Table and Figures for MTR 937

Table 4-5 Summary of Impacts Under Proposed MTR 937 Compared to NAA 4-5a Proposed MTR 937 Coordinates 4-5b Proposed MTR 937 Route Widths 4-5c Proposed MTR 937 Minimum and Maximum Altitudes Figures 4-4 Proposed MTR 937 4-4A Parks, Refuges and Recreation Areas 4-4B Moose Habitat 4-4C Caribou Habitat 4-4D Brown Bear Habitat 4-4E Dall Sheep Habitat 4-4F Bison Habitat 4-4G Waterfowl Habitat 4-4H Trumpeter Swan Habitats 4-4I Bald Eagle Nesting Sites 4-4J Raptor Nesting Sites 4-4K Caribous Subsistence 4-4L Moose Subsistence 4-4M Dall Sheep Subsistence 4-4N Waterfowl Subsistence

Table 4-5 Summary of Impacts Under Proposed MTR 937 Compared to NAA

1 Segments G-H, H-I, Alternate Exit A and Alternate Exit B occur under the proposal only. 2 Alternate Exit Track B (AA-AJ) follows the same ground track as MTR 940 A-I.

Proposed Segments1,2

A-B

B-C

C-D

D-E

E-F

F-G

G-H

H-I

C-A

A

AJ-

AK

Aircraft Use -Flight Operations + + + + + + + + + +

Federal Lands -National Parks/ Preserves/Wilderness Areas

-National Wildlife Refuges/Wilderness Areas

-BLM ACEC + + -BLM Camp Grounds + -Wild and Scenic Rivers + + + - -Historic Trails

State Lands -ADF&G State Game Refuges n/c - -DNR State Parks + + + -Important Trails

Wildlife -Caribou calving areas + n/c n/c - - - -Moose calving areas n/c n/c n/c n/c - n/c - - - - -Dall Sheep habitat + + n/c n/c n/c -Bison habitat + + -Waterfowl migration corridors + -Waterfowl spring and fall concentration areas n/c n/c n/c n/c + n/c - - - -

-Trumpeter Swan nesting areas + + n/c - -Marine birds concentration areas

-Marine mammals concentration areas

-Peregrine falcon nesting areas -Bald Eagle nesting areas + + + - -Raptor migration routes + -Bear seasonal concentration areas n/c n/c n/c n/c n/c n/c - - - -

Subsistence -Villages under MTR + -Moose subsistence n/c + n/c n/c - - -Caribou subsistence n/c + n/c n/c - - -Dall sheep subsistence n/c - -Waterfowl subsistence + n/c + -

n/c = No change from the NAA + = Positive change (reduced impacts from the NAA) - = Negative change (slightly increased = Resources not crossed impacts from the NAA)

Table 4-5a Proposed MTR 937 Coordinates

MTR VR VR

Reverse IR

IR Reverse

FLIP Point

Latitude (north)

Longitude (west)

A 62 13.77 146 55.48 B 62 45.57 147 29.81 C 62 58.36 146 31.83 D 63 18.82 146 51.22 E 63 29.86 147 46.60 F 63 47.07 147 33.32 G 63 55.11 146 58.65 H 64 05.00 147 10.00 I 64 17.11 147 24.96

Alternate Exit Track A G 63 55.11 146 58.65

AH 63 55.14 146 31.40 Alternate Exit Track B

C 62 58.36 146 31.83

937 VR-937 VR-938 IR-919 IR-921

AA-AK Revised 940 Point A. Then as proposed for 940 points A-I.

Table 4-5b Proposed MTR 937 Route Widths

MTR VR VR Reverse IR IR

Reverse Segment MTR Width (NM)

A-B 10 B-C 10 C-D 10 D-E 10 E-F 10 F-G 10 G-H 10 H-I 10

Alternate Exit Track A G-AH 10

Alternate Exit Track B

937 VR-937 VR-938 IR-919 IR-921

AA-AK 10

Table 4-5c Proposed MTR 937 Minimum and Maximum Altitudes

MTR VR VR Reverse IR IR

Reverse Segment Min. VR Altitude

(feet AGL)

Maximum VR

Altitude (feet)

Min. IR Altitude

(feet AGL)

Maximum IR Altitude

(feet AMSL)

A-B 100 11,000 AMSL 100 11,000

B-C 100 11,000 AMSL 100 11,000

C-D 100 11,000 AMSL 100 11,000

D-E 100 14,700 AMSL 100 14,700

E-F 100 14,700 AMSL 100 14,700

F-G 100 14,700 AMSL 100 14,700

G-H 100 10,800 AMSL 100 10,800

H-I 100 6,900 AMSL 100 6,900

Alternate Exit Track A

G-AH 100 8,600 AMSL 100 8,600

Alternate Exit Track B

937 VR-937 VR-938 IR-

919 IR-921

AA-AK 100 11,000 AMSL 100 11,000