# AD 47-42-06: Fire Extinguisher Placard

- Type: Airworthiness directive
- Status: Current
- Products: Boeing DC-6, DC-6A and DC-6B
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Registered aircraft: 17 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0DC3B4873DF59B38862569BB0075A721.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/47-42-06

## The airworthiness directive

47-42-06 DOUGLAS: (Was Mandatory Note 3 of AD-781-1.) Applies to the Following DC-6 Airplanes: AAL Serial Numbers 42854 to 42865, Inclusive; Serial Numbers 42879, 42880 and 42882 to 42891, Inclusive; UAL Serial Numbers 42866 to 42875, Inclusive; and 43000 to 43009, Inclusive; Panagra Numbers 42876 to 42878, Inclusive; NAL Serial Numbers 43055 and 43056; and AAF Number 42881.

To be accomplished not later than August 1, 1948.

In the main cabin, Station 890, stencil "Fire Extinguisher" on forward side of bulkhead 12 inches from the floor at the right-hand edge of the lounge door.

(Douglas Service Bulletin DC-6 No. 18 covers this same subject.)

## Affected data sheets (3) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 6A3](https://openairdocs.org/tcds/6A3): The Boeing Company; names 1 of 3 models: DC-6A
- [TCDS 6A4](https://openairdocs.org/tcds/6A4): The Boeing Company; names 1 of 2 models: DC-6B
- [TCDS A-781](https://openairdocs.org/tcds/A-781): The Boeing Company; names 1 of 1 models: DC-6

## 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: 17 (17 by airframe model, 0 by engine model)
- Makers: Douglas 17

Models with the most aircraft:

- [Douglas DC-6B](https://openairdocs.org/model/douglas-dc-6b): 9 aircraft (airframe model)
- [Douglas DC-6A](https://openairdocs.org/model/douglas-dc-6a): 7 aircraft (airframe model)
- [Douglas DC-6](https://openairdocs.org/model/douglas-dc-6): 1 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/47-42-06/models.md
Every aircraft: https://openairdocs.org/ad/47-42-06/aircraft.md

Its text cites no advisory circulars or STCs.

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