# STC SA4040NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aspen Airways Inc, United States
- Description: Installation of Foster AirData TCN 970 TACAN equipment.
- Applied: August 17, 1988
- Status date: February 8, 1989
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A49EU](https://openairdocs.org/tcds/A49EU)
- Certificate PDF: https://openairdocs.org/files/sha256/ee/01/ee01ea06ea5fee0309d0385e57ae30d8e5cfc8e4c41293b4396ede667cc29078
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4BC33079233AE09985256CC2000C605B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4040NM

## ADs that name it (0)

None.

## Approved models (1)

- BAE Systems (Operations) Limited BAe 146-100A ([TCDS A49EU](https://openairdocs.org/tcds/A49EU))

## 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: SA4040NM This certificate issued to: Aspen Airways, Inc.

Purt 25 of the Federal Aviation Regulations.

Original Product - Type Bertificate Vumber: A49EU Make: British Aerospace Model: BAe 146-100A Description of Type Design Change:

Installation of Foster AirData ICN 970 TACAN equipment in accordance with Aspen Airways, Inc., Engineering Change Order (E.C.O.) Number 34-146-07 dated August 22, 1988, FAA approved February 8, 1989, or later FAA approved revision.

1. Provisions for this installation have been previously approved by Aspen Airways, Inc., FAA Form 337 dated October 22, 1984, and must be installed prior to incorporating this STC.

Date of Application: August 17, 1988 Date Reissued:

Date of Issuance: . February 8, 1989 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Le thett TOMINISTRAIOS MICHAEL H. BORFITZ Sienature) Denver Aircraft Certification Field Office Supervisor Nortowest Mountain Region, Aurora, Colorado

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA4040NM This approval should not be extended to other aircraft of these models 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.

**47 PAGE 3 OF 3 PAGES**

## Every issue (1)

- February 8, 1989: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ee/01/ee01ea06ea5fee0309d0385e57ae30d8e5cfc8e4c41293b4396ede667cc29078)

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