AD 92-01-05
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | 206A | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1 and 206L-3 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206B | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1 and 206L-3 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206L | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1 and 206L-3 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206L-1 | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1 and 206L-3 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206L-3 | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1 and 206L-3 Helicopters |
Unsafe Condition
Failure and separation of the main rotor blades, leading to subsequent loss of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect main rotor blades for specific serial numbers listed in the AD. Remove and replace any affected blades with serviceable parts prior to further flight. Report affected helicopter and part information to the FAA within 10 days of inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Required before further flight, unless already accomplished.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bell Helicopter Textron Inc. Models 206A, 206B, 206L, 206L-1, and 206L-3 helicopters with main rotor blade part numbers 206-015-001-001, 206-015-001-103, 206-015-001-105, or 206-010-200-033 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Main Rotor Blades
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_92-01-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 92-01-05 Document Type: AD Final Rules Docket Number: 89-ASW-54 Subject Heading: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1 and 20...Show more Subject: Main Rotor Blades Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/05/1992 Make: Bell Helicopter Textron Canada Limited Model: 206A | 206B | 206L | 206L-1 | 206L-3 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: 92-01-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 89-ASW-54 AMENDMENT: 39-8128 AD NUMBER: 92-01-05 SUBJECT HEADING: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1 and 206L-3 Helicopters ACTION: SUMMARY: DATES: Effective February 5, 1992. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 92-01-05 BELL HELICOPTER TEXTRON, INC. (BHTI): Amendment 39-8128. Docket Number 89-ASW-54. Applicability: All Bell Helicopter Textron, Inc. Model 206A, 206B, 206L, 206L-1 and 206L-3 helicopters, certificated in any category, with main rotor blade part numbers (P/N) 206-015-001-001, 206-015-001-103, 206-015-001-105, or 206-010-200-033 installed. Compliance: Required before further flight, unless already accomplished. To prevent failure and separation of the main rotor blades, and subsequent loss of the helicopter, accomplish the following: (a) Visually inspect the Model 206A and 206B main rotor blades and determine if one of the following serial number (S/N) blades is installed: TAC-0089, TAC-0542, TAC-0607, TAC-0614, TAC-0624, TAC-1643, TAC-1749, TAC-1776, TAC-1831, TAC-1911, TAC-1922, TAC-2399, TAC-2768, TAC-5742, TKK-9794, TKK-9883, or TKK-9933. If any one of these main rotor blades is installed, remove and replace with a serviceable part prior to further flight. (b) Visually inspect the Model 206L, 206L-1, and 206L-3 main rotor blades and determine if one of the following S/N blades is installed: T-92, T-245, T-417, TLY-0075, TLY-0095, TLY-0764, TLY-0770, TLY-0973, TLY-1438, TLY-1619, TLY-1653, TLY-1697, TLY-1766, TLY-1801, TLY-1858, TLY-1953, TLY-1984, TLY-2031, TLY-2039, TLY-2064, TLY-2081, TLY-2148, TLY-2335, TLY-2337, TLY-2549, TLY-2603, TLY-2604, TLY-2625, TLY-2633, TLY-2648, TLY-2745, TLY-2786, TLY-2951, or TLY-2954. If any one of these main rotor blades is installed, remove and replace with a serviceable part prior to further flight. NOTE: The serial number may be found on the Bell Helicopter data plate located on top of the blade at the root end and is also marked on the root end of the lower grip plate in the l.5 inch radius. (c) If the serial number of the main rotor blade matches one listed in paragraph (a) or (b) of this AD, report the registration number and serial number of the affected helicopter and provide a copy of the parts tag with which the part was delivered, if available. Send the report to the Manager, Rotorcraft Certification Office, Southwest Region, Federal Aviation Administration, Fort Worth, Texas 76193-0170, telephone (817) 624-5170, within 10 days of the inspection. (Reporting approved by the Office of Management and Budget under OMB No. 2120-0056.) (d) An alternative method of compliance which provides an equivalent level of safety, may be used if approved by the Manager, Rotorcraft Certification Office, Southwest Region, Federal Aviation Administration, Fort Worth, Texas 76193-0170, telephone (817) 624-5170. (e) This amendment (39-8128, AD 92-01-05) becomes effective on February 5, 1992, as to all persons except those persons to whom it was made immediately effective by Priority Letter AD's 89-22-01, and 89-22-01 R1 issued October 18, 1989, and November 21, 1989, respectively, which contained the requirements of this amendment. