AD 62-03-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sierra Hotel Aero, Inc. | Navion A (Army L-17B and L-17C) | Airworthiness Directives; Navion Models Navion, Navion A, Navion B, Navion D, Navion E, Navion F, and Navion G Aircraft |
| aircraft | Sierra Hotel Aero, Inc. | Navion B | Airworthiness Directives; Navion Models Navion, Navion A, Navion B, Navion D, Navion E, Navion F, and Navion G Aircraft |
| aircraft | Sierra Hotel Aero, Inc. | Navion D | Airworthiness Directives; Navion Models Navion, Navion A, Navion B, Navion D, Navion E, Navion F, and Navion G Aircraft |
| aircraft | Sierra Hotel Aero, Inc. | Navion E | Airworthiness Directives; Navion Models Navion, Navion A, Navion B, Navion D, Navion E, Navion F, and Navion G Aircraft |
| aircraft | Sierra Hotel Aero, Inc. | Navion F | Airworthiness Directives; Navion Models Navion, Navion A, Navion B, Navion D, Navion E, Navion F, and Navion G Aircraft |
| aircraft | Sierra Hotel Aero, Inc. | Navion G | Airworthiness Directives; Navion Models Navion, Navion A, Navion B, Navion D, Navion E, Navion F, and Navion G Aircraft |
| aircraft | Sierra Hotel Aero, Inc. | Navion (Army L-17A) | Airworthiness Directives; Navion Models Navion, Navion A, Navion B, Navion D, Navion E, Navion F, and Navion G Aircraft |
Unsafe Condition
The landing gear selector valve end fitting P/N 145-58145-3 (heat treated and non-heat treated) has a service history of failure during attempts to extend the gear.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the gear actuating system in accordance with Navion Service Letter No. 81, dated March 31, 1961. Replace any defective parts found prior to further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 25 hours' time in service after the effective date of this AD and at each periodic inspection thereafter
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Navion Models Navion, Navion A, Navion B, Navion D, Navion E, Navion F, and Navion G Aircraft
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Landing Gear Selector Valve Fitting
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_62-03-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 62-03-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Navion Models Navion, Navion A, Navion B, Navion D, Navion E, Navion F, an...Show more Subject: Landing Gear Selector Valve Fitting Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/06/1962 Make: Sierra Hotel Aero, Inc. Model: Navion A (Army L-17B and L-17C) | Navion B | Navion D | Navion E | Navion F | Navion G | Navion (Arm...Show more Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 62-03-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 62-03-03 SUBJECT HEADING: Airworthiness Directives; Navion Models Navion, Navion A, Navion B, Navion D, Navion E, Navion F, and Navion G Aircraft ACTION: SUMMARY: DATES: Effective March 6, 1962. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 62-03-03 NAVION: Amdt. 396 Part 507 Federal Register February 3, 1962. Applies to Navion, Navion A, B, D, E, F, and G Aircraft. Compliance required within the next 25 hours' time in service after the effective date of this AD and at each periodic inspection thereafter. The landing gear selector valve end fitting P/N 145-58145-3 (heat treated and non-heat treated) has a service history of failure during attempts to extend the gear. To preclude further difficulties: Inspect the gear actuating system in accordance with Navion Service Letter No. 81, dated March 31, 1961. Any defective parts found as a result of this inspection must be replaced prior to further flight. This supersedes AD 50-24-01. This directive effective March 6, 1962. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_62-03-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 62-03-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Navion Models Navion, Navion A, Navion B, Navion D, Navion E, Navion F, an...Show more Subject: Landing Gear Selector Valve Fitting Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/06/1962 Make: Sierra Hotel Aero, Inc. Model: Navion A (Army L-17B and L-17C) | Navion B | Navion D | Navion E | Navion F | Navion G | Navion (Arm...Show more Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 62-03-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 62-03-03 SUBJECT HEADING: Airworthiness Directives; Navion Models Navion, Navion A, Navion B, Navion D, Navion E, Navion F, and Navion G Aircraft ACTION: SUMMARY: DATES: Effective March 6, 1962. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 62-03-03 NAVION: Amdt. 396 Part 507 Federal Register February 3, 1962. Applies to Navion, Navion A, B, D, E, F, and G Aircraft. Compliance required within the next 25 hours' time in service after the effective date of this AD and at each periodic inspection thereafter. The landing gear selector valve end fitting P/N 145-58145-3 (heat treated and non-heat treated) has a service history of failure during attempts to extend the gear. To preclude further difficulties: Inspect the gear actuating system in accordance with Navion Service Letter No. 81, dated March 31, 1961. Any defective parts found as a result of this inspection must be replaced prior to further flight. This supersedes AD 50-24-01. This directive effective March 6, 1962. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.
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