Originally Posted by
Cleavage
Does anyone recall (or have access to) what the required drill was for both a F PUMP FWD and a F PUMP AFT prior to Rev 12 (Jan 2014) of the Airbus Emergency Check List?
There's no mention of that drill in the AAIB report Appendix A, but it lists the drills separately. Does anyone know if it existed prior to the accident?
Actioning the drills separately could leave both pumps selected off if the main tank contents are 'low'.
if 2000 is early enough
FLIGHT MANUAL EC 135 T1 (CPDS)
Emergency and Malfunction Procedures
3 - 20
CAUTION INDICATIONS
F PUMP AFT
(MISC)
Conditions/Indications
Failure of aft fuel transfer pump, or dry run.
Procedure
1. Fuel level in the main tank – Check
If main tank fuel quantity is sufficient to keep both fuel pumps wet:
2. FUEL PUMP XFER-A sw – Check ON
3. XFER-A PUMP circuit breaker – Check in
If F PUMP AFT indication remains on:
4. FUEL PUMP XFER-A sw – OFF
If main tank fuel quantity is low:
2. FUEL PUMP XFER-A sw OFF
NOTE EEach fuel transfer pump is capable of feeding more fuel than both engines will
consume.
EIn hover flight conditions the unusable fuel can be up to 71 kg. The quantity of
unusable fuel can be reduced to 7.5 kg when flying with 80 KIAS or more.
FLIGHT MANUAL EC 135 T1 (CPDS)
Emergency and Malfunction Procedures
3 - 21
CAUTION INDICATIONS
F PUMP FWD
(MISC)
Conditions/Indications
Failure of forward fuel transfer pump, or dry run.
Procedure
1. Fuel level in the main tank – Check
If main tank fuel quantity is sufficient to keep both fuel pumps wet:
2. FUEL PUMP XFER-F sw – Check ON
3. XFER-F PUMP circuit breaker – Check in
If F PUMP FWD indication remains on:
4. FUEL PUMP XFER-F sw – OFF
If main tank fuel quantity is low:
2. FUEL PUMP XFER-F sw OFF
NOTE EEach fuel transfer pump is capable of feeding more fuel than both engines will
consume.
EIn forward flight conditions the unusable fuel can be up to 59 kg. The quantity
of unusable fuel can be reduced to 3.6 kg when flying with 80 KIAS or less.