Page 15
Section - 2
LIMITATIONS
FAA Approved
Original Issue: Feb 28, 2006
Hawker 850XP Pro Line 21 Airplane Flight Manual
Thrust Reversers
• Deployment of either thrust reverser is restricted to ground operations only.
• The thrust reverse levers must not be selected until the airplane is on the ground.
• Engine starts with thrust reversers deployed are prohibited.
• Reverse thrust must not be used to taxi backwards.
• Thrust in excess of reverse idle must not be selected below speeds of 50 KIAS, except in
an emergency.
• When operating on unpaved surfaces, reverse idle thrust must not be exceeded except in
an emergency.
• If the thrust reverser system is known to be inoperative or unserviceable, it must be
disabled and locked in the forward thrust position.
Engine Ice Protection System
The ENG ANTICE switches may be selected ON at any engine speed. If engine anti-icing is
required during takeoff, it is recommended that they should be turned ON prior to setting take-
off power.
Engine inlet anti-icing should be used in flight continuously during expected icing conditions.
When icing conditions do not exist, the inlet anti-icing should not be used above 50° F (10° C)
ambient conditions for more than 10 seconds.
FUEL LIMITATIONS
The following fuels and additives are approved for use with this engine installation.
Fuel Specifications
Aviation kerosene to the current approved issue of the following specifications:
British
DEF STAN 91-87 (D.E.R.D. 2453)
DEF STAN 91-91 (D.E.R.D. 2494)
American
ASTM D1655/JET A
ASTM D1655/JET A-1
MIL-T-83133/JP8
Canadian
CAN/CGSB 3.23/JET A
CAN/CGSB 3.23/JET A-1
Russian
GOST 10227-86 TS-1
GOST 10227-86 T-1
GOST 10227-86 RT
Chinese
GB 6537-94/No. 3 JET FUEL
For Training Purposes Only