Floatation System Flashcards
(11 cards)
If the aircraft ditches and the flotation system has fully deployed how long should the aircraft stay afloat in sea state 3?
4 hours
How long will the flotation power supply units remain charged for after electrical supply has been removed?
5 minutes
When power is applied to the aircraft how long does it take for the flotation systems power supply units to fully charge?
15 seconds
What will cause any flotation system Power Supply Unit (PSU) to automatically operate and activate the flotation bottles?
Aircraft ditching in fresh or salt water
What gas is contained within the flotation bottles?
Helium. Can be 10% filled with air/nitrogen (once only and the bottle must be annotated)
What happens to the flotation system when the Master Armament Safety Switch (MASS) is selected to either “SAFE” or “STANDBY” mode?
DC power is isolated from the manual actuation circuits only (manual deployment is inoperative)
How other than by utilising the instrument panel override switch is a manual activation of the flotation system achieved when the switches are correctly made and power supplies are live?
By depressing either the pilot’s or co-pilot’s (if fitted) collective lever inflate button (on a stalk below the switch box)
What does the [FLOT DEGRADE] caution on the Warnings, Cautions and Advisories (WCA) part of the Integrated Display Unit (IDU) indicate to the aircrew?
One or more of the PSU is faulted (not fully charged)
What is the total time from aircraft touchdown onto water to flotation system providing full flotation in the automatic mode?
5 seconds
How long has water got to be deteched within a power supply unit for it to activate the system?
2.5 seconds continuously
What are the required switch positions to prepare the system for a manual operation of the flotation system?
Master Armament Safety Switch (MASS) to LIVE. Flotation Armed/Safe switch (on Panel KG) to ARMED. Press either the collective deploy button or lift the flap and press the instrument panel overide button.
