# STC SA1290SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: American Airlines Inc, United States
- Description: Installation of a Dalmo Victor Beacon Collision Avoidance System (BCAS).
- Applied: June 22, 1981
- Status date: December 30, 2015
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/c9/9f/c99f13e62c0a78bd9ac898811408f938d99203daf4e74acd6d4f98918a1b4f91
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CA037D3A6950E3A586257F690077C141.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1290SO

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 727-100 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- The Boeing Company 727-200 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

## 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.

FAA Form 8110-2 (5/14) Page 1 of

Part of the

Signature

Title SA1290SO American Airlines, Inc.

3900 N. Mingo Road Engineering Dept., MD 208 Tulsa, Oklahoma 74116 Civil Air Regulations.

4b

1. Installation of a Dalmo Victor Beacon Collision Avoidance System (BCAS) in accordance with Piedmont Aviation Master Drawing List 81-2 dated October 26, 1981, or later FAA approved revision.

1. This installation is based on a no-hazard to airplane operation and will be used as a means to gather BCAS data only.

2. You cannot use descriptive data about this design change to duplicate other products. This approval is limited to only the installation made in Boeing Models 727-100, Serial No. 18858, and 727-200, serial number 20165 only.

Gaetano Sciortino Manager New York Aircraft Certification Office The Boeing Company 727-100, 727-200 June 01, 1989, December 4, 2015, December 30, 2015 June 22, 1981 November 05, 1981 A3WE 2 “Reissued on December 4, 2015, to supersede the original STC, which has been lost or misplaced.”

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

2 SA1290SO

## Every issue (2)

- December 30, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c9/9f/c99f13e62c0a78bd9ac898811408f938d99203daf4e74acd6d4f98918a1b4f91)
- December 4, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/eb/3e/eb3e1100a915ef8f297661d9888af47cc33826314c03875fbdc2cae12208b44b)

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