AD 80-24-04

final rule

Airworthiness Directives; HUGHES HELICOPTERS Model 369 Series Helicopters

AD Number
80-24-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft MD Helicopters, Inc. 369 Airworthiness Directives; HUGHES HELICOPTERS Model 369 Series Helicopters
aircraft MD Helicopters, Inc. 369A Airworthiness Directives; HUGHES HELICOPTERS Model 369 Series Helicopters
aircraft MD Helicopters, Inc. 369D Airworthiness Directives; HUGHES HELICOPTERS Model 369 Series Helicopters
aircraft MD Helicopters, Inc. 369H Airworthiness Directives; HUGHES HELICOPTERS Model 369 Series Helicopters
aircraft MD Helicopters, Inc. 369HE Airworthiness Directives; HUGHES HELICOPTERS Model 369 Series Helicopters
aircraft MD Helicopters, Inc. 369HM Airworthiness Directives; HUGHES HELICOPTERS Model 369 Series Helicopters
aircraft MD Helicopters, Inc. 369HS Airworthiness Directives; HUGHES HELICOPTERS Model 369 Series Helicopters

Unsafe Condition

The possibility of the middle front seat occupant accidentally deactivating the Automatic Engine Reignition System and blocking the crew's view of the automatic reignition 'ARMED' and 'RE-IGN' advisory lights.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Install a placard near the Automatic Engine Reignition Arming switch visible to the pilot stating 'Middle front seat is not to be occupied during flight in falling and/or blowing snow' or equivalent. Special flight permits may be issued under FAR 21.197 and .199 to operate to a base for AD compliance. Alternative actions providing equivalent safety may be approved by the FAA.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within thirty (30) consecutive calendar days or prior to flight in falling and/or blowing snow, whichever comes first, 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 Helicopters Model 369 Series Helicopters certified in all categories, equipped with Automatic Engine Reignition System.

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Placard -Front Seat Occupancy

Applicability Source Text

Show captured applicability text from the source AD
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AD Number:
80-24-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; HUGHES HELICOPTERS Model 369 Series Helicopters
Subject:
Placard -Front Seat Occupancy
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/04/1980
Make:
MD Helicopters, Inc.
Model:
369 | 369A | 369D | 369H | 369HE | 369HM | 369HS
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: 80-24-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3979

AD NUMBER:   80-24-04

SUBJECT HEADING:   Airworthiness Directives; HUGHES HELICOPTERS Model 369 Series Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective December 4, 1980.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-24-04 HUGHES HELICOPTERS: Amendment 39-3979. Applies to Model 369 Series Helicopters, certified in all categories, equipped with Automatic Engine Reignition System.

Compliance is required as indicated unless already accomplished.

To prevent the possibility of the middle front seat occupant accidentally deactivating the Automatic Engine Reignition System and also from blocking the crew's view of the automatic reignition "ARMED" and "RE-IGN" advisory lights, accomplish the following:

(a) Within thirty (30) consecutive calendar days or prior to flight in falling and/or blowing snow, whichever comes first, after the effective date of this AD, install a placard in close proximity to the Automatic Engine Reignition Arming switch and in plain view of the pilot which states "Middle front seat is not to be occupied during flight in falling and/or blowing snow" or equivalent words.

(b) Special flight permits may be issued in accordance with FAR 21.197 and .199 to operate aircraft to a base for the accomplishment of modification required this AD.

(c) Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Engineering and Manufacturing Branch, FAA Western Region.

This amendment becomes effective December 4, 1980.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_80-24-04.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
80-24-04
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; HUGHES HELICOPTERS Model 369 Series Helicopters
Subject:
Placard -Front Seat Occupancy
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
12/04/1980
Make:
MD Helicopters, Inc.
Model:
369 | 369A | 369D | 369H | 369HE | 369HM | 369HS
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: 80-24-04
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3979

AD NUMBER:   80-24-04

SUBJECT HEADING:   Airworthiness Directives; HUGHES HELICOPTERS Model 369 Series Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective December 4, 1980.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-24-04 HUGHES HELICOPTERS: Amendment 39-3979. Applies to Model 369 Series Helicopters, certified in all categories, equipped with Automatic Engine Reignition System.

Compliance is required as indicated unless already accomplished.

To prevent the possibility of the middle front seat occupant accidentally deactivating the Automatic Engine Reignition System and also from blocking the crew's view of the automatic reignition "ARMED" and "RE-IGN" advisory lights, accomplish the following:

(a) Within thirty (30) consecutive calendar days or prior to flight in falling and/or blowing snow, whichever comes first, after the effective date of this AD, install a placard in close proximity to the Automatic Engine Reignition Arming switch and in plain view of the pilot which states "Middle front seat is not to be occupied during flight in falling and/or blowing snow" or equivalent words.

(b) Special flight permits may be issued in accordance with FAR 21.197 and .199 to operate aircraft to a base for the accomplishment of modification required this AD.

(c) Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Engineering and Manufacturing Branch, FAA Western Region.

This amendment becomes effective December 4, 1980.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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