# STC SA3-538

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Rock Island Oil & Refining Co. Inc., United States
- Description: Install 95 gallon Outboard Wing Fuel Tanks in each wing.
- Applied: August 6, 1965
- Status date: June 25, 1965
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: TCDS L-3-4
- Certificate PDF: https://openairdocs.org/files/sha256/0a/22/0a2299b0223c8c00f487a1a4905823ae1162039b8c35a3348382c2b5db9ee142
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0AA27C90679E5FF886257C55006A7E09.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3-538

## 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

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

FEDERAL AVIATION AGENCY Supplemental Type Certificate

1. NAME AND ADDRESS OF APPLICANT ROCK ISLAND OIL & REFINING CO.,INC Aircraft Division 321 West Douglas Wichita, Kansas FORM APPROVED, BUDGET BUREAU NO. 04-RO15

**INSTRUCTIONS BUBMIT IN TRI FLICATE TO LOCAL FAA FLIGHT STANDARDE INSPECTOR.**

**COPY WILL BE RETURNED TO APPLICANT UPON**

ISSUANCE Supplemental Type Certificate APPLIED FORT

- SHOING D PAPPELLER

ORIGINAL MODEL DESIONATION Douglas B-26 B or C (formerit A 26) NEW MODEL DESICNATION (X/ dealrod)

2. DESCRIPTION OF CHANGE Instell 95 gallon Outboará Wing Fuel Tanks in each wing in accordactivete conter acction fuol tank in bomb bay, Actach Airplane Plight Hanual supples aut dated Auguet: 19, 1963 to the besiu penal in the airplane. If STE PA3-537 is also incorporated, reviaion 1, dated 7/28/60, to Airplene Pligh maul, dated 7/18/60, pay be subetituted for the above suppiewent.

LIMITATION OF AHICADDITY This approval should not bo extended to other specific sir- 4AG WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS? YES PARTS BE MANUFACTURED FOR SALE (R.!. CAR 1.53)1 YES • NQ

5. SIGUATURE AND TITLE OF APPLICANT Smolete August 6, 1965 SIANATURE S. S. McDonald Jr. Mgra, Aircraft Div Date of Application:

**TITLE**

6. To be Completed by FAT

TURE AND LOCATION OF DATA Descriptive and substantiating data filed PA Centza! Region, Pligit Staudards Bugineering and Manufacturing Branch, Kansas City, Missouri.

Basis for approval: CAR 9 (Specific criteria for this change provided by CAR O 4b dated Nevember 9, 1945.)

ORIGINAL TYPE CERTIFICATE NO. FAA APPROVAL LTC-3 Supplemental Type Certificate NO. SA3-538 ORIGINAL SIGNED BY 1 4 492017 DATE OF APPROVAL AUgUOt 8, 19G0 Engineering & Manufacturin: Branci John A. Carran, Chiel Amended 6/19/63, 6/25/65 TiTLE FORM FAA -2417 (5-59)

## Every issue (1)

- June 25, 1965: Amended, Current. [certificate](https://openairdocs.org/files/sha256/0a/22/0a2299b0223c8c00f487a1a4905823ae1162039b8c35a3348382c2b5db9ee142)

---
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.
