AD/CESSNA 170/73 - KAP 140 Autopilot System
Cessna 170, 172, F172, FR172 and 175 SerCessna 170, 172, F172, FR172 and 175 Series Aeroplanes
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Cessna 170, 172, F172, FR172 and 175 Series Aeroplanes
AD/CESSNA 170/73 (continued)
For Requirement 2 - Before further flight after installing the update to the KC 140 autopilot computer system operating software.
For Requirement 3 - As of the effective date of this Directive.
This Airworthiness Directive becomes effective on 19 February 2004.
Background: The United States Federal Aviation Administration (FAA) has received reports of inadvertent and undetected engagement of the autopilot system in Cessna Models 172R, 172S, 182S, 182T, T182T, 206H, and T206H aeroplanes. These aeroplanes are equipped with a Honeywell KAP 140 autopilot computer system installed in the centre instrument control panel near the throttle.
This Directive requires the installation of an update to the operating software of the KAP 140 autopilot computer system, a change to the unit's part number and change of the software modification identification tag. These actions prevent unintentional engagement of the KAP 140 autopilot computer system, which could cause the pilot to take inappropriate actions.
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David Villiers
Delegate of the Civil Aviation Safety Authority 7 January 2004
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The above AD is notified in the Commonwealth of Australia Gazette on 28 January 2004.