47-06-06: Engine Breather Line
FAA order 47-06-06 is an airworthiness directive. The FAA's subject line: Engine Breather Line. System: engine.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Swift Museum Foundation, Inc.
- Models
- GC-1A, GC-1B
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 (573 characters)
47-06-06 GLOBE: (Was Mandatory Note 9 of AD-766-5.) Applies to Models GC-1A and GC-1B Aircraft Serial Numbers 3 to 408 Inclusive; 1001 to 1460 Inclusive; and 2001 to 2329 Inclusive.
Compliance required prior to April 1, 1947.
Cut off the egress end of the engine breather line to terminate the line 1-inch above the grill opening. This will prevent clogging of the line due to formation of ice during cold weather operation or the entry of foreign matter caused by the propeller blast.
(Globe Customer Service Maintenance Bulletin No. 11 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/47-06-06.json · aircraft systems.