Comet 4 Checklists
Panel Manual
VC extras
Checklists
Flying Tips
Speeds
Checklists
Limits
Speed Limits
Airspeed IAS (VMO):
330 kts (342 kts Comet 4B)
Mach number (MMO):
0.8
Max IAS for lowering or raising landing gear:
254 kts
Max IAS with landing gear down:
VMO
Max IAS with flaps
20 deg:
30 deg:
40 deg:
60 deg
220 kts
200 kts
180 kts
160 kts
Max altitude for flap extension:
20,000 ft except in emergency
Max crosswind component
Takeoff:
Landing:
28 kts
28 kts
Max for emergency descent:
MMO/VMO
Turbulence speeds
Climb, cruise & descent:
260 kts to 30,000 ft, Mach 0.7 above this
Max IAS for screen wipers:
250 kts
Max speed for air brakes:
No limit.
Altitude Limits
Max operating altitude:
40
,000 ft (32,000 ft Comet 4B)
Max altitude for flap extension:
20,000 ft except in emergency
Weight Limits
Max takeoff
Comet 4:
Comet 4B:
Comet 4C:
68
,946 kg (152,000 lb)
71
,668 kg (158,000 lb)
73,482 kg (162,000 lb)
Max landing:
54
,431 kg (120,000 lb)
Empty
Comet 4:
Comet 4B:
Comet 4C:
34,212 kg (75,424 lb)
35,545 kg (78,363 lb)
35,995 kg (79,355 lb)
Max fuel
Comet 4:
Comet 4B:
Comet 4C:
32,477 kg (71,600 lb)
28
,576 kg (63,000 lb)
32,477 kg (71,600 lb)
Max payload
Comet 4:
Comet 4B:
Comet 4C:
9
,203 kg (20,290 lb)
10,948 kg (24,137 lb)
11,162 kg (24,610 lb)
Range Limits
Max payload
Comet 4:
Comet 4B:
Comet 4C:
2,800 nm
2,260 nm
2,450 nm
Range figures are in still air, using long range cruise techniques & no fuel reserves
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