# STC SA2946NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Salair Inc, United States
- Description: Increase in the zero fuel weight by 50 pounds
- Applied: June 11, 1985
- Status date: June 12, 1985
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-669](https://openairdocs.org/tcds/A-669)
- Certificate PDF: https://openairdocs.org/files/sha256/a6/97/a69774d551014c0f9ae932aca0699a0bad738824cfd1fc8a3e8cd3fc27337b9b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E53F3ABA3B1C31FC862579CE0060DFAE.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2946NM

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company DC3C-S1C3G ([TCDS A-669](https://openairdocs.org/tcds/A-669))

## 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 SA 2946NM This certificate issued to: Salair, Inc.

Certifies that the change in the type design for the following freduct with the limitations und conditions lyl me heronaute, haust and 21. of the federal vision Regulations and VI Original Product - Type Bertificale Number: A-669 Make: McDonnell Douglas Model: DC-3C SIC3G (Normal/Restricted) Description of Type Design Change:

This modification constitutes an increase in the zero fuel weight by 50 pounds;

allowing a maximum gross weight in the Restricted Category of 26,950 pounds.

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in McDonnell Douglas, Model DC-3C-SIC3G, Serial Number 20562 only. A copy of this Certificate, Salair, Inc.

Installation Instructions to SA2946NM, and Operating Limitations shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: June 11, 1985 Date Reissued:

Date of Issuance: June 12, 1985 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Daug TOMINIST BATO A certification paire Seattle Aircraft (Title)

## Every issue (1)

- June 12, 1985: Issued, Current. [certificate](https://openairdocs.org/files/sha256/a6/97/a69774d551014c0f9ae932aca0699a0bad738824cfd1fc8a3e8cd3fc27337b9b)

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