- Model
- Army AT-11
- Data sheet
- TCDSA-2-582
- Product
- Aircraft · Small airplane
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed January 21, 2026.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
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|---|---|---|---|
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The airworthiness directive
47-30-07 BEECH: (Was Mandatory Note 3 of AD-2-582-2.) Applies Only to AT-11 Aircraft Which Are Not Equipped With Generator Circuit Protective Devices.
To be accomplished prior to certification or, if certificated, on next periodic inspection but not later than October 1, 1947.
In accordance with Figure 1 install a 50-ampere trip-free circuit breaker, Spencer Thermostat Co. PLM-50 or equivalent, between the battery terminal of each generator cutout and its respective ammeter shunt. The circuit breakers should be accessible in flight and labeled respectively: "LEFT GEN. CIRCUIT" and "RIGHT GEN. CIRCUIT."
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.