AD 73-13-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2A | Airworthiness Directives; Hawker Siddeley Model DH-114 "Heron" Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2DA | Airworthiness Directives; Hawker Siddeley Model DH-114 "Heron" Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2X | Airworthiness Directives; Hawker Siddeley Model DH-114 "Heron" Airplanes |
Unsafe Condition
Possible inadvertent actuation of aileron and rudder trim in a direction other than that desired and possible interference by the aileron trim jack with the aileron when in its full down position.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Incorporate Hawker Siddeley Modifications Nos. 1006 and 1053, or FAA-approved equivalents.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to September 21, 1973
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Affected Aircraft
Hawker Siddeley de Havilland Model DH-114 Heron Series 2A, 2DA, 2X airplanes with Modification 496 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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