AD 71-14-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Viking Air Limited | DHC-6-1 | Airworthiness Directives; de Havilland Aircraft of Canada, Ltd Model DHC-6 Series Airplanes |
| aircraft | Viking Air Limited | DHC-6-100 | Airworthiness Directives; de Havilland Aircraft of Canada, Ltd Model DHC-6 Series Airplanes |
| aircraft | Viking Air Limited | DHC-6-200 | Airworthiness Directives; de Havilland Aircraft of Canada, Ltd Model DHC-6 Series Airplanes |
| aircraft | Viking Air Limited | DHC-6-300 | Airworthiness Directives; de Havilland Aircraft of Canada, Ltd Model DHC-6 Series Airplanes |
Unsafe Condition
Possible explosion in bays 9 and 10 due to the operation of electrical components.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Deactivate the JB Systems air conditioner by disconnecting power at the distribution bus until the F.S. 281 bulkhead and other areas are sealed per JB Systems, Inc. Service Bulletin No. 011 or equivalent approved process.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 10 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
de Havilland Model DHC-6 Series airplanes modified with JB Systems, Inc. STC SA1837WE
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Possible Explosion in Bays 9 and 2
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_71-14-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 71-14-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; de Havilland Aircraft of Canada, Ltd Model DHC-6 Series Airplanes Subject: Possible Explosion in Bays 9 and 2 Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Viking Air Limited Model: DHC-6-1 | DHC-6-100 | DHC-6-200 | DHC-6-300 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 71-14-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1242 AD NUMBER: 71-14-05 SUBJECT HEADING: Airworthiness Directives; de Havilland Aircraft of Canada, Ltd Model DHC-6 Series Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 71-14-05 de HAVILLAND AIRCRAFT of CANADA, LTD: Amdt. 39-1242. Applies to de Havilland Model DHC-6 Series airplanes modified in accordance with JB Systems, Inc. STC SA1837WE. Compliance required within the next 10 hours' time in service after the effective date of this AD. To prevent possible explosion in bays 9 and 10 due to the operation of electrical components, accomplish the following, unless already accomplished: Deactivate the JB Systems air conditioner by disconnecting the source of power at the distribution bus, until the F.S. 281 bulkhead and other areas are sealed, per JB Systems, Inc., Service Bulletin No. 011, dated June 8, 1971, or later FAA approved revisions, or an equivalent sealing process is performed upon approval by the Chief, Aircraft Engineering Division, FAA Western Region. This amendment is effective upon publication in the Federal Register, except for all operators in receipt of this AD, by letter dated June 24, 1971, from FAA Aeronautical Center, Oklahoma City, Oklahoma. As to these operators, this AD is effective upon receipt of said letter. This amendment is effective upon publication in the Federal Register except for those recipients of letters dated June 24, 1971, which contained this amendment. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_71-14-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 71-14-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; de Havilland Aircraft of Canada, Ltd Model DHC-6 Series Airplanes Subject: Possible Explosion in Bays 9 and 2 Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Viking Air Limited Model: DHC-6-1 | DHC-6-100 | DHC-6-200 | DHC-6-300 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 71-14-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1242 AD NUMBER: 71-14-05 SUBJECT HEADING: Airworthiness Directives; de Havilland Aircraft of Canada, Ltd Model DHC-6 Series Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 71-14-05 de HAVILLAND AIRCRAFT of CANADA, LTD: Amdt. 39-1242. Applies to de Havilland Model DHC-6 Series airplanes modified in accordance with JB Systems, Inc. STC SA1837WE. Compliance required within the next 10 hours' time in service after the effective date of this AD. To prevent possible explosion in bays 9 and 10 due to the operation of electrical components, accomplish the following, unless already accomplished: Deactivate the JB Systems air conditioner by disconnecting the source of power at the distribution bus, until the F.S. 281 bulkhead and other areas are sealed, per JB Systems, Inc., Service Bulletin No. 011, dated June 8, 1971, or later FAA approved revisions, or an equivalent sealing process is performed upon approval by the Chief, Aircraft Engineering Division, FAA Western Region. This amendment is effective upon publication in the Federal Register, except for all operators in receipt of this AD, by letter dated June 24, 1971, from FAA Aeronautical Center, Oklahoma City, Oklahoma. As to these operators, this AD is effective upon receipt of said letter. This amendment is effective upon publication in the Federal Register except for those recipients of letters dated June 24, 1971, which contained this amendment. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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