anti-ice r 01
TRANSCRIPT
-
7/30/2019 Anti-Ice R 01
1/30
PT. METRO BATAVIA
Directorate of OperationalSlide 1 of 30
737-300/400
ANTI-ICE
NextMain Menu Quit
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
2/30
PT. METRO BATAVIA
Directorate of OperationalSlide 2 of 30
Anti-Ice Protection Areas
The cowl lip on both
engines are heated
utilizing bleed air.
Both elevator pitot
tubes (one on each
side of vertical
stabilizer) are
electrically heated.
All six leading
edge slats (three
on each wing) are
heated utilizing
bleed air.
All four pitot-statictubes (two on
each side), both
AOA vanes (one
on each side) and
the TAT probe (left
side only) are
electrically heated.
Eight of the ten flight deck
windows are electrically heated.
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
3/30
PT. METRO BATAVIA
Directorate of OperationalSlide 3 of 30
Window Heat Panel
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
4/30
PT. METRO BATAVIA
Directorate of OperationalSlide 4 of 30
Window Heat Panel
Window OVERHEAT Lights:
Illuminated
Overheat condition is detected.
Temp reaches 62 degree celcius
Note: OVERHEAT light illuminates
if electrical power to window is
interrupted.
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
5/30
PT. METRO BATAVIA
Directorate of OperationalSlide 5 of 30
Window Heat Panel
Window Heat ON Lights:
Illuminated
Window heat is being applied to
selected window. Under normal
conditions, all four green ON lightsshould illuminate when the WINDOW
HEAT switches are positioned to ON.Range working temperature 32-43 degree
celcius
Extinguished
One of the following has occurred:
The respective switch has been
turned OFF.
An overheat condition has been
detected.
A system failure has occurred.
The respective window is already
above it normal operating temperature.
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
6/30
PT. METRO BATAVIA
Directorate of OperationalSlide 6 of 30
Window Heat Panel
WINDOW HEAT Switches:
ON
Window heat is applied to selected
window.
OFF
Window heat not in use.
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
7/30PT. METRO BATAVIA
Directorate of OperationalSlide 7 of 30
Window Heat Panel
WINDOW HEAT Test Switch:
(spring-loaded to center)
OVHT
Tests the window overheat system by
simulating an OVERHEAT condition.
PWR TEST
Provides a confidence test. Use PWR
TEST whenever one or more green ON
lights do not illuminate when the
WINDOW HEAT switches are positioned
to ON.
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
8/30PT. METRO BATAVIA
Directorate of OperationalSlide 8 of 30
Window/Foot Air Controls
WINDSHIELD AIR Controls:
Pull
Supplies conditioned air to respective
forward windows (L1 and R1) for
defogging.
FOOT AIR Controls:
Pull
Supplies conditioned air to pilots leg
positions.
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
9/30PT. METRO BATAVIA
Directorate of OperationalSlide 9 of 30
Pitot-Static Heat Panel
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
10/30PT. METRO BATAVIA
Directorate of OperationalSlide 10 of 30
Pitot-Static Heat Panel
PITOT STATIC Lights:
Illuminated
Related probe not heated.
ExtinguishedRelated probe is receiving heat.
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
11/30PT. METRO BATAVIA
Directorate of OperationalSlide 11 of 30
Pitot-Static Heat Panel
PITOT STATIC HEAT Switches (A and B):
ON
Power is supplied to electrically heat
related probe. Respective pitot-static
light will extinguish to indicate heat isbeing applied.
OFF
Power is removed from related probe.
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
12/30PT. METRO BATAVIA
Directorate of OperationalSlide 12 of 30
Engine Anti-Ice Panel
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
13/30PT. METRO BATAVIA
Directorate of OperationalSlide 13 of 30
Engine Anti-Ice Panel
COWL ANTI-ICE Lights:
Illuminated
Indicates an overpressure or
overtemperature condition in the duct
downstream of the engine cowl anti-
ice valve.Over pressure >65 PSI
Over temperature >825 degree F
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
14/30
PT. METRO BATAVIA
Directorate of OperationalSlide 14 of 30
Engine Anti-Ice Panel
COWL VALVE OPEN Lights:
Illuminated bright blue
Related engine cowl anti-ice valve is in
transit, or related engine cowl anti-ice
valve position disagrees with related
ENG ANTI-ICE switch position.
Illuminated dim blue
Related engine cowl anti-ice valve is
fully open and therefore in agreement
with ENG ANTI-ICE switch position
(switch ON). Normal pressure 50 PSI
Extinguished
Related cowl anti-ice valve is closed
(switch OFF).
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
15/30
PT. METRO BATAVIA
Directorate of OperationalSlide 15 of 30
Engine Anti-Ice Panel
ENGINE ANTI-ICE Switches:
ON
Related engine cowl anti-ice valve is
signaled to open.
OFFRelated engine cowl anti-ice valve is
signaled to close.
