Limitations

 

Maximum  Weights

Max Ramp             29,300 lbs

Max Takeoff           29,000 lbs

Max Landing          28,500 lbs

Max Zero Fuel        26,500 lbs

Maximum Airspeeds 

Vmo         250kts (up to 16,000ft MSL)

Vmo         210kts  (@ FL250)

Vleo         200kts

Vle           200kts

Vlor          150kts

Vra           190kts (up to FL210)

Vra           Vmo minus 30 KIAS

Va            180kts

Vfe           175kts (7 or 15 degrees)

Vfe           165kts (20 degrees)

Vfe           140kts (35 degrees)

Vmcl         103 (Flaps 20 or 35, B+ model)

Vmcl         106 (Flaps 20 or 35, B model)


Operating Altitudes

Max operating altitude            25,000ft

Max T.O. & Landing altitude       8,000ft

Min T.O. & Landing altitude       -1,000ft   

 

Temperature Envelope for Take Off & Landing

Maximum        47°C (-1,000 - 1,500ft pressure altitude)

Maximum        33°C (@ 8,00ft pressure altitude)

Minimum        -55°C   


Operational Limits

Runway Slope

  • Takeoff -2% to +1.5% 
  • Landing -2% to +2%

Load Limits

  • Flaps UP +2,75g to  -1.0g
  • Flaps DOWN +2.0gto 0g

Tailwind Component

  • Max tailwind 10 knots 

 

Fuel Limitations

Total useable fuel         5,690 lb (@6.7lb per gal)

Max fuel imbalance        200 lb

Max refueling pressure    50 psi

Under normal takeoff and landing operations, the X FEED switch must be off and the CONN VALVE must be closed.


Windshield Wiper Operation

Low Mode      130 kts

High Mode      160 kts

 

Air Conditioning & Pressurization Limits

Maximum differential cabin pressure     7.5 psi

Auto Mode maximum differential          7.1 psi

Max negative differential pressure       -0.5 psi

Max differential pressure for landing      0.2 psi

Max Altitude for unpressurized flight     10,000ft

 

Electrical Limits

DC Generators

  • Maximum Load         600 amps (up to 5 minutes)
  • Nominal Load           400 amps

External Power

  • Max voltage             29.5 VDC
  • Max current             1600 amp for engine start 
  • Min current              1200 amp for engine start

Main Batteries

  • NO BAT start                 57°C
  • No Cross GEN start          61°C
  • Max temp for takeoff       64°C
  • BAT HOT                       71°C
  • Min temp for take off      -20°C
  • Min Temp for eng start    -20°C

 

CT7-9b Powerplant Limitations