Originally Posted by
Acie
737NG Pilot, never seen that delay on ground on A320. There is max 2 min cooldown cycle before APU shuts down (depends on bleed usage). Inlet flap closes immediately after APU rpm is less that 7%. Where did you find information about 15 minutes delay and could you please insert a quote from a document here? Could you also tell what do you mean under automatic shutdown? There is no automatic shutdowns on APU - it is either normal, protective or emergency.
I think you’ll find Airbus classes all abnormal APU shutdowns as Auto with an ECAM message APU AUTO (EMER) SHUT DOWN… Good question about the 15 minutes though.
Last edited by aeo; 5th Apr 2022 at 08:36.