AD 70-06-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | B-N Group Ltd. | BN-2 | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
| aircraft | B-N Group Ltd. | BN-2A | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-2 | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-20 | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-21 | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-26 | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-27 | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-3 | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-6 | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-8 | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
| aircraft | B-N Group Ltd. | BN-2A-9 | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
| aircraft | B-N Group Ltd. | BN2A MK. III | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
| aircraft | B-N Group Ltd. | BN2A MK. III-2 | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
| aircraft | B-N Group Ltd. | BN2A MK. III-3 | Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes |
Unsafe Condition
Movement or incorrect positioning of the waisted locking keys in the wing to fuselage attachment spindles could result in structural failure of the attachment spindles.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 10 hours' time in service after the effective date, inspect the four access panels to ensure locking keys are positioned and retained properly. If movement or incorrect positioning is found, re-secure the keys per Britten-Norman Service Bulletin or equivalent before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 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
B-N Group Ltd. Models BN-2 and BN-2A airplanes with serial numbers C19 through C130 incorporating modification NB/M/155
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Fuselage Attach Spindles
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_70-06-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 70-06-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes Subject: Fuselage Attach Spindles Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/17/1970 Make: B-N Group Ltd. Model: BN-2 | BN-2A | BN-2A-2 | BN-2A-20 | BN-2A-21 | BN-2A-26 | BN-2A-27 | BN-2A-3 | BN-2A-6 | BN-2A-8 | B...Show more 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: 70-06-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-951 AD NUMBER: 70-06-04 SUBJECT HEADING: Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes ACTION: SUMMARY: DATES: Effective March 17, 1970. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 70-06-04 BRITTEN NORMAN, LTD: Amdt. 39-951. Applies to Models BN-2 and BN-2A airplanes having serial numbers C19 through C130 which have modification NB/M/155 incorporated. To ensure the security of the locking keys in the outboard side of the four wing to fuselage attachment spindles, accomplish the following: (a) Within 10 hours' time in service after the effective date of this AD, unless already accomplished, remove the four access panels W11, W14, W33, and W36 from the upper surface of the wing center section and visually inspect to ensure that the waisted locking key in each of the four attachment spindles is in position and is tightly retained there by the outboard face of the plain nut. (b) If any movement or incorrect positioning of any locking key is evident during the inspection required by paragraph (a), before further flight re-secure the affected locking key in accordance with Britten-Norman Service Bulletin No. BN-2/SB.25, dated January 8, 1970, or later ARB issue or an FAA-approved equivalent. This amendment becomes effective March 17, 1970. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_70-06-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 70-06-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes Subject: Fuselage Attach Spindles Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/17/1970 Make: B-N Group Ltd. Model: BN-2 | BN-2A | BN-2A-2 | BN-2A-20 | BN-2A-21 | BN-2A-26 | BN-2A-27 | BN-2A-3 | BN-2A-6 | BN-2A-8 | B...Show more 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: 70-06-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-951 AD NUMBER: 70-06-04 SUBJECT HEADING: Airworthiness Directives; Britten Norman Models BN-2 and BN-2A Airplanes ACTION: SUMMARY: DATES: Effective March 17, 1970. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 70-06-04 BRITTEN NORMAN, LTD: Amdt. 39-951. Applies to Models BN-2 and BN-2A airplanes having serial numbers C19 through C130 which have modification NB/M/155 incorporated. To ensure the security of the locking keys in the outboard side of the four wing to fuselage attachment spindles, accomplish the following: (a) Within 10 hours' time in service after the effective date of this AD, unless already accomplished, remove the four access panels W11, W14, W33, and W36 from the upper surface of the wing center section and visually inspect to ensure that the waisted locking key in each of the four attachment spindles is in position and is tightly retained there by the outboard face of the plain nut. (b) If any movement or incorrect positioning of any locking key is evident during the inspection required by paragraph (a), before further flight re-secure the affected locking key in accordance with Britten-Norman Service Bulletin No. BN-2/SB.25, dated January 8, 1970, or later ARB issue or an FAA-approved equivalent. This amendment becomes effective March 17, 1970. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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