# STC SA493SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: American Airlines Inc, United States
- Description: Installation of 104-passenger interior arrangement.
- Status date: March 31, 1965
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 4A10](https://openairdocs.org/tcds/4A10)
- Certificate PDF: https://openairdocs.org/files/sha256/82/89/82894d205a0594e27c0776c54b9c686d1847f8818b807afe7835fccf10e702b2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BD15DD08597DC2A086257E60007A347D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA493SW

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company DC-7B ([TCDS 4A10](https://openairdocs.org/tcds/4A10))

## 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.

**FEDERAL AVIATION AGENCY**

1. NAME AND ADDRESS OF APPLICANT American Airlines MAIHTKHAHC1 & ENG1NSHLING COHP01ATIO TULSA, OKLAHOMA 74151 FORM APPROVED, BUDGET BUREAU NO. 04-R015

**INSTRUCTIONS - SUBMIT IN TRI PLICATE TO LOCAL FAA FLIGHT STANDARDS INSPECTOR.**

**COPY WILL BE RETURNED TO APPLICANT UPON**

**ISSUANCE**

2. SUPPLEMENTAL TYPE CERTIFICATE APPLIED FOR:

ly I AIRCRAFT I I ENGINE I ] PROPELLER n ..,,... ....... , . , . _.,., .„ _ . .,.,....ORIGINAL MODEL DESIGNATION Douglas DC-7B NEW MODEL DESIGNATION (If deiired) None

3. DESCRIPTION OF CHANGE Installation of 104 passenger interior arrangement par American Airlines, Inc.

ECO GO 104 5, dated 3/31/65, and drawing BID- 1 07 IB dat*d 6/15/65.

NOTE:

Maximum operating altitude 8,000 feet for FA1 121 operations due to passenger oxygen system being removed.

(ILL DATA BE AVAILABLE FOR SALE OR RELEASE TO

b. WILL PARTS BE MANUFACTURED FOR SALE (Ref. CAS

**5. SIGNATURE AND TITLE OF APPLICANT**

DATE OF APPLICATION OTHER PERSONS? I 3tl YES [_J NO 1 .55)1 OS YES [~~1 NO

**SIGNATURE TITLE**

6. To be Completed by FAA

NATURE AND LOCATION OF DATA Data listed in item 3 above, and DBK P. C. Johnson Report No. 27 dated 4/19/65, on file at SW-210.

leference Project: T690SW-DS.

Applicable regulations: Same as original certification plus CAM 4b. 362-3.

**ORIGINAL TYPE CERTIFICATE NO. FAA AP SUPPLEMENTAL TYPE CERTIFICATE NO.**

-SA493SW DATE OF APPROVAL flPLsf,. .

3/31/65 *' Chi =ROVAL /^j:j£&&/jiZ^i££&i£i£&*-~^SI GNATURE H. ft. Slaughter ef Engineering and Manufacturing Branch Tl TLE * U.S. 60VERIHIEHT PRINT1NS OFFICE : 1959 O—509657 FORM FAA-2417 (5-59)

## Every issue (1)

- March 31, 1965: Issued, Current. [certificate](https://openairdocs.org/files/sha256/82/89/82894d205a0594e27c0776c54b9c686d1847f8818b807afe7835fccf10e702b2)

---
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.
