# STC SA229NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Pacific Alaska Airlines Inc, United States
- Description: Installation of 82 passenger configuration
- Applied: October 7, 1975
- Status date: October 22, 1975
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 6A4](https://openairdocs.org/tcds/6A4)
- Certificate PDF: https://openairdocs.org/files/sha256/a6/2c/a62c643e62ec75cb08fbfc21d7e01ba685fc4870049978094805bdd8824a6aa6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6D5A5101E5793C1586257ADA006D14F1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA229NW

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company DC-6B ([TCDS 6A4](https://openairdocs.org/tcds/6A4))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA229N4 This certificate issued to: PACIFIC ALASKA AIRLINES Certifies that the change in the type design for the fellowing praduct with the limitations und conditions thereforas specifed heronmes thenirerhinessquirements of Part 4b of the CIVIl Air Regulations:

Original Product -Type bertificate Number: 6A4 Make: McDonnel Douglas Make: DC-6B, S/N 44110 Description of Type Design Change:

Installation of 82 passenger configuration in accordance with Pacific Alaska Report PAK 111DG.

Data pertaining to this modification are considered inadequate for duplication in other aircraft. Therefore, this approval is limited to the installation in McDonnell Douglas DC-68, Serial No. 44110 only. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft.

bAR 21.17.

FAA For 2110-2 (10-45) Page 1 of 1

## Every issue (1)

- October 22, 1975: Issued, Current. [certificate](https://openairdocs.org/files/sha256/a6/2c/a62c643e62ec75cb08fbfc21d7e01ba685fc4870049978094805bdd8824a6aa6)

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