# AD 74-18-06: Fuel Quantity Placards

- Type: Airworthiness directive
- Status: Current
- Products: Piper PA-28-235
- Effective: August 28, 1974
- Published: August 23, 1974
- Issued: August 14, 1974
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-1932
- Registered aircraft: 860 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/98B99172CEAA376F8625699900513C97.0001
- DRS record last changed: November 21, 2025
- Page: https://openairdocs.org/ad/74-18-06

## The airworthiness directive

74-18-06 PIPER: Amendment 39-1932. Applies to PA-28-235 airplanes Serial numbers 28-7310001 to 28-7310064 inclusive and 28-7410001 to 28-7410039 inclusive certificated in all categories.

Compliance required within the next 50 hours' time in service after the effective date of this AD, unless already accomplished.

To detect and replace erroneous fuel quantity placards, accomplish the following:

1. Inspect the fuel quantity placards located on both aircraft wing (inboard main) fuel tanks and replace each placard that does not state "Usable fuel capacity 24 gallons", with Placard Piper Part Number 69669-64V or an equivalent placard approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region.

2. Inspect the fuel selector placard (in the aircraft cabin) and replace the placard if it does not state "24 gallons" at both the left main and the right main positions with Placard Piper Part Number 69672-00V or an equivalent placard approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region.

Piper Service Letter No. 720 pertains to this same subject.

This amendment becomes effective August 28, 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 1 of 18 models: 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: 860 (860 by airframe model, 0 by engine model)
- Makers: Piper 859, Piper/Valdes-Ervin 1

Models with the most aircraft:

- [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 2 models: https://openairdocs.org/ad/74-18-06/models.md
Every aircraft: https://openairdocs.org/ad/74-18-06/aircraft.md

Its text cites no advisory circulars or STCs.

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