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
16/30
PT. METRO BATAVIA
Directorate of OperationalSlide 16 of 30
Wing Anti-Ice Panel
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
17/30
PT. METRO BATAVIA
Directorate of OperationalSlide 17 of 30
Wing Anti-Ice Panel
Wing Anti-Ice (L & R) VALVE OPEN Lights:
Illuminated bright blue
Related wing anti-ice valve is in transit, or
related wing anti-ice valve position
disagrees with WING ANTI-ICE switch
position.
Illuminated dim blue
Related wing anti-ice valve is fully open and
therefore in agreement with WING ANTI-ICE
switch position (switch ON). Max
temperature 257 degree F / 125 degree C
Extinguished
Related wing anti-ice valve is closed
(switch OFF).
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
18/30
PT. METRO BATAVIA
Directorate of OperationalSlide 18 of 30
Wing Anti-Ice PanelWING ANTI-ICE Switch:
OFF
Both wing anti-ice valves are signaled
to close.
ON (in flight)
Both wing anti-ice valves are signaled
to open.
ON (on the ground)
Both wing anti-ice valves are signaled to
open if both thrust levers are below the
takeoff warning setting and temperature
inside both distribution ducts is below
thermal switch activation temperature. Both wing anti-ice valves are signaled to
close if either thrust lever is above the
takeoff warning setting or the thermal
switch is activated in either distribution
duct. Switch remains in ON position.
Switch automatically moves to OFF upon
air/ground system sensing air mode.
This concludes the review of the
Anti-Ice Panels. The remainder of the
presentation will discuss the anti-ice system
in greater detail. Click Next to continue.
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
19/30
PT. METRO BATAVIA
Directorate of OperationalSlide 19 of 30
Window Heat
L4L5
R4R5
L1L2L3
R1R2
R3
Temperature controllers maintain the forward (L1, R1) and side windows (L2, R2) at the correcttemperature to ensure maximum strength of the windows in the event of a bird strike. Power to the
forward and side windows is automatically removed if an overheat condition is detected. A thermal switch
attached to the aft overhead windows (L5, R5). This thermal switch opens and closes to maintain the
correct temperature of the overhead windows (see schematic next slide). Windows L3 and R3 are not
electrically heated.
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
20/30
PT. METRO BATAVIA
Directorate of OperationalSlide 20 of 30
Window Overheat TestUse the OVHT test to simulate an overheat condition of the window heat system. This test will ensure that
window overheat protection is operating normally.
Click here to see a demonstration
of the OVHT test
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Demo%20Presentations/Overheat%20Test.ppshttp://localhost/var/www/apps/conversion/tmp/Demo%20Presentations/Overheat%20Test.ppshttp://localhost/var/www/apps/conversion/tmp/Demo%20Presentations/Overheat%20Test.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
21/30
PT. METRO BATAVIA
Directorate of OperationalSlide 21 of 30
Window Heat Power TestUse PWR TEST whenever one or more green ON lights do not illuminate when the WINDOW HEAT
switches are positioned to ON. This will provide a confidence test to ensure that the window heat system
is operating normally.
Click here to see a demonstration
of the PWR TEST
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Demo%20Presentations/Power%20Test.ppshttp://localhost/var/www/apps/conversion/tmp/Demo%20Presentations/Power%20Test.ppshttp://localhost/var/www/apps/conversion/tmp/Demo%20Presentations/Power%20Test.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
22/30
PT. METRO BATAVIA
Directorate of OperationalSlide 22 of 30
Window Heat Schematic
L1 R1 R2R3
L2L3
L5L4 R4 R5
VENTED TO
FLIGHT DECK
VENTED TO
FLIGHT DECK
THERMAL
SWITCH
WIND-
SHIELD
AIR
WIND-
SHIELD
AIRFROM
AIR CONDITIONING
SYSTEM
TEMPERATURE
CONTROLLERTEMPERATURE
CONTROLLER
TEMP
CONTTEMP
CONT
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
23/30
PT. METRO BATAVIA
Directorate of OperationalSlide 23 of 30
Pitot-Static Probe and Sensor Heat
See picture of pitot-static
probes associated
with lights above
See picture of pitot-static
probes associated
with lights above
All pitot-static probes, the total temperature probe (TAT PROBE), and the angle of airflow sensors(L, R ALPHA VANE) are electrically heated to prevent the formation of ice. The two alternate static
ports are not heated.
See picture of alternate
static port
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
24/30
PT. METRO BATAVIA
Directorate of OperationalSlide 24 of 30
Engine Anti-IceThe engine anti-ice system utilizes bleed air from the 5th or 9th stage of the high pressure compressor
section. Only the engine cowl lip is anti-iced. The cowl anti-ice valve is electrically activated and
pneumatically operated. Positioning the respective ENG ANTI-ICE switch to ON allows engine bleed air to
flow through the cowl anti-ice valve to the cowl lip. While the cowl anti-ice valve is transitioning fromclosed to open, the COWL VALVE OPEN light illuminates bright blue. When the cowl anti-ice valve is fully
open, the COWL VALVE OPEN light illuminates dim blue.
