- Effective
- September 1, 1972
- Models
- D.H.114 Heron Series 2A, D.H.114 Heron Series 2DA, D.H.114 Heron Series 2X
- Data sheet
- TCDSA-816
- Registered aircraft
- 1 matched by model
- Product
- Aircraft · Small/large airplane
- Amendment
- 39-1486
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 May 30, 2024.
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
72-07-03 HAWKER SIDDELEY AVIATION, LTD.: Amdt. 39-1408 as amended by Amendment 39-1486. Applies to Hawker Siddeley Model DH-114 Series 2 "Heron" airplanes.
Compliance is required on or before September 1, 1972.
To prevent possible failure of the air bottles, P/N B.2994, used in the two main air reservoir assemblies, P/N C.51626, of the pneumatic system, replace the main air reservoir assemblies, P/N C.51626, located in the fuselage nose with serviceable assemblies, P/N SAS.388- 001, containing air bottles P/N BAT.205-001.
(Hawker Siddeley Technical News Sheet, Series: Heron (114) No. S.7., Issues 1 and 2, dated June 21, 1971, and September 28, 1971, respectively, cover this same subject.)
Amendment 39-1408 became effective April 15, 1972.
This amendment 39-1486 is effective upon publication in the Federal Register as to all persons except those persons to whom it was made immediately effective by telegram dated May 31, 1972, which contained this amendment.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 1
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.