AD 75-09-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | MD Helicopters, Inc. | 369H | Airworthiness Directives; Hughes Model 369H Series Helicopters |
Unsafe Condition
Failure to provide adequate protection for occupants of the aft facing seats due to lack of head and back support.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install two conspicuous placards worded 'DO NOT OCCUPY FOR TAKEOFF AND LANDING' on the aft face of the forward divider above each seat cushion. Placards may be removed upon installation of an approved modification providing required occupant head and back support.
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
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Hughes Model 369H Series Helicopters configured with 'four-on-the-floor' passenger interior per Drawing 369H90035.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Protection of Passengers
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-09-17.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-09-17 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Hughes Model 369H Series Helicopters Subject: Protection of Passengers Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/02/1975 Make: MD Helicopters, Inc. Model: 369H Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-09-17 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2191 AD NUMBER: 75-09-17 SUBJECT HEADING: Airworthiness Directives; Hughes Model 369H Series Helicopters ACTION: SUMMARY: DATES: Effective May 2, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-09-17 HUGHES: Amendment 39-2191. Applies to Model 369H Series Helicopters certificated in all categories, configured with "four-on-the-floor" passenger interior in accordance with Drawing 369H90035. Compliance required as indicated unless already accomplished. To provide adequate protection for the occupants of the aft facing seats, accomplish the following: (a) Within the next 25 hours' time in service after the effective date of this AD, install two conspicuous placards worded, "DO NOT OCCUPY FOR TAKEOFF AND LANDING". The placards must be located on the aft face of the forward divider, facing aft, centered on divider, above each seat cushion. (b) Placards may be removed upon installation of a modification approved by the Chief, Aircraft Engineering Division, FAA Western Region, which provides the required occupant head and back support. This amendment becomes effective May 2, 1975. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_75-09-17.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-09-17 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Hughes Model 369H Series Helicopters Subject: Protection of Passengers Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/02/1975 Make: MD Helicopters, Inc. Model: 369H Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-09-17 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2191 AD NUMBER: 75-09-17 SUBJECT HEADING: Airworthiness Directives; Hughes Model 369H Series Helicopters ACTION: SUMMARY: DATES: Effective May 2, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-09-17 HUGHES: Amendment 39-2191. Applies to Model 369H Series Helicopters certificated in all categories, configured with "four-on-the-floor" passenger interior in accordance with Drawing 369H90035. Compliance required as indicated unless already accomplished. To provide adequate protection for the occupants of the aft facing seats, accomplish the following: (a) Within the next 25 hours' time in service after the effective date of this AD, install two conspicuous placards worded, "DO NOT OCCUPY FOR TAKEOFF AND LANDING". The placards must be located on the aft face of the forward divider, facing aft, centered on divider, above each seat cushion. (b) Placards may be removed upon installation of a modification approved by the Chief, Aircraft Engineering Division, FAA Western Region, which provides the required occupant head and back support. This amendment becomes effective May 2, 1975. 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.