# AD 47-47-07: Engine Identification Plate

- Type: Airworthiness directive
- Status: Current
- Products: Textron 35, 35-33, 35-A33, 35-B33, 35-C33, 35-C33A and 35R
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 1,077 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F57DAE6CC6F5CC5986256A0800731934.0001
- DRS record last changed: January 21, 2026
- Page: https://openairdocs.org/ad/47-47-07

## The airworthiness directive

47-47-07 BEECH: (Was Mandatory Note 1 of AD-777-1.) Applies to Model 35 Serial Numbers D1 to D491, Inclusive.

Compliance required prior to next annual inspection.

Replace the engine identification plate containing either E-165-4 or E-165-4A model designation with an identification plate, furnished by the engine manufacturer, having E-185-1 stamped in the engine designation block. The engine model designation, E-165-4 or E-165-4A, stamped on the airplane's identification plate should be permanently deleted through the use of a sharp-pointed instrument.

(Beech Service Bulletin No. 35-3 covers this same subject.)

## Affected data sheets (2) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 3A15](https://openairdocs.org/tcds/3A15): Textron Aviation Inc.; names 5 of 27 models: 35-C33A, 35-A33, 35-C33, 35-33, 35-B33
- [TCDS A-777](https://openairdocs.org/tcds/A-777): Textron Aviation Inc.; names 2 of 9 models: 35R, 35

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 1,077 (1,077 by airframe model, 0 by engine model)
- Makers: Beech 1,077

Models with the most aircraft:

- [Beech 35-B33](https://openairdocs.org/model/beech-35-b33): 291 aircraft (airframe model)
- [Beech 35](https://openairdocs.org/model/beech-35): 266 aircraft (airframe model)
- [Beech 35-C33](https://openairdocs.org/model/beech-35-c33): 185 aircraft (airframe model)
- [Beech 35-33](https://openairdocs.org/model/beech-35-33): 130 aircraft (airframe model)
- [Beech 35-C33A](https://openairdocs.org/model/beech-35-c33a): 113 aircraft (airframe model)
- [Beech 35-A33](https://openairdocs.org/model/beech-35-a33): 85 aircraft (airframe model)
- [Beech 35R](https://openairdocs.org/model/beech-35r): 7 aircraft (airframe model)

All 7 models: https://openairdocs.org/ad/47-47-07/models.md
Every aircraft: https://openairdocs.org/ad/47-47-07/aircraft.md

Its text cites no advisory circulars or STCs.

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