUARY 22758 23164 27897 30583 25061

MARCH 25581 26865 31626 30774 27879

APRIL 26928 26904 29264 30913 27190

MAY 24996 27073 28568 27832 27421

JUNE 26515 26893 32343 28948 28155

JULY 32468 28386 33563 32333 30650

AUGUST 30806 29915 31996 33979 30726

SEPTEMBER 28089 26137 28508 30733 27279

OCTOBER 25945 26042 29023 28422 27728

NOVEMBER 23432 24295 27968 25209 24097

DECEMBER 26770 26549 29859 26066 25931

TOTAL 320276 318356 360726 355745 329574


MONTH YEAR

320276318356

360726 355745

329574

0

50000

100000

150000

200000

250000

300000

350000

400000

2014 2015 2016 2017 2018


FAMILY NAT Family A NAT Family E RDARA NAT H

FREQ QA TA VA YA ZA QE TE VE XE YE QH TH JK JL SP TOTALS

MONTH 3016 5598 8906 13306 17946 2962 6628 8825 11309 13354 3491 6667 127,9 132,075

JANUARY 628 5628 7258 1 0 1 4744 6480 212 0 1252 1 283 842 127 27457

FEBRUARY 713 4829 6781 15 0 1 4181 6136 36 0 1397 0 175 692 105 25061

MARCH 1071 6459 6649 6 0 2 4138 6609 19 0 1804 1 210 812 99 27879

APRIL 689 6003 7475 3 0 0 4769 5595 57 0 1334 1 502 605 157 27190

MAY 2 3663 7657 2 9 0 5920 8164 67 0 495 1 584 693 164 27421

JUNE 2 4080 6923 0 0 1 6000 8183 1464 0 237 8 487 667 103 28155

JULY 2 3760 9880 0 0 0 6057 8437 985 0 118 0 627 656 128 30650

AUGUST 0 3556 8675 0 0 0 6140 9942 355 0 627 2 613 631 185 30726

SEPTEMBER 0 3840 7217 0 0 1 4842 8220 138 0 1719 3 493 612 194 27279

OCTOBER 9 3925 7952 1 0 2 4520 8220 103 0 1829 0 454 561 152 27728

NOVEMBER 4 1750 5802 0 0 0 6303 6318 69 0 2897 2 328 489 135 24097

DECEMBER 27 484 5652 0 0 2 11343 3424 8 0 3794 1 464 477 255 25931

SUB-TOTALS 3147 47977 87921 28 9 10 68957 85728 3513 0 17503 20 5220 7737 1804 329574

PERCENT % 0,95% 14,56% 26,68% 0,01% 0,00% 0,00% 20,92% 26,01% 1,07% 0,00% 5,31% 0,01% 1,58% 2,35% 0,55% 100,00%

NAT Family A NAT Family E RDARA NAT H GP VHF

QA 3147 0,95% QE 10 0,00% QH 17503 5,31% 127,9 5220 1,58% 1804 0,55%

TA 47977 14,56% TE 68957 20,92% TH 20 0,01% 132,075 7737 2,35%

VA 87921 26,68% VE 85728 26,01%

YA 28 0,01% XE 3513 1,07%

ZA 9 0,00% YE 0 0,00%

TOTAL 139082 42,20% TOTAL 158208 48,00% TOTAL 17523 5,32% TOTAL 12957 3,93% 1804 0,55%

GP

SP


4.6 Appendix 6 – Shanwick and Iceland

2014 2015 2016 2017 2018

JANUARY 111748 114678 103006 94094 88048

FEBRUARY 97811 102771 100171 85103 80756

MARCH 114058 119613 112298 99721 95905

APRIL 116083 126030 115904 99935 96928

MAY 133788 139829 120103 108798 112450

JUNE 141798 150958 130870 124684 123112

JULY 151440 162051 138919 129507 129106

AUGUST 146110 157684 126409 125967 121714

SEPTEMBER 133575 155696 118148 119403 111089

OCTOBER 125600 141621 110448 111147 104291

NOVEMBER 109950 113082 93392 88696 84076

DECEMBER 111963 122826 99332 89485 86209

TOTAL 1493924 1606839 1369000 1276540 1233684


MONTH YEAR

1493924

1606839

1369000

12765401233684

0

200000

400000

600000

800000

1000000

1200000

1400000

1600000

1800000

2014 2015 2016 2017 2018


FAMILY SP

FREQ QA TA VA YA QB TB VB YB/YD QC TC VC XC QD TD VD XD ZA QF TF VF YF QH TH VH XH TL QI TI VI XI QL QJ TJ VJ QK TK 124,175 126,550 127,850 127,900 129,625 SP TOTALS

MONTH 3016 5598 8906 13306 2899 5616 8864 13291 2872 5649 8879 11336 2971 4675 8891 11279 17946 3476 6622 8831 13291 3491 6667 8864 10021 5583 2890 6595 10066 2860 3446 6547 8954 2944 4651 124,175 126,550 127,850 127,900 129,625

JANUARY 3 2845 4 1 11 14 2927 0 8990 5100 1965 0 789 5582 3822 21 0 3 1960 2 0 3737 13 0 0 4395 0 2 0 0 0 9959 5859 0 2 4588 1463 4922 14840 2172 1931 126 88048

FEBRUARY 149 3594 5 0 79 15 1976 0 7373 6376 1979 0 1941 5429 3114 30 0 12 1843 0 0 3223 26 0 0 5481 0 1 0 0 0 7554 6334 0 0 1658 1248 5046 13105 1851 1221 93 80756

