# AD 52-04-05: Oil Quantity Indicator

- Type: Airworthiness directive
- Status: Current
- Products: Martin-Marietta 202 and 202A
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B51D56885066CAF586256A3200573F44.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/52-04-05

## The airworthiness directive

52-04-05 MARTIN: Applies to All Models 202 and 202A Aircraft.

Compliance required not later than November 1, 1952.

Install an engine oil quantity indicating system.

(Trans World Airlines Engineering Order No. 5789 covers this same subject.)

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-795](https://openairdocs.org/tcds/A-795): Martin-Marietta Corporation; names 2 of 2 models: 202A, 202

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.