Questions tagged [cockpit-alerts]

The lights, displays, sounds, shakers, etc. that attract the flight crew's attention to various situations.

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102 views

Why does enabling engine sync on the MD-80 series trigger the “Master Caution” light?

I fly in a consumer PC flight simulator. Among my virtual fleet is a fairly faithfully-reproduced MD-83. One fairly strange detail I noticed is that enabling engine sync (either on N1 or N2) in the ...
3
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1answer
130 views

What is the correct procedure for operating the engine fire extinguishers on an ATR72?

I am developing an application for airport fire crew and ground staff. Part of the application is to familiarize users with emergency procedures of various aircraft. I have a few questions about the ...
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1answer
161 views

Why does the APU Master Switch flash during a normal APU shutdown?

Hi all and Happy New Year!!! I have a question relating to APU shutdown procedures on Airbus A320. During normal APU shutdown sequences, I noticed that after around 1m20s, the FAULT legend on APU ...
22
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2answers
5k views

How do pilots know that the switch/knob they just switched on/off actually did what it's supposed to do?

With the plethora of switches/knobs/buttons etc present in airplane cockpits, how can pilots be really sure that a button they just pushed (either to enable/disable some electronic system or move some ...
3
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0answers
139 views

What flight conditions trigger the “altitude, altitude” callout on an A-10?

I saw this video that shows an A-10 mission in Afghanistan. At 4:31 and 6:08 the callout "Altitude, altitude" is audible. I would like to know which flight conditions are required to trigger the ...
3
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1answer
100 views

Why will windshear inop illuminate after landing in an MD-83?

Why will windshear inop illuminate on the annunciator panel after landing or before starting taxi in a McDonnell Douglas MD-83?
5
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2answers
360 views

Why does the low voltage warning light not illuminate when the alt switch is on, but the engine is off?

As part of the pre-flight inspection, one of the checks is to verify that the low voltage light is illuminated when switching just the battery on. This makes sense; there's a low voltage and the ...
28
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2answers
4k views

What is the purpose of the Dash 8’s “TOUCHED RUNWAY” warning light?

The DHC-8-400 (and possibly other DHC-8 variants) has (or, at least, had in late 2007, according to Appendix G of this AAR) a warning light labelled “TOUCHED RUNWAY”. The extract of the DHC-8-400’s ...
3
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2answers
382 views

Does the Boeing 737 NG have “5” radar altitude callout?

So, I was watching a video of a Boeing 737 NG land, and heard the "5" callout. Is that an airline option or something? EDIT : link to video
5
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1answer
290 views

What are the triggers of the MD-80's takeoff configuration warnings?

I'm helping develop sounds for a MD80 simulation and I've noticed the MD has up to 5 alarms that fire when you advance the throttle and the aircraft is not properly prepared for takeoff: "Beep beep ...
9
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1answer
2k views

What did the “gear warning horn” on the North American P-51 sound like?

I'm working on a sound project for a P51 simulation and I'm having real trouble trying to find a reference on how the P51 gear warning horn sounded like. What mechanisms were used in the '40s to make ...
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1answer
1k views

Why are there non-standard altitude callouts?

I just saw a YouTube video with an A340 landing. There were the regular altitude callouts (1000, 500, etc.) until the callout "110". I was quite puzzled by this. What are the conditions that the ...
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2answers
2k views

Why does Airbus suppress stall warnings in certain situations?

I was reading about Air France 447 and came across the line: The stall warnings stopped, as all airspeed indications were now considered invalid by the aircraft's computer due to the high angle of ...