AD 88-25-05
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | AST, Inc | Bell Helicopter Textron, Inc. | California Department of Forestry | International Helicopters, Inc. | Overseas Aircraft Support Inc | Richards Heavylift Helo, Inc. | Robinson Air Crane, Inc. | Rotorcraft Development Corporation | San Joaquin Helicopters | Smith Helicopters | Southern Helicopter, Inc. | Tamarack Helicopters, Inc. | US Helicopter, Inc. | West Coast Fabrications | UH-1F | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY; GARLICK HELICOPTERS; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; PILOT PERSONNEL INTERNATIONAL, INC.; SMITH HELICOPTERS; SOUTHERN AERO CORPORATION; OREGON HELICOPTERS; WEST COAST FABRICATIONS; and HERCULES Model 204B, 205A, 205A-1, UH-1B, UH-1E, UH-1F, UH-1L, and TH-1L Helicopters |
| aircraft | AST, Inc | Bell Helicopter Textron, Inc. | California Department of Forestry | International Helicopters, Inc. | Overseas Aircraft Support Inc | Richards Heavylift Helo, Inc. | Robinson Air Crane, Inc. | Rotorcraft Development Corporation | San Joaquin Helicopters | Smith Helicopters | Southern Helicopter, Inc. | Tamarack Helicopters, Inc. | US Helicopter, Inc. | West Coast Fabrications | 204B | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY; GARLICK HELICOPTERS; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; PILOT PERSONNEL INTERNATIONAL, INC.; SMITH HELICOPTERS; SOUTHERN AERO CORPORATION; OREGON HELICOPTERS; WEST COAST FABRICATIONS; and HERCULES Model 204B, 205A, 205A-1, UH-1B, UH-1E, UH-1F, UH-1L, and TH-1L Helicopters |
| aircraft | AST, Inc | Bell Helicopter Textron, Inc. | California Department of Forestry | International Helicopters, Inc. | Overseas Aircraft Support Inc | Richards Heavylift Helo, Inc. | Robinson Air Crane, Inc. | Rotorcraft Development Corporation | San Joaquin Helicopters | Smith Helicopters | Southern Helicopter, Inc. | Tamarack Helicopters, Inc. | US Helicopter, Inc. | West Coast Fabrications | 205A | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY; GARLICK HELICOPTERS; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; PILOT PERSONNEL INTERNATIONAL, INC.; SMITH HELICOPTERS; SOUTHERN AERO CORPORATION; OREGON HELICOPTERS; WEST COAST FABRICATIONS; and HERCULES Model 204B, 205A, 205A-1, UH-1B, UH-1E, UH-1F, UH-1L, and TH-1L Helicopters |
| aircraft | AST, Inc | Bell Helicopter Textron, Inc. | California Department of Forestry | International Helicopters, Inc. | Overseas Aircraft Support Inc | Richards Heavylift Helo, Inc. | Robinson Air Crane, Inc. | Rotorcraft Development Corporation | San Joaquin Helicopters | Smith Helicopters | Southern Helicopter, Inc. | Tamarack Helicopters, Inc. | US Helicopter, Inc. | West Coast Fabrications | 205A-1 | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY; GARLICK HELICOPTERS; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; PILOT PERSONNEL INTERNATIONAL, INC.; SMITH HELICOPTERS; SOUTHERN AERO CORPORATION; OREGON HELICOPTERS; WEST COAST FABRICATIONS; and HERCULES Model 204B, 205A, 205A-1, UH-1B, UH-1E, UH-1F, UH-1L, and TH-1L Helicopters |
