# STC SA750WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Northwest Airlines, Inc., United States
- Description: Installation of overspeed warning system.
- Applied: February 28, 1964
- Status date: November 14, 1986
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS 7A1](https://openairdocs.org/tcds/7A1)
- Certificate PDF: https://openairdocs.org/files/sha256/21/2a/212a2153aabc82e05592643a0b2bcd7a1d1c5597690bdc949390980d8fd31ff5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128023791720260722181559.0001
- DRS record last changed: July 22, 2026
- Page: https://openairdocs.org/stc/SA750WE

## ADs that name it (0)

None.

## Approved models (1)

- Fairchild Industries Inc. F27-A ([TCDS 7A1](https://openairdocs.org/tcds/7A1))

## 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 REISSUED TO REPLACE ORIGINAL, WHICH WAS REPORTED LOST.

Number: SA750NE This certificate issued to: . Northwest Airlines, INC. 2700 Lone Oak Parkway Eagan, MN 55124 Pur 4B of the CIVil Air Regulations. as shown on page 3 of T.C. Data Sheet No. 7A1 and SR450A.

Original Product -Iype Bertificate Number: TA1 Make: Fairchild Model: F-27A Description of Type Design Change:

Installation of overspeed warning system per SR-450A as described in Bonanza's Engineering Change Order No. 34-10-02 (FAA Sealed).

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

Date of Application: February 28, 1964 Dulerissued: October 13, 1982, November 14, 1986 Date of Issuance: . July 29, 1964 Date Amended: January 7, 1965 FEDERAL AVIATION Buy dieti i the Amirister CMINISTRAIOS Manager nagerorChicago Aircraft Certification Office, ACE-115C, Central Region, FAA. (Signature ) (1 itle )

47.

## Every issue (1)

- November 14, 1986: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/21/2a/212a2153aabc82e05592643a0b2bcd7a1d1c5597690bdc949390980d8fd31ff5)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
