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Anti-ice, fire detection, airline communications

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4 Categories 24 Questions
How many anti-ice systems does the B-737 have? Can the B-737 be dispatched into known or forcast icing conditions?
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Category 1
Q.
How many anti-ice systems does the B-737 have?
A.
2 (Bleed Air and electrical)
Q.
Can the B-737 be dispatched into known or forcast icing conditions?
A.
Yes, but inly into light or moderate icing if dispatcher and pilot agree it is safe, but never severe icing
Q.
When do icing conditions exist in-flight according to Boeing?
A.
When the temp is 10c and below and there is visible moisture.
Q.
Whith engine anti-ice on for take off, is there a takeoff weight penalty with the B-737
A.
Yes, performance decreases with engine anti-ice on.
Q.
When do icing conditions exist on the ground according to boeing?
A.
When temp is 10c and below and there is visible moisture...Duh
Q.
Which engines provide hot bleed air to the wing anti-ice system in the B-737?
A.
Engines 1 and 2
Category 2
Q.
Name Everything that is electrically anti-i ed on the B-737
A.
Pitot tubes, Temp. PROBES, Alpha vane Anti-Ice System, Windows-Windshield-doors, Water and toilet drain Anti-Ice system
Q.
Why are the antennas anti-ived on the B-737?
A.
To prevent ice from building up and breaking off. This could fly back into the engines or damage the fuselage or any control surfaces.
Q.
Which part of the wing is anti-ived on the B-737?
A.
Only around the leading edge devices
Q.
Is wing anti-ice ever used for takeoff on the B-737?
A.
No, it automatically shuts off if take-off power is detected
Q.
What is the major function of windshield heat?
A.
BIRD STRIKE PROTECTION🦅
Q.
Is engine anti-ice ever turned on for takeoff on the B-737?
A.
Yes, when icing conditions exist for takeoff, it must be on.
Category 3
Q.
Does the B-737 have de-icing capability?
A.
NO
Q.
Which engines provide bleed air to the engine anti-ice system on the B-737
A.
Each engine provides bleed air to itself
Q.
How does windshield heat work?
A.
When the windshield is heated it becomes more flexible, so if a bird hits the glass it will not shatter
Q.
If anti-icing system is inoperative, can a flight be dispatched?
A.
Check MELS, essentially says yes but PIC and Dispatcher must agree that flight will not be dispatched into known or forcast icing conditions
Q.
When is windshield heat used?
A.
Anytime the aircraft is below 10,000 feet, or icing conditions exist
Q.
Name everything which is pneumatically (hot bleed air) anti-iced on the B-737
A.
Engine 1 and 2, and the wing Thermal Anti-icing system
Category 4
Q.
Which areas of the B-737 have fire detectors??
A.
Engines, lavatories, landing gear wheel-wells, APU, Cargo areas
Q.
IF A FIRE DEVELOPS IN THE WHEEL-well, How can it be extinguished???
A.
By lowering the landing gear and allowing the airflow to blow it out
Q.
Does the APU on the B-737 have its own fire extinguisher bottle?
A.
Yes
Q.
How many fire extinguisher bottles are there total for the 2 wngines on the B-737?
A.
2. both can be ised on one engine if necessary through a loop system
Q.
How many hand-held fire extinguishers are in the passenger cabin of the B-737
A.
6 Bottles total-3 halon and 3 water bottles
Q.
Do the Cargo areas of the B-737 have fire detectors or Extinguishers?
A.
Yes, they share one bottle that can be directed to either cargo area
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