AD 65-28-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Maule Aerospace Technology, Inc. | M-4-210 | Airworthiness Directives; Maule Model M-4-210 Airplanes |
Unsafe Condition
Loss of engine power due to fuel starvation
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the fuel system in accordance with Maule Service Letter No. 7, dated June 15, 1965, or later FAA-approved revision, or an equivalent approved by the Chief, Engineering and Manufacturing Branch, FAA Central Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 100 hours' time in service after the effective date of this AD unless already accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Maule Model M-4-210 Airplanes, Serial Number 1001 through 1035
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Fuel System Modifications
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_65-28-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 65-28-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Maule Model M-4-210 Airplanes Subject: Fuel System Modifications Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/13/1966 Make: Maule Aerospace Technology, Inc. Model: M-4-210 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 65-28-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-166 AD NUMBER: 65-28-04 SUBJECT HEADING: Airworthiness Directives; Maule Model M-4-210 Airplanes ACTION: SUMMARY: DATES: Effective January 13, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 65-28-04 MAULE: Amdt. 39-166 Part 39 Federal Register December 14, 1965. Applies to Model M-4-210 Airplanes, Serial Number 1001 through 1035. Compliance required within the next 100 hours' time in service after the effective date of this AD unless already accomplished. To prevent loss of engine power due to fuel starvation, modify the fuel system in accordance with Maule Service Letter No. 7, dated June 15, 1965, or later FAA-approved revision, or an equivalent approved by the Chief, Engineering and Manufacturing Branch, FAA Central Region. This directive effective January 13, 1966. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_65-28-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 65-28-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Maule Model M-4-210 Airplanes Subject: Fuel System Modifications Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 01/13/1966 Make: Maule Aerospace Technology, Inc. Model: M-4-210 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: 65-28-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-166 AD NUMBER: 65-28-04 SUBJECT HEADING: Airworthiness Directives; Maule Model M-4-210 Airplanes ACTION: SUMMARY: DATES: Effective January 13, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 65-28-04 MAULE: Amdt. 39-166 Part 39 Federal Register December 14, 1965. Applies to Model M-4-210 Airplanes, Serial Number 1001 through 1035. Compliance required within the next 100 hours' time in service after the effective date of this AD unless already accomplished. To prevent loss of engine power due to fuel starvation, modify the fuel system in accordance with Maule Service Letter No. 7, dated June 15, 1965, or later FAA-approved revision, or an equivalent approved by the Chief, Engineering and Manufacturing Branch, FAA Central Region. This directive effective January 13, 1966. 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.
Related Airworthiness Directives
98-15-18 R1
final ruleAirworthiness Directives; Maule Aerospace Technology, Inc. Airplanes
Unsafe Condition: Internal corrosion of wing lift struts, part numbers 2079E and/or 2080E, could result in reduced structural integrity.
2008-24-02
final ruleAirworthiness Directives; Maule Aerospace Technology, Inc. M-4, M-5, M-6, and M-7 Series and Model M-8-235 Airplanes
Unsafe Condition: Reversed elevator control rigging could result in elevator movement in the opposite direction from control input, leading to loss of control.
2000-09-06
final ruleAirworthiness Directives; Maule Aerospace Technology, Inc. M-4, M-5, M-6, M-7, MX-7, and MXT-7 Series Airplanes and Models MT-7-235 and M-8-235 Airplanes
Unsafe Condition: Improper crimping of the Nicopress™ sleeve terminal ends could cause a control cable to slip from the sleeve, potentially leading to loss of rudder, elevator, aileron, or flap control.
96-10-05
final ruleAirworthiness Directives; Maule Aerospace Technologies, Inc. Models M-4-210 and M-4-210C Airplanes
Unsafe Condition: The close proximity of the flammable fuel to the exhaust system presents an unsafe condition and violates current regulations.