DDG / MMEL

Question 1

Can the airplane dispatch if the left Variable Frequency Generator (VFG) is inoperative? (Answer depends on which DDG is referenced)

Answer 1

For FAA:
* Except for extended operations, one may be inoperative, provided:
* Left VFG is selected OFF and
* APU generator is operated throughout flight

For TC & EASA:
* Except for extended operations, may be inoperative, provided:
* Left VFG is selected OFF
* Right VFG is operative, and
* APU generator is operated continuously throughout flight

Question 2

If both loops of the APU Fire Detection System are inoperative, what limitation is placed on the APU for dispatch? (Answer depends on which DDG is referenced)

Answer 2

For FAA:
* Both detection loops may be inoperative provided the APU is considered inoperative

For TC & EASA:
* Except for extended operations, may be inoperative, provided the APU is considered inoperative and not used

Question 3

Where do you find the definition of rectification intervals for category A, B, C and D malfunctions?

Answer 3

INTRO of the DDG

Question 4

On taxi out, the info message “27 FLT CTRL – L AUTOPILOT SIDESTICK DETENT INOP” comes on. Does this affect dispatch?

Answer 4

For FAA, TC & EASA:
* May be displayed provided the autopilot is not used below 1,500ft AGL