- Effective
- August 15, 1975
- Models
- BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A, DH.125 Series 1A-522, DH.125 Series 1A/R-522, DH.125 Series 1A/S-522 and 4 more
- Data sheet
- TCDSA3EU
- Registered aircraft
- 4 matched by model
- Product
- Aircraft · Large airplane
- Amendment
- 39-2302
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed January 21, 2026.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
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On this page
The airworthiness directive
75-13-05 HAWKER SIDDELEY AVIATION, LTD: Amendment 39-2233 as amended by Amendment 39- 2302. Applies to Hawker Siddeley DH/BH. 125 airplanes certificated in all categories.
Compliance required as indicated, unless already accomplished.
To prevent possible failure of cockpit side window Panel "C" assemblies, within two calendar years time in service on original cockpit side window Panel "C" assemblies, or 25 hours time in service on such panels after the effective date of this AD, whichever occurs later, remove the original cockpit side window Panel "C" assemblies having part numbers given in the following table and install in place thereof the corresponding new window assemblies given in the table, in accordance with the instructions for the specific airplane model contained in Hawker Siddeley Aviation, Ltd., Alert Service Bulletin 56-A16, Revision 1, dated May 29, 1974, and accompanying Modification Service Bulletin 56-16 (2410), Revision 2, dated May 23, 1975, or an FAA approved equivalent.
ORIGINAL PART NO.
REPLACEMENT PART NO. 25FN57A(L/H) replace with 25-6FN219/1A or 25-6FN219/7A 25FN4865A or replace with 25-6FN219/1A or 25FN4865A/B(L/H)
25-6FN219/7A 25FN58A(R/H) replace with 25-6FN220/2A or 25-6FN220/8A 25FN4866A or replace with 25-6FN220/2A or 25FN4866A/B(R/H)
25-6FN220/8A
Amendment 39-2233 became effective June 4, 1975.
This amendment 39-2302 becomes effective August 15, 1975.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 4
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1968 | 1 |
|---|---|
| 1970 | 1 |
| 1971 | 1 |
1 with no year recorded