SYSTEMS Flashcards
TRIPLE GEN FAILURE
Bus 2 and 3 shed
Bus 1 and 4 powered
APU GEN will power bus 2 and 3 if started
QUADRUPLE GEN FAILURE
If APU running, powers bus 1 and 4
RAT will deploy in 14 seconds inflight if no GEN on. Powers only AC ESS Bus. (Provides 9 Kva)
APU Operation Envelope
START up to 37,000’
OPERATE up to 45,000’
BLEED AIR up to 30,000
Refueling sequence :Tanks
WAC- Wings Aft Center
Max fuel imbalance
600 on ground
1100 in air
When does AFT TANK fuel XNSFR?
When wing fuel down to 5500
MIN FUEL TEMP AT ENGINE
5°C
Altitude to use CENTER AND AFT FUEL
Must be flight planned Above 30,000
(If below this fuel is considered unusable due to A/C pump capabilities)
ENG OIL SERVICING
Service if 10.7 or less, 5-30 min after engine shutdown
*AOM- at end of day replenish engine oil until pump stops
When do ground spoilers deploy
One WOW
RADALT <7
Wheel speed above 16kts
Multifunction spoilers deploy with 2nd WOW
Standard fuel burn rates
1st hour 5000
2nd hour 4000
3rd hour 3000
WHEN DOES AFT FUEL XSNFR
When wings are 5500 lbs
GND LIFT DUMP ARM take off
TL IN TAKE OFF PWR
And Airspeed >45 KTS
Ground Spoilers Stow when
Aircraft on GND FOR 40 seconds
SPD LESS THAN 45 kts for 30 seconds
Nose wheel steering range
Tiller +- 75°
Pedals 7°
APU SHUTDOWN LOGIC
Unloads, runs for a minute then shutdowns
**WAIT TIL ITS BELOW 70% before shutting of BATT or cancels cooldown
APU OIL SERVICE-when
Ok to service after min of 15 minutes.
HYD ACMP (B pumps) operation
When commanded on in AUTO will run for 5 min. If pressure still low, will continue to cycle
EDM MODE
AUTO MODE:
Must be above 25,000’ and
Cabin above 14,500
EDM WILL:
90° left turn, Vmo-10 descent
ALTS CAP 15,000’ , SPD BUG 250
squawks 7700
DC AUX PUMPS on WHEN
On when:
•Flaps behind 0°
•gear down
•Low fuel pressure
•Wing to wing xsnfr-(inhibited when flaps out)
5 Rules of Bleed Air management
-Left engine and APU can not bleed at same time
-single engine single pack
-source priorities ENG>APU>RAM AIR
-ON selection overrides AUTO
-when PRV valve is commanded closed HPV closes as well
MAX FUEL LOAD
6000………..45,100
5000….……39,250
Turn Radius
6000………68’
5000………66’
Stick Shaker Activation
• Autopilot Disengages
• ENG IGN activates
•STALL displayed on PFD with Aural Warning
• Control Disconnect (Pitch Disconnect) Locks
QFE Operations
• FMS 1 is for DU 1 & 2
• FMS 2 is for DU 3 & 4
• De-select GNSS Sensors for each FMs
• SVS & EPGWS must also be de-selected
Stall Advance
• Anytime the wing cannot be in its “normal positions (Slat/Flap Failure)
• Increases Vate Setting
Normal Differrential Pressure
10.33
Max 10.73
CABIN ALT WARN
Caution 8200’
Warning 9000’
Landing above 7230’
Resets caution to Landing field +1000, warn +1800
SVS FIELD OF VIEW
+- 22.5 half PFD
+- 45 full PFD
Minimum runway length
4500’ x 75’
OPS review if less 5800’ contaminated
Fuel level LOW
Annunciation @ 600lbs wing
ROTOR BOW START
Will know by lack of fuel flow and ignition
Will light off when ITT <150° ITT
