CRJ 900 BOLD Limitations
CFM Ch 2
CFM Ch 2
Set of flashcards Details
| Flashcards | 60 |
|---|---|
| Language | English |
| Category | Technology |
| Level | Other |
| Created / Updated | 15.01.2024 / 04.02.2024 |
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Engine Warm-Up
- Maintain idle until _____
- Do not exceed 75% N1 until ______ min after start (or_______, whichever is longer)
- Maintain idle until oil pressure reached normal range
- Do not exceed 75% N1 until 2 min after start (or all indications are normal, whichever is longer)
Use of the Engine High Power Switch is ________
Use of the Engine High Power Switch is not permitted for normal operations.
Define a "cold-soaked" airplane and its 2 limitations.
A plane is "cold-soaked" if it is at -30deg C (-22 F) for more than 8 hours before the first flight of the day.
- Engines must be dry motored for 60 seconds and fan rotation must be verified before starting
- Thrust reversers must be exercised until the deploy and stow cycles are 2 seconds or less
Continuous Engine Ignition
Continuous ignition must be used during:
- ___
- ___
- ___
- ___
Continuous ignition must be used during:
- T/O and landing on contaminated runways
- Flight in moderate or heavier rain
- Flight in moderate or heavier turbulence
- Flight in the vicinity of thunderstorms
If the use of cowl anti-ice and continuous ignition are required at the same time, select _____ first.
Cowl anti-ice
Flex Takeoff must not be used:
- ___
- ___
- ___
- ___
Flex Takeoff must not be used:
- If wing and/or cowl anti-ice is on
- On contaminated runways (standing water, slush, snow, ice)
- When windshear warnings or downdrafts are forecast
- If anti-skid is inoperative
Max N2 speed for starter
45%
Engine Start Limits
Engine Start On Ground
- 1,2
- 3,4,5
Engine Motoring on Ground
- 1
- 2-5
Engine Starting or Motoring In Flight
- 1
- 2-5
Engine Start Limits
Engine Start On Ground
- 1,2 90s on, 10s cool down
- 3,4,5 90s on, 5min cool down
Engine Motoring on Ground
- 1 120s on, 10s cool down
- 2-5 60s on, 5min cool down
Engine Starting or Motoring In Flight
- 1 90s on, 5min cool down
- 2-5 30s on, 5min cool down
ITT limits for Engine Start
At initiation of thrust lever movement from SHUT OFF to IDLE
- ___
- ___
ITT limits for Engine Start
At initiation of thrust lever movement from SHUT OFF to IDLE
- 120deg C (ground starts)
- 90deg C (air starts)
Thrust Reverser Limitations
- ___
- ___
- ___
- ___
- ___
Thrust Reverser Limitations
- Ground use only
- Max reverse below 75kts prohibited; must be idle by 60kts
- T/O with icons or EICAS cautions or warnings is prohibited
- When testing on ground, only reverse idle!
- No reverse taxi (powerback)!
Flight Control Limitations
Flaps/Slats
- ___
- ___
Spoilers
- ___
- ___
Stall Protection System
- ___
Flight Control Limitations
Flaps/Slats
- No en route use of flaps
- Max altitude for flap/slat extension 15,000'
Spoilers
- No spoiler use below 1000' AGL
- No spoiler use below Vref +10
Stall Protection System
Both stall protection switches must remain on for all phases of flight
Turbulence penetration speed
280 kias/ M .75
Whichever is lower
The maximum permissible fuel imbalance between wing tanks during takeoff is... / In flight is...
300 lbs / 800 lbs
The min fuel temperature for takeoff is...
5 deg C
Takeoff with a fuel load of 500 lbs in the center tank is not permitted unless there is at least _______ lbs in each wing tank.
4,400
What are the 3 flight deck door limitations?
- The door must be kept closed and locked at all times during flight except for access and egress
- Anytime the door is closed in flight, challenge and response must be used to ensure it is closed and locked
- Anytime one crewmember leaves the flight deck, another crewmember must enter the flight deck to unlock the door upon the flight crewmember's return
CRJ 900 Approach Category? CRJ 700?
900 is category D. 700 is category C.
List the following weight limitations for the CRJ900
- MRW
- MTOW
- MLW
- MZFW
- Minimum Flight Weight
CRJ900 Weight Limitations
- MRW 85,000
- MTOW 84,500
- MLW 75,100
- MZFW 70,750
- Minimum Flight Weight 45,000
CRJ700 weight limitations
- MRW
- MTOW
- MLW
- MZFW
- Min Flight Weight
CRJ700 weight limitations
- MRW 75,250
- MTOW 75,000
- MLW 67,000
- MZFW 62,300
- Min Flight Weight 42,000
What are the CRJ900 cargo weight limits?
CRJ 900 cargo weight limits
FWD 1700 lbs
AFT 3650 lbs (company limit)
What is the CRJ900 max cruise Mach number during fight in RVSM airspace? CRJ 700?
CRJ900 max cruise Mach number during lfight in RVSM airspace:
M.082
CRJ 700:
M.083
What are the CRJ900 Flap extension speeds? What differs for the CRJ700?
- Flaps 1
- Flaps 8
- Flaps 20
- Flaps 30
- Flaps 45
CRJ900 Flap extension speeds:
- Flaps 1 230
- Flaps 8 230
- Flaps 20 220 (230 for CRJ700)
- Flaps 30 185
- Flaps 45 170
What is the CRJ900 Max Landing Gear Operating Speed?
- For extension:
- For retraction:
- For flying with the gear extended and locked:
CRJ900 Max Landing Gear Operating Speed:
- For extension: 220
- For retraction: 200
- For flying with the gear extended: 220
What is the max airspeed for windshield wiper operation?
For when the windshield wiper is stuck in a non-parked position?
250 KIAS
What is the CRJ900 tire speed limit? CRJ700?
CRJ900 tire speed limit: 195 knots ground speed
CRJ700: 182 knots ground speed
What is the maximum airspeed for ADG operation?
Maximum airspeed for ADG operation: Vmo / Mmo
What are the CRJ900 limiting wind components?
- Max Tailwind
- Max Xwind, dry rwy, T/O
- Max Xwind, dry rwy, landing
- Max Xwind, wet rwy, T/O and Lndg
- Max Xwind, RCAM 3
- Max Xwind, RCAM 2
- Max Xwind, high mins CPT
- Max Xwind, low time FO
CRJ900 limiting wind components:
- Max Tailwind 10 kts
- Max Xwind, dry rwy, T/O 35 kts
- Max Xwind, dry rwy, landing 32 kts
- Max Xwind, wet rwy, T/O and Lndg 27 kts
- Max Xwind, RCAM 3 20 kts
- Max Xwind, RCAM 2 15 kts
- Max Xwind, dry rwy, high mins CPT 25 kts
- Max Xwind, dry rwy, low time FO 15 kts
Max airport pressure altitude for T/O and Landing...
8,000 ft
Maximum operating altitude
41,000 ft
Ground ambient air temperature limitations...
- Upper
- Lower
- Upper ISA + 35 deg C
- Lower -40 deg (C and F)
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