AD 91-03-12
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
Unequal float inflation which could result in aircraft rollover and impede emergency egress after an emergency water landing.
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Required Actions
Inspect each float bag to determine if any square body, brass type inflation valves, part numbers 222-336-101-19 or -23 are installed. If found, install an appropriate flow restrictor in accordance with the instructions in Appendix I or II of this AD depending on the model. An alternative method of compliance may be used if approved by the Manager, Rotorcraft Certification Office.
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Compliance Time
within the next 100 hours' time in service after the effective date of this AD or upon installation of float bags from spares, unless already accomplished
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Affected Aircraft
Bell Helicopter Textron Canada Limited Model 206A, 206B, 206L, 206L-1, and 206L-3 helicopters equipped with emergency float bags part numbers 206-050-248-107, -109, and -111 manufactured prior to September 1, 1989.
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Federal Register Abstract
Emergency Float Bags
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_91-03-12.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 91-03-12 Document Type: AD Final Rules Docket Number: 90-ASW-3 Subject Heading: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1, and 2...Show more Subject: Emergency Float Bags Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/28/1991 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: 91-03-12 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 90-ASW-3 AMENDMENT: 39-6856 AD NUMBER: 91-03-12 SUBJECT HEADING: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1, and 206L-3 Helicopters ACTION: SUMMARY: DATES: Effective February 28, 1991. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 91-03-12 BELL HELICOPTER TEXTRON, INC. (BHTI): Amendment 39-6856. Docket No. 90-ASW-3. Applicability: All Model 206A, 206B, 206L, 206L-1, and 206L-3 helicopters equipped with emergency float bags, part numbers (P/N) 206-050-248-107, -109 and -111 manufactured prior to September 1, 1989. These float bags are used in BHTI emergency float kits 206-706-210 and 206-706-211. Compliance: Required within the next 100 hours' time in service after the effective date of this AD or upon installation of float bags from spares, unless already accomplished. To prevent unequal float inflation which could result in aircraft rollover and impede emergency egress after an emergency water landing, accomplish the following: (a) Inspect each float bag to determine if any square body, brass type inflation valves, P/N 222-336-101-19 or -23, are installed. If any of these valves are found, install an appropriate flow restrictor in accordance with the instructions in Appendix I of this AD for Models 206A and B, or Appendix II of this AD for Models 206L, L-1 and L-3, as applicable. (b) An alternative method of compliance, which provides an equivalent level of safety, may be used if approved by the Manager, Rotorcraft Certification Office, ASW-170, FAA Southwest Region, Fort Worth, Texas 76193-0170, telephone (817) 624-5170. (c) In accordance with FAR Sections 21.197 and 21.199, flight is permitted to a base where the requirements of this AD may be accomplished. NOTE: Appendix I, which is not reprinted in this AD, includes material from Bell Helicopter Textron, Inc., (BHTI) Alert Service Bulletin No. 206-89-49, and Appendix II, which is not reprinted in this AD, includes material from BHTI Alert Service Bulletin No. 206L-89-63, both dated October 10, 1989. A copy of the service bulletins may be obtained from BHTI, P.O. Box 482, Fort Worth, Texas 76101. This amendment (39-6856, AD 91-03-12) becomes effective on February 28, 1991. FOOTER:
Document Text
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AD Final Rules - DRS_91-03-12.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 91-03-12 Document Type: AD Final Rules Docket Number: 90-ASW-3 Subject Heading: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1, and 2...Show more Subject: Emergency Float Bags Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/28/1991 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: 91-03-12 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: 90-ASW-3 AMENDMENT: 39-6856 AD NUMBER: 91-03-12 SUBJECT HEADING: Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1, and 206L-3 Helicopters ACTION: SUMMARY: DATES: Effective February 28, 1991. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 91-03-12 BELL HELICOPTER TEXTRON, INC. (BHTI): Amendment 39-6856. Docket No. 90-ASW-3. Applicability: All Model 206A, 206B, 206L, 206L-1, and 206L-3 helicopters equipped with emergency float bags, part numbers (P/N) 206-050-248-107, -109 and -111 manufactured prior to September 1, 1989. These float bags are used in BHTI emergency float kits 206-706-210 and 206-706-211. Compliance: Required within the next 100 hours' time in service after the effective date of this AD or upon installation of float bags from spares, unless already accomplished. To prevent unequal float inflation which could result in aircraft rollover and impede emergency egress after an emergency water landing, accomplish the following: (a) Inspect each float bag to determine if any square body, brass type inflation valves, P/N 222-336-101-19 or -23, are installed. If any of these valves are found, install an appropriate flow restrictor in accordance with the instructions in Appendix I of this AD for Models 206A and B, or Appendix II of this AD for Models 206L, L-1 and L-3, as applicable. (b) An alternative method of compliance, which provides an equivalent level of safety, may be used if approved by the Manager, Rotorcraft Certification Office, ASW-170, FAA Southwest Region, Fort Worth, Texas 76193-0170, telephone (817) 624-5170. (c) In accordance with FAR Sections 21.197 and 21.199, flight is permitted to a base where the requirements of this AD may be accomplished. NOTE: Appendix I, which is not reprinted in this AD, includes material from Bell Helicopter Textron, Inc., (BHTI) Alert Service Bulletin No. 206-89-49, and Appendix II, which is not reprinted in this AD, includes material from BHTI Alert Service Bulletin No. 206L-89-63, both dated October 10, 1989. A copy of the service bulletins may be obtained from BHTI, P.O. Box 482, Fort Worth, Texas 76101. This amendment (39-6856, AD 91-03-12) becomes effective on February 28, 1991. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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