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_92-01-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 92-01-05 Document Type: AD Final Rules Docket Number: 89-ASW-54 Subject Heading: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1 and 20...Show more Subject: Main Rotor Blades Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/05/1992 Make: Bell Helicopter Textron Canada Limited Model: 206A | 206B | 206L | 206L-1 | 206L-3 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: 92-01-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 89-ASW-54 AMENDMENT: 39-8128 AD NUMBER: 92-01-05 SUBJECT HEADING: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1 and 206L-3 Helicopters ACTION: SUMMARY: DATES: Effective February 5, 1992. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 92-01-05 BELL HELICOPTER TEXTRON, INC. (BHTI): Amendment 39-8128. Docket Number 89-ASW-54. Applicability: All Bell Helicopter Textron, Inc. Model 206A, 206B, 206L, 206L-1 and 206L-3 helicopters, certificated in any category, with main rotor blade part numbers (P/N) 206-015-001-001, 206-015-001-103, 206-015-001-105, or 206-010-200-033 installed. Compliance: Required before further flight, unless already accomplished. To prevent failure and separation of the main rotor blades, and subsequent loss of the helicopter, accomplish the following: (a) Visually inspect the Model 206A and 206B main rotor blades and determine if one of the following serial number (S/N) blades is installed: TAC-0089, TAC-0542, TAC-0607, TAC-0614, TAC-0624, TAC-1643, TAC-1749, TAC-1776, TAC-1831, TAC-1911, TAC-1922, TAC-2399, TAC-2768, TAC-5742, TKK-9794, TKK-9883, or TKK-9933. If any one of these main rotor blades is installed, remove and replace with a serviceable part prior to further flight. (b) Visually inspect the Model 206L, 206L-1, and 206L-3 main rotor blades and determine if one of the following S/N blades is installed: T-92, T-245, T-417, TLY-0075, TLY-0095, TLY-0764, TLY-0770, TLY-0973, TLY-1438, TLY-1619, TLY-1653, TLY-1697, TLY-1766, TLY-1801, TLY-1858, TLY-1953, TLY-1984, TLY-2031, TLY-2039, TLY-2064, TLY-2081, TLY-2148, TLY-2335, TLY-2337, TLY-2549, TLY-2603, TLY-2604, TLY-2625, TLY-2633, TLY-2648, TLY-2745, TLY-2786, TLY-2951, or TLY-2954. If any one of these main rotor blades is installed, remove and replace with a serviceable part prior to further flight. NOTE: The serial number may be found on the Bell Helicopter data plate located on top of the blade at the root end and is also marked on the root end of the lower grip plate in the l.5 inch radius. (c) If the serial number of the main rotor blade matches one listed in paragraph (a) or (b) of this AD, report the registration number and serial number of the affected helicopter and provide a copy of the parts tag with which the part was delivered, if available. Send the report to the Manager, Rotorcraft Certification Office, Southwest Region, Federal Aviation Administration, Fort Worth, Texas 76193-0170, telephone (817) 624-5170, within 10 days of the inspection. (Reporting approved by the Office of Management and Budget under OMB No. 2120-0056.) (d) An alternative method of compliance which provides an equivalent level of safety, may be used if approved by the Manager, Rotorcraft Certification Office, Southwest Region, Federal Aviation Administration, Fort Worth, Texas 76193-0170, telephone (817) 624-5170. (e) This amendment (39-8128, AD 92-01-05) becomes effective on February 5, 1992, as to all persons except those persons to whom it was made immediately effective by Priority Letter AD's 89-22-01, and 89-22-01 R1 issued October 18, 1989, and November 21, 1989, respectively, which contained the requirements of this amendment. 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
2019-08-10
final ruleAirworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters
Unsafe Condition: A blocked oil line restrictor in the freewheel lubrication system could cause failure of the freewheel assembly, failure of the main rotor mast, and subsequent loss of control of the helicopter.
2018-25-17
final ruleAirworthiness Directives; Air Comm Corporation Air Conditioning Systems
Unsafe Condition: An overheated connector, which could result in a fire and subsequent loss of control of the helicopter.
2017-05-04
final ruleAirworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters
Unsafe Condition: Corrosion of a tension-torsion strap (TT strap), which could result in failure of the TT strap and subsequent loss of control of the helicopter.
2013-22-21
final ruleAirworthiness Directives; Bell Helicopter Textron, Inc., Helicopters
Unsafe Condition: Incorrectly installed float inflation hoses, which could result in failure of the emergency floats to inflate fully during an emergency.