AD 59-05-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 1A | Airworthiness Directives;de Havilland 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 2A | Airworthiness Directives;de Havilland 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 5A | Airworthiness Directives;de Havilland 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 5BA | Airworthiness Directives;de Havilland 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 6A | Airworthiness Directives;de Havilland 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 6BA | Airworthiness Directives;de Havilland 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7A | Airworthiness Directives;de Havilland 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7AXC | Airworthiness Directives;de Havilland 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8A | Airworthiness Directives;de Havilland 104 "Dove" Series Aircraft |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8AXC | Airworthiness Directives;de Havilland 104 "Dove" Series Aircraft |
Unsafe Condition
Faulty readings from the oil dipstick used in oil tank P/N 4LT.475A/1 with Modification PP.173 could result in low oil content leading to oil starvation and engine seizure during prolonged flights.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove dipsticks from oil tanks with Modification PP.173, rework by filing a notch 4.15 inches from the base, obliterate existing one-quarter and one-half marks, and add a stamped arrow with '6 US gallons minimum accurate reading' marking. Rework must be done prior to fitment to aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
as soon as possible but not later than March 30, 1959
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Affected Aircraft
de Havilland Aircraft Co., Ltd.'s D.H. 104 Dove Series 1A, 2A, 5A, and other series with Modification PP.173 embodied in oil tanks.
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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