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FAA orders · airworthiness directive · current

47-33-03: Tail Cone Drain Holes

FAA order 47-33-03 is an airworthiness directive. The FAA's subject line: Tail Cone Drain Holes. System: airframe structure.

What it applies to as the FAA lists it

Kind of product
Aircraft
Makes
Textron Aviation Inc.
Models
Army AT-11, C18S

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 (503 characters)
47-33-03 BEECH: (Was Mandatory Note 5 of AD-757-2 and Mandatory Note 4 of AD- 582-2.) Applies to AT-11 and C18S Aircraft. \n\n\tTo be accomplished prior to certification or, if certificated, on next periodic inspection but not later than November 1, 1947. \n\n\tIn order to provide better tail cone drainage, add two drain holes in the tail cone and two 1/4-inch drain holes in the fuselage bulkhead No. 15 as shown in Figure 2. \n\n\n\n\n\t(Beech Service Bulletin No. C18-7 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/47-33-03.json · aircraft systems.