Engine Overheat and Fire Detection is powered by
Battery Bus
Engine Fire Extinguishing is provided by
Hot Battery Bus
How many detector loops does each engine contain
2
How many detector loops does the APU contain
1
Main wheel well fire detection is powered by
AC Transfer Bus 1
How many detector loops does the main wheel well contain
1
Cargo compartment smoke detection is powered by
DC bus 1 and DC bus 2
Cargo compartment fire suppression is powered by
Hot Battery Bus
How many detector loops does the FWD Cargo Compartment contain
2
How many detector loops does the AFT Cargo Compartment contain
2