| aircraft | AST, Inc | Bell Helicopter Textron, Inc. | California Department of Forestry | International Helicopters, Inc. | Overseas Aircraft Support Inc | Richards Heavylift Helo, Inc. | Robinson Air Crane, Inc. | Rotorcraft Development Corporation | San Joaquin Helicopters | Smith Helicopters | Southern Helicopter, Inc. | Tamarack Helicopters, Inc. | US Helicopter, Inc. | West Coast Fabrications | TH-1L | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY; GARLICK HELICOPTERS; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; PILOT PERSONNEL INTERNATIONAL, INC.; SMITH HELICOPTERS; SOUTHERN AERO CORPORATION; OREGON HELICOPTERS; WEST COAST FABRICATIONS; and HERCULES Model 204B, 205A, 205A-1, UH-1B, UH-1E, UH-1F, UH-1L, and TH-1L Helicopters |
| aircraft | AST, Inc | Bell Helicopter Textron, Inc. | California Department of Forestry | International Helicopters, Inc. | Overseas Aircraft Support Inc | Richards Heavylift Helo, Inc. | Robinson Air Crane, Inc. | Rotorcraft Development Corporation | San Joaquin Helicopters | Smith Helicopters | Southern Helicopter, Inc. | Tamarack Helicopters, Inc. | US Helicopter, Inc. | West Coast Fabrications | UH-1E | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY; GARLICK HELICOPTERS; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; PILOT PERSONNEL INTERNATIONAL, INC.; SMITH HELICOPTERS; SOUTHERN AERO CORPORATION; OREGON HELICOPTERS; WEST COAST FABRICATIONS; and HERCULES Model 204B, 205A, 205A-1, UH-1B, UH-1E, UH-1F, UH-1L, and TH-1L Helicopters |
| aircraft | AST, Inc | Bell Helicopter Textron, Inc. | California Department of Forestry | International Helicopters, Inc. | Overseas Aircraft Support Inc | Richards Heavylift Helo, Inc. | Robinson Air Crane, Inc. | Rotorcraft Development Corporation | San Joaquin Helicopters | Smith Helicopters | Southern Helicopter, Inc. | Tamarack Helicopters, Inc. | US Helicopter, Inc. | West Coast Fabrications | UH-1L | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY; GARLICK HELICOPTERS; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; PILOT PERSONNEL INTERNATIONAL, INC.; SMITH HELICOPTERS; SOUTHERN AERO CORPORATION; OREGON HELICOPTERS; WEST COAST FABRICATIONS; and HERCULES Model 204B, 205A, 205A-1, UH-1B, UH-1E, UH-1F, UH-1L, and TH-1L Helicopters |
| aircraft | AST, Inc | Bell Helicopter Textron, Inc. | California Department of Forestry | International Helicopters, Inc. | Overseas Aircraft Support Inc | Richards Heavylift Helo, Inc. | Robinson Air Crane, Inc. | Rotorcraft Development Corporation | San Joaquin Helicopters | Smith Helicopters | Southern Helicopter, Inc. | Tamarack Helicopters, Inc. | US Helicopter, Inc. | West Coast Fabrications | UH-1B | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY; GARLICK HELICOPTERS; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; PILOT PERSONNEL INTERNATIONAL, INC.; SMITH HELICOPTERS; SOUTHERN AERO CORPORATION; OREGON HELICOPTERS; WEST COAST FABRICATIONS; and HERCULES Model 204B, 205A, 205A-1, UH-1B, UH-1E, UH-1F, UH-1L, and TH-1L Helicopters |
Unsafe Condition
Failure of the tail rotor (T/R) grip assembly due to excessive time in service.
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Required Actions
Remove tail rotor grip assemblies with part numbers 204-011-728-1, -13, or -19 that have 250 or more hours' time in service and replace with serviceable parts. For assemblies with less than 250 hours' time in service on the effective date, establish a retirement life of 300 hours' time in service.
