# STC SA2770NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: SkyWorld Airlines Inc, United States
- Description: Modification of a triple to a double seat and installation.
- Applied: November 26, 1986
- Status date: January 14, 1987
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A26](https://openairdocs.org/tcds/4A26)
- Certificate PDF: https://openairdocs.org/files/sha256/19/40/19407d1580ba73aa6ff0a224992169380b848b16621caa472bc7291794943a2e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E92D1AF83D452C5985256CC20008C8C6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2770NM

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 707-300B Series ([TCDS 4A26](https://openairdocs.org/tcds/4A26))
- The Boeing Company 707-300C Series ([TCDS 4A26](https://openairdocs.org/tcds/4A26))

## What the certificate says

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

anm-100D-0087 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2770NM This certificate issued to: Skyworld Airlines, Inc.

2121 Valentia Street Denver, Colorado 80220 Part 4b of the CIVIT Air Regulations.

Original Product - Type Certificate Number: 4A26 Make: Boeing Model: 707-300B and -300C (Series) Moditian f Fee Designbhange: a double seat and installation of this seat in accordance with Skyworld Airlines Drawing SAI-25-001, Revision 2, FAA approved 12/10/86 or later FAA approved revision.

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any other previously approved modification will introduce no adverse effect upon the airworthiness of the aircraft.

Date of Application: November 26, 1986 Date Reissued:

Date of Issuance: January 14, 1987V Date Amended:

EDERAL AVIATIO Da 7. Grosama By Direction of the Administrator David T. Grossman, (Signature) Manager TO MINISTRATO Denver Aircraft Certification Office Northwest Mountain Region, Aurora, Colorado

47.

## Every issue (1)

- January 14, 1987: Issued, Current. [certificate](https://openairdocs.org/files/sha256/19/40/19407d1580ba73aa6ff0a224992169380b848b16621caa472bc7291794943a2e)

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