AD 81-04-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kawasaki Heavy Industries, Limited | KV107-II | Airworthiness Directives; KAWASAKI HEAVY INDUSTRIES, LTD. Models KV107-II and KV107-IIA Helicopters |
| aircraft | Kawasaki Heavy Industries, Limited | KV107-IIA | Airworthiness Directives; KAWASAKI HEAVY INDUSTRIES, LTD. Models KV107-II and KV107-IIA Helicopters |
Unsafe Condition
Possible restriction of cyclic stick travel, which could result in an unsafe flight condition.
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Required Actions
Loosen the velcro tape and camloc fasteners securing the pilot and copilot cyclic stick boots (P/N 107S2226-9), remove the boots, remove the two rivets attaching the forward spring (P/N 107S2226-12), discard the forward spring, install washers and new rivets to plug the holes, and reinstall the stick boots.
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Compliance Time
Within the next 25 hours time in service after the effective date of this AD
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Affected Aircraft
Kawasaki Heavy Industries, Limited Models KV107-II and KV107-IIA helicopters with pilot or copilot cyclic stick boots, P/N 107S2226-9, installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Cyclic Stick Boots
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_81-04-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-04-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; KAWASAKI HEAVY INDUSTRIES, LTD. Models KV107-II and KV107-IIA Helicopters Subject: Cyclic Stick Boots Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/26/1981 Make: Kawasaki Heavy Industries, Limited Model: KV107-II | KV107-IIA Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 81-04-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4045 AD NUMBER: 81-04-10 SUBJECT HEADING: Airworthiness Directives; KAWASAKI HEAVY INDUSTRIES, LTD. Models KV107-II and KV107-IIA Helicopters ACTION: SUMMARY: DATES: Effective February 26, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-04-10 KAWASAKI HEAVY INDUSTRIES, LTD.: Amendment 39-4045. Applies to Models KV107-II and KV107-IIA helicopters, certificated in all categories, with pilot or copilot cyclic stick boots, P/N 107S2226-9, installed. Compliance required as indicated, unless already accomplished. To prevent possible restriction of cyclic stick travel, which could result in an unsafe flight condition, accomplish the following: (a) Within the next 25 hours time in service after the effective date of this AD, loosen the velcro tape and camloc fasteners securing the pilot and copilot cyclic stick boots, P/N 107S2226-9, and remove the boots. (b) Remove the two rivets which attach the forward spring, P/N 107S2226-12, to the forward end of the boot base and discard the forward spring. (c) Install washers and new rivets to plug the resulting two empty holes in the boot base. (d) Reinstall the pilot and copilot stick boots. (e) In accordance with FAR Sections 21.197 and 21.199, the helicopter may be flown to a base where the modification can be accomplished. This amendment becomes effective February 26, 1981. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_81-04-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 81-04-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; KAWASAKI HEAVY INDUSTRIES, LTD. Models KV107-II and KV107-IIA Helicopters Subject: Cyclic Stick Boots Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 02/26/1981 Make: Kawasaki Heavy Industries, Limited Model: KV107-II | KV107-IIA 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: 81-04-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4045 AD NUMBER: 81-04-10 SUBJECT HEADING: Airworthiness Directives; KAWASAKI HEAVY INDUSTRIES, LTD. Models KV107-II and KV107-IIA Helicopters ACTION: SUMMARY: DATES: Effective February 26, 1981. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 81-04-10 KAWASAKI HEAVY INDUSTRIES, LTD.: Amendment 39-4045. Applies to Models KV107-II and KV107-IIA helicopters, certificated in all categories, with pilot or copilot cyclic stick boots, P/N 107S2226-9, installed. Compliance required as indicated, unless already accomplished. To prevent possible restriction of cyclic stick travel, which could result in an unsafe flight condition, accomplish the following: (a) Within the next 25 hours time in service after the effective date of this AD, loosen the velcro tape and camloc fasteners securing the pilot and copilot cyclic stick boots, P/N 107S2226-9, and remove the boots. (b) Remove the two rivets which attach the forward spring, P/N 107S2226-12, to the forward end of the boot base and discard the forward spring. (c) Install washers and new rivets to plug the resulting two empty holes in the boot base. (d) Reinstall the pilot and copilot stick boots. (e) In accordance with FAR Sections 21.197 and 21.199, the helicopter may be flown to a base where the modification can be accomplished. This amendment becomes effective February 26, 1981. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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