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Compliance Time
Within the next 50 hours' time in service after the effective date of this AD
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Affected Aircraft
Bell Helicopter Textron, Inc. (BHTI), California Department of Forestry, Garlick Helicopters, Hawkins and Powers Aviation, Inc., International Helicopters, Inc., Pilot Personnel International, Inc., Smith Helicopters, Southern Aero Corporation, Oregon Helicopters, West Coast Fabrications, and Hercules Model 204B, 205A, 205A-1, UH-1B, UH-1E, UH-1F, UH-1L, and TH-1L helicopters with tail rotor grip assembly part numbers 204-011-728-1, -13, or -19 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Tail Rotor Grip Assembly
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_88-25-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 88-25-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY;...Show more Subject: Tail Rotor Grip Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/13/1988 Make: AST, Inc | Bell Helicopter Textron, Inc. | California Department of Forestry | International Helicop...Show more Model: UH-1F | 204B | 205A | 205A-1 | TH-1L | UH-1E | UH-1L | UH-1B 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 88-25-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-6079 AD NUMBER: 88-25-05 SUBJECT HEADING: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY; GARLICK HELICOPTERS; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; PILOT PERSONNEL INTERNATIONAL, INC.; SMITH HELICOPTERS; SOUTHERN AERO CORPORATION; OREGON HELICOPTERS; WEST COAST FABRICATIONS; and HERCULES Model 204B, 205A, 205A-1, UH-1B, UH-1E, UH-1F, UH-1L, and TH-1L Helicopters ACTION: SUMMARY: DATES: Effective December 13, 1988. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 88-25-05 BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY; GARLICK HELICOPTERS; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; PILOT PERSONNEL INTERNATIONAL, INC.; SMITH HELICOPTERS; SOUTHERN AERO CORPORATION; OREGON HELICOPTERS; WEST COAST FABRICATIONS; and HERCULES: Amendment 39-6079. Applies to Model 204B, 205A, and 205A-1 helicopters certificated in any category and Model UH-1B, UH-1E, UH-1F, UH-1L, and TH-1L helicopters certificated in the restricted category that have tail rotor grip assembly P/N 204-011-728-1, -13, or -19 installed. Compliance is required as indicated, unless already accomplished. To prevent failure of the tail rotor (T/R) grip assembly, accomplish the following: (a) Within the next 50 hours' time in service after the effective date of this AD, remove the T/R grip assembly, P/N 204-011-728-1, -13, or -19 with 250 or more hours' time in service and replace with a serviceable part. (b) For those T/R grip assemblies, P/N 204-011-728-1, -13 or -19, with less than 250 hours' time in service on the effective date of this AD, a retirement life of 300 hours is established. (c) Any alternate method of compliance which provides an equivalent level of safety with this AD may be used when approved by the Manager, Helicopter Certification Branch, Federal Aviation Administration, Fort Worth, Texas 76193-0170. This amendment (39-6079, AD 88-25-05) becomes effective December 13, 1988. FOOTER:
Document Text
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AD Final Rules - DRS_88-25-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 88-25-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY;...Show more Subject: Tail Rotor Grip Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/13/1988 Make: AST, Inc | Bell Helicopter Textron, Inc. | California Department of Forestry | International Helicop...Show more Model: UH-1F | 204B | 205A | 205A-1 | TH-1L | UH-1E | UH-1L | UH-1B 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: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 88-25-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-6079 AD NUMBER: 88-25-05 SUBJECT HEADING: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY; GARLICK HELICOPTERS; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; PILOT PERSONNEL INTERNATIONAL, INC.; SMITH HELICOPTERS; SOUTHERN AERO CORPORATION; OREGON HELICOPTERS; WEST COAST FABRICATIONS; and HERCULES Model 204B, 205A, 205A-1, UH-1B, UH-1E, UH-1F, UH-1L, and TH-1L Helicopters ACTION: SUMMARY: DATES: Effective December 13, 1988. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 88-25-05 BELL HELICOPTER TEXTRON, INC. (BHTI); CALIFORNIA DEPARTMENT OF FORESTRY; GARLICK HELICOPTERS; HAWKINS AND POWERS AVIATION, INC.; INTERNATIONAL HELICOPTERS, INC.; PILOT PERSONNEL INTERNATIONAL, INC.; SMITH HELICOPTERS; SOUTHERN AERO CORPORATION; OREGON HELICOPTERS; WEST COAST FABRICATIONS; and HERCULES: Amendment 39-6079. Applies to Model 204B, 205A, and 205A-1 helicopters certificated in any category and Model UH-1B, UH-1E, UH-1F, UH-1L, and TH-1L helicopters certificated in the restricted category that have tail rotor grip assembly P/N 204-011-728-1, -13, or -19 installed. Compliance is required as indicated, unless already accomplished. To prevent failure of the tail rotor (T/R) grip assembly, accomplish the following: (a) Within the next 50 hours' time in service after the effective date of this AD, remove the T/R grip assembly, P/N 204-011-728-1, -13, or -19 with 250 or more hours' time in service and replace with a serviceable part. (b) For those T/R grip assemblies, P/N 204-011-728-1, -13 or -19, with less than 250 hours' time in service on the effective date of this AD, a retirement life of 300 hours is established. (c) Any alternate method of compliance which provides an equivalent level of safety with this AD may be used when approved by the Manager, Helicopter Certification Branch, Federal Aviation Administration, Fort Worth, Texas 76193-0170. This amendment (39-6079, AD 88-25-05) becomes effective December 13, 1988. FOOTER:
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