# AD 52-04-08: Anti-Icing Heater Controls

- 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- Superseded by: Nothing supersedes this AD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/2FEB4DCBE959838586256A3200585796.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/52-04-08

## The airworthiness directive

52-04-08 MARTIN: Applies to All Models 202 and 202A Aircraft.

Compliance required not later than May 1, 1952.

Relocate the anti-icing heater controls to the main bus.

(Trans World Airlines Engineering Order 5759 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.

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