Engine
bleed air
valve
To pneumatic
system
Cowlanti-ice
valve
9th
stage
5th
stage
High
stage valve
(9th)
No. 1 engine
See picture of
engine cowl lip
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Pictures%20for%20Presentations/Pictures.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
25/30
PT. METRO BATAVIA
Directorate of OperationalSlide 25 of 30
Engine Anti-IceIf the cowl anti-ice valve fails to move to the position selected by the ENG ANTI-ICE switch, the COWL
VALVE OPEN light remains illuminated bright blue. The amber COWL ANTI-CE illuminates to indicate
excessive pressure or temperature in the duct leading from the cowl anti-ice valve to the cowl lip. Engine
anti-ice is available to the cowl lip even when the engine bleed air valve is closed. For example, during aBLEED TRIP, the engine bleed air valve is automatically signaled to close. This closure will not affect
engine anti-ice availability for the respective engine.
Engine
bleed air
valve
To pneumatic
system
Cowlanti-ice
valve
9th
stage
5th
stage
High
stage valve
(9th)
No. 1 engine
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
26/30
PT. METRO BATAVIA
Directorate of OperationalSlide 26 of 30
Wing Anti-IceThe wing anti-ice system utilizes bleed air to protect the leading edge slats only. The wing anti-ice system
does not include the leading edge flaps (Krueger flaps). The wing anti-ice valves are AC motor operated.With a valve open, bleed air flows to the leading edge slats via a telescoping duct. The bleed air is then
exhausted overboard through small exhaust holes located on the lower surface of the slats. The wing
anti-ice system is effective with the slats in any position (fully retracted, extended, or fully extended).
Leading Edge
Flaps
(not heated)
Leading Edge
Flaps
(not heated)
Leading Edge
Slats
Leading Edge
Slats
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
27/30
PT. METRO BATAVIA
Directorate of OperationalSlide 27 of 30
Wing Anti-IceSystem operation on the ground: Positioning the WING ANTI-ICE switch to ON, signals the two (left &
right) wing anti-ice valves to open. The valves will open if the thrust levers on both engines are below thesetting for takeoff warning activation (approximately 32 thrust lever angle) and the temperature inside
both wing distribution ducts is less than the thermal switch activation temperature. While the valves are
transitioning from closed to open, the associated VALVE OPEN light will illuminate bright blue, and then
illuminate dim blue when the respective valve is fully open.
Leading Edge
Flaps
(not heated)
Leading Edge
Flaps
(not heated)
Leading Edge
Slats
Leading Edge
Slats
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
28/30
PT. METRO BATAVIA
Directorate of OperationalSlide 28 of 30
Wing Anti-IceSystem operation on the ground (continued): Both wing anti-ice valves are signaled to close if either
thrust lever is above the setting for takeoff warning activation or the temperature inside either wingdistribution duct senses over-temperature. In the event that the valves do close, the associated VALVE
OPEN light illuminates bright blue to indicate disagreement between switch and valve position (WING
ANTI-ICE switch remains in the ON position). The valves automatically re-open when both thrust levers
are repositioned below the setting for takeoff warning activation and both temperature sensors are cool.
VALVE OPEN lights now illuminate dim blue to indicate agreement between switch and valve position.
Leading Edge
Flaps
(not heated)
Leading Edge
Flaps
(not heated)
Leading Edge
Slats
Leading Edge
Slats
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
29/30
PT. METRO BATAVIA
Directorate of OperationalSlide 29 of 30
Wing Anti-IceSystem operation in flight: During takeoff, when the air/ground sensing system detects being airborne,
the WING ANTI-ICE switch automatically trips to the OFF position, which will result in the VALVE OPENlights changing from bright blue to extinguished. The extinguishing of the VALVE OPEN lights indicate
that the wing anti-ice valves are now fully closed, which is in agreement with the WING ANTI-ICE switch
(OFF). Once in flight, thrust lever setting logic and distribution duct temperature are inhibited and have
no affect on wing anti-ice valve operation, therefore both valves open when the WING ANTI-ICE switch is
positioned to ON.
Leading Edge
Flaps
(not heated)
Leading Edge
Flaps
(not heated)
Leading Edge
Slats
Leading Edge
Slats
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.ppshttp://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps -
7/30/2019 Anti-Ice R 01
30/30
Wing Anti-Ice Schematic
TELESCOPING DUCT
LEADING EDGE SLATS
PNEUMATIC
MANIFOLDWING ANTI-ICE
VALVE
WING DISTRIBUTION DUCT
RIGHT
MAIN
LANDING
GEAR
GROUND
AIR
HIGH
TEMP
LOW
TEMP
THRUST LEVERS ABOVE T/O WARNING THRUST LEVERS BELOW T/O WARNING
THERMAL
SWITCH
http://localhost/var/www/apps/conversion/tmp/Cactus%20Aviation%20Services%20LLC%20Contact%20Information.pps