How many fire bottles does the APU have and how is it activated on the ground and in flight?
When does the Eng and APU Fire pb illuminate in red? 4
When does the SQUIB pb turn white and DISH in amber occur?
SQUIB - in white when the crew press the Eng 1 or 2 Fire or APU Fire pb
DISH - comes in amber when the corresponding fire bottle has lost pressure
In a fire situation with the engine or APU, the Fire pb illuminates in red. When does it stop illuminating?
When the the fire stops, the light goes off
What happens when the ENG 1/2 Fire Test pb is pressed? 5
What happens when the APU fire Test pb is pushed? 4
If the Engine or APU test pb is pressed with battery only as it’s power source then we can expect: 3
What does pushing the guarded ENG 1/2 pb do? 5
What happens when the APU fire pb is pushed? 5