# STC SA4-1219

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Vanaero Company, United States
- Description: Fuselage pressurization, higher horsepower engines and nose wheel steering modification and autopilot installation.
- Applied: November 8, 1960
- Status date: August 6, 2007
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: TCDS L-3-4
- Certificate PDF: https://openairdocs.org/files/sha256/ec/7c/ec7c148a21e3ef2233e7b2a4ac7983a1d39d1edb94269a510839865a6dada0d9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/38A37698F6392A3B86257356005CFD1B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-1219

## ADs that name it (0)

None.

## Approved models (2)

- Douglas Aircraft Co. Inc. Army A-26B (TCDS L-3-4)
- Douglas Aircraft Co. Inc. Army A-26C (TCDS L-3-4)

## 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.

This certificate reissued to replace certificate reported lost.

This Certificate issued to MIKE KEITHLEY MAILING ADDRESS c/o MGK AERO INC. P. O. BOX 221957 d/b/a VANAERO COMPANY NEWHALL, CA 91322-1957 25620 RYE CANYON ROAD BLDG. A VALENCIA, CALIFORNIA 91355 Part 04 & 9 of the Civil Air Regulations.

Douglas

A-26B or C Description of Type Design Change : Modifications to A-26B or C aircraft including fuselage pressurization, higher horsepower engines, nose wheel steering, autopilot installation and numerous other changes as listed in On Mark Engineering Company Master Drawing Num ber 617, “J” revision dated April 12, 1961, or later sealed revisions. Individua l modifications as well as acceptable combinations are listed on the detail drawing summaries which are part of the above noted Master Drawing Summary.

Limitations and Conditions : The approval of this change in Ty pe Design applies basically to: Standard A-26B or C only. This approval should not be extended to other specific aircraft of these models 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 m odifications will introduce no adverse effect upon the airworthiness of that aircraft. If th e holder agrees to perm it another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : November 8, 1960

Date of issuance : December 14, 1960

Date reissued : May 1, 1970; August 6, 2007

Date amended : February 15, 1965

( Signature) Manager, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office ( Title)

## Every issue (1)

- August 6, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ec/7c/ec7c148a21e3ef2233e7b2a4ac7983a1d39d1edb94269a510839865a6dada0d9)

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