MARCH 3 4478 3 0 135 973 2833 3 7514 8939 3224 0 13 4510 3151 49 0 93 1462 2 0 2675 15 0 2 7698 0 781 0 0 1 8209 8089 0 1959 3375 2393 4728 14753 2043 1601 198 95905

APRIL 0 4280 6 0 8 1029 2731 0 6433 9131 3807 0 2 5165 3775 86 0 6 1988 5 0 3829 57 0 46 7702 1 1745 0 0 0 7637 8173 0 2 4538 2027 3894 14871 2027 1792 135 96928

MAY 0 3844 3 0 1 111 3271 1 3317 13721 4367 0 4 5440 4708 90 1 8 3447 1 0 2580 10 0 1024 9739 0 2405 1 0 0 3733 9312 1 2474 9323 1297 5443 17977 2462 2240 94 112450

JUNE 0 5 5 0 1 45 4937 5 122 16968 5020 2 1 5177 4888 61 0 3 3692 4 0 1559 9 1 2788 10745 1 10039 3 0 2 1946 9730 0 961 11727 1323 6038 20264 2484 2430 126 123112

JULY 42 5 9 0 0 39 4848 1 126 17260 4294 5 0 5567 5202 56 0 4 3626 0 0 1 16 1 2889 12145 0 16675 0 0 0 3269 9226 0 3 9181 1371 6445 21638 2710 2291 161 129106

AUGUST 54 3 5 0 1 15 3877 2 1013 16832 3790 0 0 5470 5114 42 0 38 2871 0 0 47 14 0 3059 10886 1 14601 0 0 0 3878 8334 0 2 9297 1263 5882 19503 2969 2660 191 121714

SEPTEMBER 376 2 1 0 615 11 3397 0 3211 14541 3813 2 2025 5270 4301 51 0 6 2826 1 0 312 19 1 2568 9339 0 8242 1 0 0 5098 6913 0 195 9729 1350 5316 16489 2747 2144 177 111089

OCTOBER 2 2244 9 0 726 227 2519 0 3903 8991 3441 2 5926 5737 3765 57 0 3 2820 1 0 15 9 2 998 7962 0 1844 1 0 0 8296 7881 0 1825 8579 1491 4579 15747 2616 1913 160 104291

NOVEMBER 0 3284 3 0 3 11 2638 0 7659 6103 2266 0 4215 4741 2430 20 0 393 1181 2 0 2442 13 1 0 6040 0 1 0 0 0 3425 6942 0 510 7710 1543 3638 12778 2226 1761 97 84076

DECEMBER 0 2433 3 0 6 10 2979 0 10815 6143 3021 0 1610 6859 3207 55 0 1282 837 5 0 6 8 0 0 5599 0 2 0 0 1 3824 6319 0 307 8585 1825 3375 13519 1984 1480 110 86209

SUB-TOTALS 629 27017 56 1 1586 2500 38933 12 60476 130105 40987 11 16526 64947 47477 618 1 1851 28553 23 0 20426 209 6 13374 97731 3 56338 6 0 4 66828 93112 1 8240 88290 18594 59306 195484 28291 23464 1668 1233684

PERCENT % 0,05% 2,19% 0,00% 0,00% 0,13% 0,20% 3,16% 0,00% 4,90% 10,55% 3,32% 0,00% 1,34% 5,26% 3,85% 0,05% 0,00% 0,15% 2,31% 0,00% 0,00% 1,66% 0,02% 0,00% 1,08% 7,92% 0,00% 4,57% 0,00% 0,00% 0,00% 5,42% 7,55% 0,00% 0,67% 7,16% 1,51% 4,81% 15,85% 2,29% 1,90% 0,14%

NAT Family A NAT Family B NAT Family C NAT Family D NAT Family F RDARA NAT FAMILY "H"RDARA NAT FAMILY "I" RDARA NAT FAMILY "J" GP VHF SP

QA 629 0,05% QB 1586 0,13% QC 60476 4,90% QD 16526 1,34% QF 1851 0,15% QH 20426 1,66% QI 3 0,00% QJ 66828 5,42% 124,175 18594 1,51% 1668 0,14%

TA 27017 2,19% TB 2500 0,20% TC 130105 10,55% TD 64947 5,26% TF 28553 2,31% TH 209 0,02% TI 56338 4,57% TJ 93112 7,55% 126,550 59306 4,81%

VA 56 0,00% VB 38933 3,16% VC 40987 3,32% VD 47477 3,85% VF 23 0,00% VH 6 0,00% VI 6 0,00% VJ 1 0,00% 127,850 195484 15,85%

YA 1 0,00% YB/YD 12 0,00% XC 11 0,00% XD 618 0,05% YF 0 0,00% XH 13374 1,08% XI 0 0,00% QK 8240 0,67% 127,900 28291 2,29%

ZA 1 TL 97731 7,92% QL 4 0,00% TK 88290 7,16% 129,625 23464 1,90%

TOTAL 27703 2,25% TOTAL 43031 3,49% TOTAL 231579 18,77% TOTAL 129569 10,50% TOTAL 30427 2,47% TOTAL 131746 10,68% TOTAL 56351 4,57% TOTAL 256471 20,79% TOTAL 325139 26,36% 1668 0,14%

NAT Family A NAT Family B NAT Family C NAT Family D NAT Family F RDARA NAT FAMILY "H" RDARA NAT FAMILY "I" RDARA NAT FAMILY "J" GP VHF

nat region aeronautical radio stations network 2018 data

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