# AD 74-09-04: Rear Seat Belt Installation

- Type: Airworthiness directive
- Status: Current
- Products: Piper PA-28-140, PA-28-180, PA-28-235 and PA-28R-200
- Effective: April 24, 1974
- Published: April 19, 1974
- Issued: April 9, 1974
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-1821
- Registered aircraft: 9,845 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/51E6C7A023F3C281862569990050FFE1.0001
- DRS record last changed: November 21, 2025
- Page: https://openairdocs.org/ad/74-09-04

## The airworthiness directive

74-09-04 PIPER: Amendment 39-1821. Applies to Model PA-28-140 Serial Numbers 28-7225001 through 28-7325674; Model PA-28-180 Serial Numbers 28-7205001 through 28- 7305601; Model PA-28-235 Serial Numbers 28-7210001 through 28-7310176; and Model PA- 28R-200 Serial Numbers 28R-7235001 through 28R-7335446, certificated in all categories.

Compliance required within the next 100 hours time in service from the effective date of this AD, unless already accomplished.

To provide a safer rear seat belt installation, accomplish the following:

Relocate the rear seat safety belt outboard attachments in accordance with Piper Service Bulletin Number 393 or equivalent approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region, Atlanta, Georgia.

The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made apart hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to Piper Aircraft Corporation, Vero Beach Division, Vero Beach, Florida 32960. These documents may also be examined at the Federal Aviation Administration, Southern Region, 3400 Whipple Street, East Point, Georgia 30344 and at Federal Aviation Administration Headquarters, 800 Independence Avenue, S.W., Washington, D.C. A historical file on this AD which includes the incorporated material in full is maintained by the FAA at its Headquarters in Washington, D.C., and at the Federal Aviation Administration, Southern Region.

This amendment becomes effective April 24, 1974.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 2A13](https://openairdocs.org/tcds/2A13): Piper Aircraft Inc.; names 4 of 18 models: PA-28-140, PA-28R-200, PA-28-180, PA-28-235

## 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: 9,845 (9,845 by airframe model, 0 by engine model)
- Makers: Piper 9,844, Piper/Valdes-Ervin 1

Models with the most aircraft:

- [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140): 4,258 aircraft (airframe model)
- [Piper PA-28-180](https://openairdocs.org/model/piper-pa-28-180): 3,504 aircraft (airframe model)
- [Piper PA-28R-200](https://openairdocs.org/model/piper-pa-28r-200): 1,223 aircraft (airframe model)
- [Piper PA-28-235](https://openairdocs.org/model/piper-pa-28-235): 859 aircraft (airframe model)
- [Piper/Valdes-Ervin PA-28-235](https://openairdocs.org/model/piper-valdes-ervin-pa-28-235): 1 aircraft (airframe model)

All 5 models: https://openairdocs.org/ad/74-09-04/models.md
Every aircraft: https://openairdocs.org/ad/74-09-04/aircraft.md

Its text cites no advisory circulars or STCs.

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