STC SA831CE

Supplemental type certificate · Northwest Airlines Inc.

Holder
Northwest Airlines Inc. · United States
Status
Current · Issued
Status date
March 7, 1971
Applied
December 30, 1971
Product
Aircraft · Large Airplane
Data sheet
TCDS4A26

From FAA DRS, with our copy of the certificate PDF. DRS record last changed July 22, 2026.

What it approves

Installation of Aerotherm stretcher model 1003

What the certificate saysOCR

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 SA831CE This certificate issued to: Northwest Airlines, Inc.

Minneapolis - St. Paul International Airport St. Paul, Minnesota 55111 Certifies that the change in the type design for the felling product with the limitations and conditions therefor as specifed hereon meets the winerrhiness requirements s/ Purl 4b of'the Civil Air Regulations.

Original Product -Type Certificate Number: 4A26 Make: Boeing Mertel: 707-351B, -351C Description of Type Design Change:

Installation of Acrotherm stretcher Model 1003 in accordance with a stamped "FAA Approved" copy of NWA Engineering Order No. 9-25-33111 and subordinate data.

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 inter-relationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

CARRAN, Chief (Title) Any alteration of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
The Boeing Company707-300 Series4A26