(3) Automatic Ground Spoilers:
Takeoff is permitted with automatic ground spoilers inoperative,
provided anti-skid is operative and 20° flaps are used for takeoff.
When the Standby Electrical System is in operation, the following
limitations also apply:
(4) Use of Speed Brakes:
Speed brakes may be used, however, operation should be slow
(approximately five [5] seconds for full range movement).
(5) Landing with Standby Electrical System Operating:
Landing is approved provided automatic ground spoilers and thrust
reversers are not used for landing. See Section 05-17-50, Landing
With Standby Electrical Power System Operating.
B. Other Operational Information:
(1) Speed Brake Operating Envelope:
Speed brake operation is permitted within the flight envelope up to
and including V
MO/MMO.
(2) Speed Brake Operating Altitude:
The use of speed brakes at altitudes below 2,000 feet AGL is not
recommended.
(3) Effects of Speed Brake Operation:
A mild nose-up trim change and some buffet may be expected when
speed brakes are fully extended. For passenger comfort, it is
recommended that speed brakes be extended and retracted slowly,
retrimming as required.
OPERATING MANUAL
PRODUCTION AIRCRAFT SYSTEMS 2A-27-00
Page 75
January 31/02
Revision 6
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