# AD 47-06-06: Engine Breather Line

- Type: Airworthiness directive
- Status: Current
- Products: Swift Museum Foundation GC-1A and GC-1B
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 541 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3EE7E5BCE1C0DA4586256A56006B7E63.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/47-06-06

## The airworthiness directive

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.)

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-766](https://openairdocs.org/tcds/A-766): Swift Museum Foundation Inc.; names 2 of 2 models: GC-1A, GC-1B

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 541 (541 by airframe model, 0 by engine model)
- Makers: Globe 426, Temco 115

Models with the most aircraft:

- [Globe GC-1B](https://openairdocs.org/model/globe-gc-1b): 395 aircraft (airframe model)
- [Temco GC-1B](https://openairdocs.org/model/temco-gc-1b): 115 aircraft (airframe model)
- [Globe GC-1A](https://openairdocs.org/model/globe-gc-1a): 31 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/47-06-06/models.md
Every aircraft: https://openairdocs.org/ad/47-06-06/aircraft.md

Its text cites no advisory circulars or STCs.

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