52-04-08: Anti-Icing Heater Controls
FAA order 52-04-08 is an airworthiness directive. The FAA's subject line: Anti-Icing Heater Controls. System: heating, ice protection and utility systems.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Martin-Marietta Corporation
- Models
- 202, 202A
Dates and paperwork
- Docket
- Unknown
- Status
- Current
- The FAA's document
- Read the order on the FAA's site
The order itself the regulatory text, as published
Show the full text (250 characters)
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.)
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 6, 2026. Connections as data: /graph/directive/52-04-08.json · aircraft systems.