Limitations Flashcards
Super Cooled Large Droplet Icing (SLD) Limitation:
Continued operation in areas where SLD conditions exist is prohibited.
SLD icing conditions indicated by ice accretion on flight compartment side windows.
- Wing anti ice must be ON
- Cowl anti ice must be ON
Leave icing conditions when side window icing occurs.
Maximum runway slopes approved for takeoff/landing:
2% up or down
Max Ramp Weight (MRW) 700/900?
700 = 75,250
900 = 85,000
Max Takeoff Weight (MTOW) 700/900?
700 = 75,000
900 = 84,500
Max Landing Weight (MLW) 700/900?
700 = 67,000
900 = 75,100
What approach Category is the CRJ 700? 900?
CRJ 700 = C
CRJ 900 = D
Under some CRJ 900 reduced landing reference speed operations Category C may be used.
Maximum Zero Fuel Weight (MZFW) 700/900?
700 = 62,300
900 = 70,750
Minimum Flight Weight (Min Flight Weight) 700/900?
700 = 42,000
900 = 45,000
Max tailwind component for takeoff and landing? 700/900?
10 kt for both
Maximum crosswind component for takeoff on a dry runway 700/900?
700 = 28
900 = 35
Maximum crosswind component for landing on a dry runway 700/900?
700 = 30
900 = 32
Maximum crosswind for takeoff and landing on wet runway?
27
Maximum crosswind for takeoff and landing on a runway with RCC (Runway Condition Code) of 3?
20
Maximum crosswind for takeoff and landing on a runway with RCC (Runway Condition Code) of 2 or 1?
15
Maximum crosswind for takeoff and landing on a dry runway with a crewmember on high minimum status?
PIC:____
SIC:____
PIC 25
SIC 15
When is a Flex Thrust Takeoff Prohibited? (4 things)
- If wing and/or cowl anti-icing bleeds in use
- Runway contaminated (all except wet rwy)
- Can be used on wet rwy with wet performance data in use
- Windshear/downdrafts forecasted
- Anti-skid system inop
Maximum cruise mach # in RVSM airspace for 700? 900?
700 = .83 mach
900 = .82 mach
Maximum airport pressure altitude for takeoff/landing
8,000 ft
Maximum operating altitude?
41,000 FT
Flight Deck Door
- Must be kept closed at all times ecept to allow entrance/exit in accordance with FOM/CFM
- If opened must use challenge/response and locking verification
- If required remember leaves, another crew member must be present to ensure not locked out of flight deck
CRJ 700/900 Flap limits
1* = 230 both
8* = 230 both
20* = 220 CRJ 900 / 230 CRJ 700
30* = 185 both
45* = 170 both
Landing Gear Speeds
Gear down = below 220
Down and locked = below 220
Gear up = below 200
Turbulence Penetration speed
280 or .75 Mach
Max windshield wiper speed
250 knots
Tire speed CRJ 700/900
700 = 182
900 = 195
Max ambient air temp for operation
ISA + 35* C
Minimum ambient air temp for operation
-40C/F
How far from suitable airport if cargo is carried?
60 minutes
Taxi lights must be switched off if airplane is stationary in excess of __ minutes.
10
Autopilot operations with a glide path that exceeds ___ degrees are prohibited.
3.5
Minimum autopilot operation altitudes
Normal = 600ft AGL
Non precision = 400 AGL
Precision = 80 AGL
Precision OEI = 110 AGL
RVSM Autopilot limitation
Same ADC and transponder source must coupled to autopilot
Setting DA/MDA when not even increment (example 236’ AGL)
Next 10’ increment (240’)
When must cowl anti ice be on on the ground?
OAT 10* C + visible moisture
Or
10* C + ramp/taxiway/runway contamination present
If cowl anti ice and continuous ignition are both required which must be turned on first?
Cowl anti ice
When must cowl anti ice be on in flight?
10*C + visible moisture unless SAT is -40 or below
Or
Icing conditions (listed above) / ICE annunciation
When must wing anti ice be on during ground operations?
5*C + visible moisture
Or
5*C + runway contamination
When can you turn on wing anti ice on the ground if type 2-4 fluids are applied?
Just prior to thrust increase for takeoff
When must wing anti ice be used in flight?
10*C + visible moisture unless SAT is -40 or below: Icing conditions and speed is less than 230 knots
Or
ICE annunciation
Do not hold in icing conditions with _____
Flaps and slats extended
Wing/cowl anti ice selection is prohibited with _____
The APU as a bleed source in manual mode
Airplane Cold Soak first flight of the day steps:
When below -30*C(-22F) for more than 8 hours:
- Motor engines for 60 seconds and verify fan rotation before starting.
