Minimum Ambient temperature for starting APU
-40 degrees C
Max operating altitude
41,000 feet
Maximum permissible oil temp
163 Degrees C (15 Minutes Max)
What is Vfe - 1
230 Knots
Minimum fuel quantity for go-around…
600 lbs
Minimum Oil Temp for Starting
-40 degrees C
In-flight bulk fuel temp. Limit:
> -40 degrees C
Max Taxi/Ramp Weight
82,750 lbs
What is Vfe - 20
220 Knots
Maximum continuous oil temp
155 Degrees C
If APU door position is open or not known, what airspeed restriction is there?
Airspeed restricted to 220 Knots or less
What is Vb (Max turbulence penetration speed)
280 knots/0.75 Mach (whichever is slower)
Max. Operating Altitude for APU
41,000 ft
N2 Limitations
Max Split : 2%
N2 is 57% or less, with OAT of -20 degrees C or less, DO NOT ACCELERATE above idle
APU - Starter Motor Duty Cycle limitations
DO NOT attempt more than 3 starts/start attempts in one hour
- 2 minute delay must be observed between cranking attempts
Max Center Cargo
850 lbs
What is the max crosswind for takeoff and landing?
22 Knots
15 Knots on slippery runway
Starter Limits (CRJ 900)
Attempt 1 and 2 - 90 Seconds ON, 10 seconds OFF
Attempt 3-5 - 90 Seconds ON, 5 Minutes OFF
Max approved tailwind for takeoff and landing
10 Knots
Engine Start/Motoring (Flight) Limits (CRJ 900)
Attempt 1 - 120 Seconds MAX ON, 10 Seconds OFF
Attempt 2-5 - 60 Seconds MAX ON, 5 Minutes OFF
What is the Minimum Taxiway or Runway Surface Width for a 180 Degree Turn?
126’ 5”
Max Zero Fuel Weight
70,000 lbs
What is Vlo - RET (maximum speed to retract gear)
200 Knots
Max Takeoff Weight
82,500 lbs
What is Mmo
0.85 Mach
What is Vwiper ops Max (Max windshield operation speed)
250 Knots
Max Fwd Cargo
850 lbs
What is Vmo
335 knots
What is Vfe - 30
185 Knots
Maximum EGT for APU
806 degrees C
Maximum negative differential pressure (air conditioning/pressurization system)
-0.5 PSI
Max runway slopes for takeoff and landing are
+2% Uphill and -2% Downhill
Max speed when ADG deployed
Vmo/Mmo
Max altitude for flap extension
15,000 feet
Max altitude to start engine with APU (bleed air start)
21,000 feet
Fill in the blanks…
___ with a fuel load in excess of ___ in the ___ tank is not permitted unless each ___ ___ quantity is in excess of ___
Takeoff
500 lbs
Center
main tank
4,400 lbs
Bulk Fuel Takeoff limit:
-30 degrees or warmer
Max Landing Weight
73,500 lbs
Max permissible load on the APU generator inflight…
40 KVA
Max Pressure Refueling Fuel Capacities
Total - 19,594 lbs
Mains - 7,492 lbs
Center - 4,610 lbs
What is the distance from Main to Main
13’ 6”
Max fuel imbalance
800 lbs
What is the Length
118’ 11”
Max. Bleed Air Altitude using APU
25,000 ft
Max Aft Cargo
4,375 lbs
What is the Width of the Horizontal Stabilizer
28’ 4”
What is Vtire
195 Knots
What is Vlo - EXT (max landing gear speed for extension)
220 Knots
Engine Fuel temp limitation for takeoff:
5 degrees C or warmer
What is the Height of the Tail
24’ 1”
Max. APU Start Altitude
37,000 ft
What is Vle (Max landing gear extended speed)
220 knots
Max relief differential pressure (air conditioning/pressurization system)
8.7 PSI
Explain Cold Soaked Airplane
Aircraft left for more than 8 hours in -30 degrees C or below temperatures:
- Engines must be motored for 60 seconds and fan rotation verified before engine start
- Thrust Reversers must be actuated until deploy and stow cycles are less than 2 seconds
Max altitude for single pack operations?
25,000 feet
Dry Motoring Cycle Limits - Ground (CRJ 900)
Attempt 1 - 90 Seconds MAX ON, 5 Minutes OFF
Attempt 2-5 - 30 Seconds MAX ON, 5 Minutes OFF
What is Vfe - 45
170 Knots
What is Mmo during flight into RVSM airspace
0.82 Mach
What is Vfe - 8
230 Knots
Max time for ED 1 and ED 2 displays to be on without AC power?
5 minutes
What is the Wingspan
76’ 3”
What is the max pressure altitude for takeoff and landing?
10,000 feet
Maximum RPM for APU
106%
Max Fuel Imbalance for takeoff
300 lbs
Min Flight Weight
45,000 lbs
Limitation for thrust reverser
Must be idled or stowed at 60 Knots - CRJ 900
Max Gravity Refueling Fuel Capacities
Total - 14,810 lbs
Main - 7,405 lbs
Center - N/A