systems Flashcards
What’s on Hydraulic system A
Speed Brake
leading edge flaps
Fuel Flow proportioner
flight controls
What’s on Hydraulic system B
Leading Edge Flaps Flight Controls Gun system Air refuel JFS sys NWS Gear Brakes
Maximum JFS run time
4min
When would the Hyd/oil px light come on?
Either Hyd sys below 1000 or oil px below 10 +/-2 psi (30sec delay)
JFS max alt/speed
20,000ft / 400kts (0.78M)
Oil sys capacity
28 pints / 14 quarts
Engine alternator provides power to what
DEEC,
Main and AB igniters,
RPM indicator
igniters need what percent rpm
12
eng anti ice is disabled by DEEC when
alt >30k,
engine inlet air is >60F,
13th stage bleed air >750F
eng anti ice is disabled by DEEC when
alt >30k,
engine inlet air is >60F,
13th stage bleed air >750F
What does EPU provide power to?
Hyd Sys A
Emer AC and DC busses
What powers EPU?
13th Stage bleed air (70-75% rpm or greater) or
Hydrazine
When do you get ENG Fire light
eng fire loop in ENG bay >765F
When do you get Overheat warning
> 565F in ENG bay, EPU, ECS, or Wheel well
When do you get Overheat warning
> 565F in ENG bay, EPU, ECS, or Wheel well
hyd sys normal operation limits
2850 to 3250
how many internal fuel tanks are there
7
how much fuel should be in reservoir before takeoff
480lbs
Fwd fuel low light illuminates when
400 or less
aft fuel low light illuminates when
250 or less
when do you get trapped ext fuel message
fuel qty sel knob norm
No AR for 30-90 sec
Fuselage fuel 500lbs or less than fuselage capacity for 30 sec
total fuel at least 500 lbs greater than fuselage fuel for 30 sec
fuel flow <18,000 pph for 30 sec
max centerline fuel tank transfer rate
18,000pph
AR door is powered by what sys
Hyd B
do not exceed ____ pph fuel flow while balancing fuel
25,000
