AD 91-02-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Cessna Aircraft Company | 411 | Airworthiness Directives; CESSNA Models 411 and 411A Airplanes |
| aircraft | Cessna Aircraft Company | 411A | Airworthiness Directives; CESSNA Models 411 and 411A Airplanes |
Unsafe Condition
Incorrect takeoff performance information in the Airplane Flight Manual and Owner's Manual could lead to inadequate liftoff and climb speeds, increasing the risk of runway overrun or loss of control during takeoff.
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Required Actions
Modify the Airplane Flight Manual and Owner's Manual by changing liftoff airspeed to 108 MPH IAS for all weights, adjusting the 50-foot climb speed to 114 MPH IAS, increasing all takeoff distances by 500 feet, and marking specified charts with 'DO NOT USE'.
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Compliance Time
within the next 30 calendar days after the effective date of this AD
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Affected Aircraft
Cessna Models 411 and 411A airplanes (all serial numbers)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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