AD 75-24-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2A | Airworthiness Directives; Hawker Siddeley Aviation Limited DH-114 Heron Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2DA | Airworthiness Directives; Hawker Siddeley Aviation Limited DH-114 Heron Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H.114 Heron Series 2X | Airworthiness Directives; Hawker Siddeley Aviation Limited DH-114 Heron Airplanes |
Unsafe Condition
Failure of the wing structure due to cracks in the inboard sections of the left and right wing main spar upper and lower flanges.
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Required Actions
Inspect the inboard sections of the left and right wing main spar upper and lower flanges for cracks using X-ray technique per Hawker Siddeley T.N.S. No. W.6, Issue 3 (Appendix I, Issue 2 as amended June 16, 1975) or FAA-approved equivalent. If cracks are found, repair the joint per Appendix 2 of the same T.N.S. or FAA-approved method. Submit X-rays or inspection results to FAA as requested.
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Compliance Time
within the next 50 hours' time in service after the effective date of this AD, unless already accomplished
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Affected Aircraft
Hawker Siddeley Aviation Limited DH-114 Heron airplanes (D.H.114 Heron Series 2A, 2DA, 2X) with Serial Numbers up to and including 14093 and Serial Number 14098, not altered per Modification 843.
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Federal Register Abstract
Wing Structure
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-24-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-24-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Hawker Siddeley Aviation Limited DH-114 Heron Airplanes Subject: Wing Structure Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/01/1975 Make: de Havilland Aircraft Co., Ltd., The Model: D.H.114 Heron Series 2A | D.H.114 Heron Series 2DA | D.H.114 Heron Series 2X Product Type: Aircraft Product Subtype: Small/Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-24-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2433 AD NUMBER: 75-24-10 SUBJECT HEADING: Airworthiness Directives; Hawker Siddeley Aviation Limited DH-114 Heron Airplanes ACTION: SUMMARY: DATES: Effective December 1, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-24-10 HAWKER SIDDELEY AVIATION LIMITED: Amendment 39-2433. Applies to DH-114 "Heron" airplanes, Serial Numbers up to and including 14093 and Serial Number 14098, certificated in all categories, which have not been altered in accordance with Hawker Siddeley Modification 843. Compliance is required within the next 50 hours' time in service after the effective date of this AD, unless already accomplished. To prevent failure of the wing structure, accomplish the following: (a) Inspect the inboard sections of the left and right wing main spar upper and lower flanges for cracks in accordance with the X-ray technique described in Appendix I, Issue 2, as amended June 16, 1975, of Hawker Siddeley Technical News Sheet (T.N.S.) No. W.6, Issue 3, dated March 17, 1975, or an FAA-approved equivalent inspection. (b) If any cracks are detected in a spar joint as a result of the inspection required by paragraph (a) of this AD, before further flight, repair the joint in accordance with the appropriate part of Appendix 2 of Hawker Siddeley Technical News Sheet (T.N.S.) No. W. 6, Issue 3, dated March 17, 1975, or an FAA-approved equivalent. (c) Upon compliance with paragraph (a) of this AD, it is requested that copies of the X-rays or of the results of the FAA-approved equivalent inspection be forwarded to DOT/FAA, Chief, Aircraft Certification Staff, Europe, Africa, and Middle East Region, c/o American Embassy, APO New York, N.Y. 09667. (Reporting approved by the Bureau of the Budget under B.O.B. No. 04-RO174). This amendment becomes effective December 1, 1975. FOOTER:
Document Text
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AD Final Rules - DRS_75-24-10.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-24-10 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Hawker Siddeley Aviation Limited DH-114 Heron Airplanes Subject: Wing Structure Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 12/01/1975 Make: de Havilland Aircraft Co., Ltd., The Model: D.H.114 Heron Series 2A | D.H.114 Heron Series 2DA | D.H.114 Heron Series 2X Product Type: Aircraft Product Subtype: Small/Large 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: 75-24-10 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2433 AD NUMBER: 75-24-10 SUBJECT HEADING: Airworthiness Directives; Hawker Siddeley Aviation Limited DH-114 Heron Airplanes ACTION: SUMMARY: DATES: Effective December 1, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-24-10 HAWKER SIDDELEY AVIATION LIMITED: Amendment 39-2433. Applies to DH-114 "Heron" airplanes, Serial Numbers up to and including 14093 and Serial Number 14098, certificated in all categories, which have not been altered in accordance with Hawker Siddeley Modification 843. Compliance is required within the next 50 hours' time in service after the effective date of this AD, unless already accomplished. To prevent failure of the wing structure, accomplish the following: (a) Inspect the inboard sections of the left and right wing main spar upper and lower flanges for cracks in accordance with the X-ray technique described in Appendix I, Issue 2, as amended June 16, 1975, of Hawker Siddeley Technical News Sheet (T.N.S.) No. W.6, Issue 3, dated March 17, 1975, or an FAA-approved equivalent inspection. (b) If any cracks are detected in a spar joint as a result of the inspection required by paragraph (a) of this AD, before further flight, repair the joint in accordance with the appropriate part of Appendix 2 of Hawker Siddeley Technical News Sheet (T.N.S.) No. W. 6, Issue 3, dated March 17, 1975, or an FAA-approved equivalent. (c) Upon compliance with paragraph (a) of this AD, it is requested that copies of the X-rays or of the results of the FAA-approved equivalent inspection be forwarded to DOT/FAA, Chief, Aircraft Certification Staff, Europe, Africa, and Middle East Region, c/o American Embassy, APO New York, N.Y. 09667. (Reporting approved by the Bureau of the Budget under B.O.B. No. 04-RO174). This amendment becomes effective December 1, 1975. FOOTER:
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