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CRJ 900 BOLD Limitations

CFM Ch 2

CFM Ch 2

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Cartes-fiches 60
Langue English
Catégorie Technique
Niveau Autres
Crée / Actualisé 15.01.2024 / 04.02.2024
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Wing and/or cowl anti-ice selection is ___________ with the APU as a bleed source in manual mode.

Wing and/or cowl anti-ice selection is prohibited with the APU as a bleed source in manual mode.

Super-Cooled Large Droplet Icing

  • ____
  • ____
  • ____

Super-Cooled Large Droplet Icing

  • Wing Anti-Icing On
  • Cowl Anti-Icing On
  • Leave Icing conditions when side window icing occurs

Cold Weather Operations

Takeoff is prohibited with ____________ adhering to ____________

Takeoff is prohibited with frost, ice, snow, or slush adhering to any critical surface (wings, winglets, horiz stab, vert stab, control surfaces, engine inlets)

Fuel Cross Flow

These types of cross-flow must be OFF for takeoff:

  • ___
  • ___

These types of cross-flow must be OFF for takeoff:

  • Powered
  • Gravity

  • Maximum altitude for APU Bleed Air extraction
  • Min temp for APU start on the ground
  • Max number of cranking attempts in one hour
  • Min time delay between cranking attempts

  • APU bleed air extraction is not permitted above 25,000 ft
  • -40 deg C
  • 3
  • 2 minute

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

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