CRJ-900 Limitations Flashcards
Max ramp weight
82,750 lbs
Max takeoff weight
82,500 lbs
Max landing weight
73,500 lbs
Max zero fuel weight
70,000 lbs
Min flight weight
45,000 lbs
Max aft cargo bay capacity
4,375 lbs
Max fwd cargo bay capacity
850 lbs
Max center cargo bay capacity
850 lbs
Max pressure refuel capacity TOTAL
19,595 lbs
Max pressure refuel capacity MAINS
7,492 lbs
Max pressure refuel capacity CENTER
4,610 lbs
Max GRAVITY refuel capacity TOTAL
14,810
Max GRAVITY refuel capacity MAINS
7,405
Max GRAVITY refuel capacity CENETER
N/A
Wingspan
76’3”
Height of tail
24’1”
Turning radius
80’1”
Min obstacle clearance for 180deg turn
126’5”
Length
118’11”
Horizontal stabilizer width
28’ 4”
Main gear to main gear center width
13’6”
Max operating airspeed Vmo
335 KIAS
Max operating Mach number Mmo
.85 M
RVSM max cruise Mach number
.82 M
Max flap extension speed flaps 1 degree
230 KIAS
Max flap extension speed flaps 8 degreees
230 KIAS
Max flap extension speed flaps 20 degrees
220 KIAS
Max flap extension speed flaps 30 degrees
185 KIAS
Max flap extension speed flaps 45 degrees
170 KIAS
Max landing gear extension speed Vlo
220 KIAS
Max landing gear retraction speed Vlo
200 KIAS
Max landing gear extended speed Vle
220 KIAS
Max turbulence penetration speed
280 KIAS/0.75 M whichever is slower
Max windshield wiper operating speed
250 KIAS
Max operating altitude
41,000’
Max airport pressure altitude for takeoff and landing
8,000’
Max demonstrated x-wind for takeoff and landing
22 kts
Max demonstrated x-wind for takeoff and landing in a slippery runway
15 kts
Max tailwind for takeoff and landing
10 kts
Max tire speed
195 kts GS
Max flight altitude with flaps/slats extended
15,000’
Max runway slopes for takeoff and landing
+2% uphill
-2% downhill
Head sets must be worn
Below FL180
Take off, landing and operating limits (for pressure alt above 8,000 and CABIN ALT WARN HI displayed)
One pilot must use oxygen from TO until the message goes out. And landing until the airplane has vacated the runway after landing. The regulator should be set to the normal (N) position
Max temp for T/O & L/D
ISA +35deg C
Min temp for T/O
ISA -40deg C
Engine type
CF34-8C5
APR arms when thrust is within ________% of scheduled thrust setting
8
APR activates on takeoff if:
Thrust Levers are in TO/GA detent,
Either normal, flex, or go around power is programmed and engine fail (N1 rpm differs by 15%)
APR activates on go-around if:
OEO operations or engine failure (N1 rpm differ by 15%)
Set OEO fuel scheduling for MCT by:
Placing thrust Levers in MAX power detent
Engine thrust:
APR 14,750
Non APR 13,560
Could soaked definition
-30deg C (-22 deg F) or below for more than 8 hours
Cold soaked engines
Motored for 60 seconds
Fan rotation observed
Thrust reversers cycle 2 seconds or less
Engine warm up
IDLE normal operating range. DO NOT exceed 75% N1 for 2 minutes or until in normal operating range whichever is longer
Engine ground start
ITT below 120 deg C
Engine air start
ITT below 90 deg C
Do not accelerate engine until oil pressure has stabilized below ____________psi
116
Engine to engine N2 split not greater than ________% N2
2
If N2 is _______% or less with an OAT of ________deg C or less do not accelerate above idle
57%
-20 deg C
MIN N2 for start
20%
MIN N1 for start
Rotation
MIN oil temp for start
-40 deg C
MIN oil pressure MIN steady state
25 psi
When engines are operating and oil quantity is below ______% or engines are not operating and oil quantity is below ________% the L(R) OIL LEVEL LO status message is displayed
57%
80%
Oil level checked within _____ minutes or ______ hours after every engine shut down
3 minutes
2 hours
Engine EICAS limit display markings are specified by color what does each color denote?
RED_______
AMBER________
GREEN________
Maximum and minimum limitations
Caution range
Normal operating range
