# STC SA7958SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Weber Aircraft, United States
- Description: Installation of electrical provisions for electrically operated first class seats.
- Applied: January 16, 1991
- Status date: April 15, 1991
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE)
- Certificate PDF: https://openairdocs.org/files/sha256/ee/ef/eeefbc1793551c1a09f2029eeb0356495feac4380e0f9158b7170b3e72c15c08
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F2D8FFA96BFDFD6585256CC20058E4F6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA7958SW

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation MD-11 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

tinted gtatti ^Department of transportation -federal flotation administration Supplemental Itupc Certificate SA7958SW Weber Aircraft 2000 Weber Dr.

Gainesville, TX 76240 150-371 RRM ^^T£L^ '«&^iV,* * \\ ~// i+* • ^&&& m 25 *^JA* Federal Aviation A22WE Me DONNELL DOUGLAS : MD-11 Installation of electrical provisions for electrically operated first class seats in a Me Donnell Douglas MD-11 airplane in accordance with Weber Aircraft Drawing List DL1009 Revision B, dated January 20, 1991 or later FAA approved revision.

This approval is limited to Me Donnell Douglas MD-11 airplane, serial numbers 891 and 892 because of installer specific installation data. Compatibility of this modification with previously installed equipment must be determined by installer.

^ ««,: January 16, 1991 April 15, 1991 . • (Signally t) .

Michele Owsley, Acting Manager Airplane Certification Office (Till')

This ttrtificate may bt trensfentd in iccordcnce with FAR 21.17.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number .

to (Name of transferee) (Address of transferee) (Number and street) (City, State, and <7/> code) from (Name of grantor) (Print or type) (Address of grantor) r and street) t C.ilv. Stale, and ^IT rode I Extent of Authority (if licensing agreement): __ Date of Transfer:

Signature of grantor (In ink):

## Every issue (1)

- April 15, 1991: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ee/ef/eeefbc1793551c1a09f2029eeb0356495feac4380e0f9158b7170b3e72c15c08)

---
From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.
