SOCATA
MODEL TB 20
SECTION 3
EMERGENCY PROCEDURES
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© 1988, 1991, 1992, 1994 to 1996, 1997, 2000 -
socata
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June 30, 1988
Revision 8
3.20
AIRSPEED INDICATING SYSTEM FAILURE
In case of erroneous indications in flight :
Pitot heating (if installed)
ON
Alternate static source (if installed)
PULL
For IAS and pressure altitude, see
altimeter and airspeed indicator
correction tables in ”Performance” Section
If erroneous indications persist, carry out a precautionary
approach maintaining an adequate airspeed margin
above stall warning activation speed.
Recommended parameters :
Propeller
FULL FORWARD
Manifold pressure
AS REQUIRED
(Approach : 17 in.Hg)
LANDING WITHOUT FLAPS
(Flaps locked, retracted)
”FLAPS” circuit breaker
OPEN
Flaps control
ACTUATED
If the procedure is not successfull, perform the same
operations as for a normal landing and maintain a 90 KIAS
approach speed.
Plan a landing distance increased by approximately 60 %.