- Thrust reversers actuated until cycle is 2 seconds or less
Continuous ignition must be used when:
- Takeoff landing on contaminated RWY
- Flight through moderate/heavy rain
- Flight through moderate/heavy turbulence
- Vicinity of thunderstorms
Reduced thrust takeoff must not be used when:
- Wing or cowl anti ice in use
- Contaminated rwy (except wet)
- Wind shear/downdrafts forecast
- Anti skid Inop
Max Airspeed for ADG
Vmo /vmmo
Min temp for starting APU on ground
-40C/F
APU starter attempts?
3 in one hour, two minute delay between starts
Cargo load limitations:
AFT:
CRJ-900 FWD
CRJ-700 FWD
AFT: 3,650
FWD 900: 1,700
FWD 700: 1,000
Turbulence Penetration speed:
280 Kts or .75 mach whichever is lower
Max speed if windshield wiper has failed:
250kts
Pressurization maximum relief different pressure:
8.7 PSI
Pressurization maximum negative differential pressure:
-.5 PSI
During taxi and takeoff the differential pressure must not exceed:
.1 PSI
During initial landing (at touchdown) the maximum differential pressure must not exceed:
1.0 PSI
CRJ-900 Maximum altitude for single pack operations with MORE than 82 cabin occupants including flight attendants:
25,000’
CRJ-900 Maximum altitude for single pack operations with LESS than 82 cabin occupants including flight attendants:
31,000’
CRJ-700 Maximum altitude for single pack operation:
31,000’
The airplane must be completely depressurized prior to to:
opening any of the doors.
To preclude possible crew and/or passenger ear damage, use of EMER DEPRESS switch above ______ feet is prohibited.
15,000’
Main and APU Generator maximum load limitation (in kVA)
40 for each main generator and 40 for APU
In flight the maximum permissible continuous load on each TRU is ____.
120 amps
Maximum permissible time for ground operations with DC power is ____
5 minutes for CRT display cooling reasons.
Maximum permissible fuel imbalance between the contents of the main left tank and main right tank are:
During takeoff: 300 lbs
All other phases: 800 lbs
Takeoff with a fuel load in excess of ____ lbs in the center tank is not permitted unless each wing tank is above ____ lbs.
500
4,400
Minimum fuel for a go around is ____ per wing assuming a maximum airplane climb attitude of __ degrees nose up.
600 lbs
10 degrees
Takeoff with engine fuel temperature indications below __ degrees is prohibited
5 degrees C or 41 F
Powered cross flow and gravity cross flow must be off ____
For takeoff
APU Bleed air extraction is not permitted above:
25,000’
Engine must remain ___ until oil pressure reaches normal operating range
Idle
During all starts, do not exceed ___ N1 for ___ minutes after start or until all operating indications are in the normal range, whichever is longer.
75% N1
2 minutes
Starter must not be used if indicated N2 RPM exceeds:
45%
Engine START GROUND limitations:
Start 1&2 |Max time on: _____ | Followed by: _____ cool down
Start 3 through 5|Max time on: _____ | Followed by: _____ cool down
|Max time on: 90 seconds | Followed by: 10 seconds cool down
|Max time on: 90 seconds | Followed by: 5 minutes cool down
Engine Start Or Motoring IN FLIGHT limitations:
Start 1&2 |Max time on: _____ | Followed by: _____ cool down
Start 2 through 5|Max time on: _____ | Followed by: _____ cool down
|Max time on: 120 seconds | Followed by: 10 seconds cool down
|Max time on: 60 seconds | Followed by: 5 minutes cool down
Engine MOTORING GROUND limitations:
Start 1&2 |Max time on: _____ | Followed by: _____ cool down
Start 2 through 5|Max time on: _____ | Followed by: _____ cool down
|Max time on: 90 seconds | Followed by: 5 minutes cool down
|Max time on: 30 seconds | Followed by: 5 minutes cool down
At initiation of thrust lever movement from SHUT OFF to IDLE (2 temps):
- ITT must be 120 degrees C or less for all ground starts
- ITT must be 90 degrees C or less for all air starts
During landing maximum reverse thrust is prohibited below ___ Kts and reverse idle should be achieved by __ kts.
75
60
Do not attempt a ___ after deployment of the thrust reversers.
Go around.
Flight with slats/flaps extended at altitudes above ____ is prohibited.
15,000’
Flight spoilers must not be extended in flights below an altitude of ____ AGL (company).
1,000’
To ensure adequate maneuvering, flight spoilers must not be extended in flight at airspeeds below ____ for the current weight/flap configuration.
VREF + 10
Both stall protection system switches must remain on for:
All phases of flight.