North American Navion Airworthiness Directives

Q: What is the newest Airworthiness Directive for the North American Navion?

AD 2008-05-14, published 2008-03-12: Airworthiness Directives; Sierra Hotel Aero, Inc. Models Navion (L-17A), Navion A (L-17B), (L-17C), Navion B, Navion D, Navion E, Navion F, Navion G, and Navion H Airplanes.

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Also known as: Navion Rangemaster, Ryan Navion

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What Airworthiness Directives apply to the North American Navion

The FAA has published one Airworthiness Directive that names the North American Navion, published on 2008-03-12.

Newest

AD 2008-05-14 Airworthiness Directives; Sierra Hotel Aero, Inc. Models Navion (L-17A), Navion A (L-17B),... 2008-03-12

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The ones owners meet again

AD 2008-05-14 Airworthiness Directives; Sierra Hotel Aero, Inc. Models Navion (L-17A), Navion A (L-17B),... 2008-03-12 Repetitive inspection or action

We index directives by model, not by serial number or N-number; the record page and the official document say which serials apply.

How to use this page: check the newest directives at every annual, keep the repetitive items on your inspection calendar, and open the official Federal Register text before any work - our summaries are a reading aid, not a determination of compliance.

Airworthiness Directives

1 record

ADAD 2008-05-14Sierra Hotel Aero, Inc. Models Navion (L-17A), Navion A (L-17B), (L-17C), Navion B, Navion D, Navion E, Navion F, Navion G, and Navion H Airplanes2008-04-16Active

2008-05-14

FR doc E8-4267 · 73 FR 13087

AD 2008-05-14Published 2008-03-12Effective 2008-04-16

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Sierra Hotel Aero, Inc. Models Navion (L-17A), Navion A (L-17B), (L-17C), Navion B, Navion D, Navion E, Navion F, Navion G, and Navion H Airplanes

Requires you to do a one-time inspection of the entire fuel system and repetitive functional tests of certain fuel selector valves.

Full official abstract

Airworthiness Directives; Sierra Hotel Aero, Inc. Models Navion (L-17A), Navion A (L-17B), (L-17C), Navion B, Navion D, Navion E, Navion F, Navion G, and Navion H Airplanes

The FAA adopts a new airworthiness directive (AD) for all Sierra Hotel Aero, Inc. (formerly Navion Aircraft LLC) Models Navion (L-17A), Navion A (L-17B), (L-17C), Navion B, Navion D, Navion E, Navion F, Navion G, and Navion H airplanes. This AD requires you to do a one-time inspection of the entire fuel system and repetitive functional tests of certain fuel selector valves. This AD results from reports of airplane accidents associated with leaking or improperly operating fuel selector valves. We are issuing this AD to detect and correct fuel system leaks or improperly operating fuel selector valves, which could result in the disruption of fuel flow to the engine. This failure could lead to engine power loss.

Source: Federal Register document E8-4267, retrieved 2026-08-17 · checked against the live Federal Register record on 2026-09-30

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Service Bulletins

0 records

No Service Bulletins in our index yet for this airframe. We only list SBs we have individually sourced from the manufacturer — we never invent one.

This page indexes 1 AD and 0 SBs from primary sources. The FAA may have issued additional directives for this airframe that are not yet included.

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