15.1.3 Anti Ice/Rain Protection System Flashcards
- Under what circumstances must Nacelle Anti Ice be selected ON on the ground?
(AOM Vol I, Ch SP)
• When the OAT is 10 degrees C or below and visible moisture is present.
• Where surface snow, ice standing water or slush are present.
- What are the engine run up procedures with Nacelle Anti Ice selected ON?
(AOM Vol I, Ch SP)
• 60% N1, for 30 seconds every 30 minutes, and
• For 30 seconds just prior to the start of the takeoff roll
- When is anti-fogging available to the windows?
(AOM Vol II, Ch 3)
• When AC electrical power is supplied to the aircraft
- How do you reset a windshield heat controller fault?
(AOM Vol II, Ch 3)
• When AC electrical power is supplied to the aircraft
- When are the TAT probes heated?
(AOM Vol II, Ch 3)
• Window heat switch off for 10 seconds, then on
- If heavy rain or hail are encountered in descent, what is required?
(AOM Vol I, Ch SP)
• Continuous Ignition Switch to on
• Autothrottles disconnect
- What is required if operation is conducted in moderate to severe icing conditions for prolonged periods with the N1 less than 70%?
(AOM Vol I, Ch SP)
• Increase thrust on one engine at a time to a minimum of 70% N1 for 10 to 30 seconds every 10 minutes.
- What does the careted EICAS message “>ICING NAC” mean?
(QRH, Ch 3)
• Ice detector detects ice and any nacelle anti ice system is off in flight.
- What does the careted EICAS message “>ANTI ICE” mean?
(QRH, Ch 3)
• Any nacelle or wing anti ice system is on and the TAT is greater than 12 degrees C, or the Ice Detector does not detect ice.
- On descent into Delhi with convective activity in all quadrants, what steps must be taken to improve engine flameout margins with TAT below 10 degrees C?
(AOM Vol I, Ch SP)
• Pack Hi Flow Switch to ON
• Nacelle Anti Ice Switches ON
• Below 22,000 feet, Wing Anti Ice Switch ON
