# STC SA1933SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: American Airlines Inc, United States
- Description: Installation of emergency escape path lighting system.
- Applied: May 2, 1986
- Status date: December 30, 2015
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20EU](https://openairdocs.org/tcds/A20EU)
- Certificate PDF: https://openairdocs.org/files/sha256/dd/58/dd58ea6c8509e21733745c710ac69e1d1f3d26ff72aa7dfe3282c560a5861852
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8226663003978BB186257F6B0054475D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1933SO

## ADs that name it (0)

None.

## Approved models (2)

- Fokker Services B.V. F.28 Mark 1000 ([TCDS A20EU](https://openairdocs.org/tcds/A20EU))
- Fokker Services B.V. F.28 Mark 4000 ([TCDS A20EU](https://openairdocs.org/tcds/A20EU))

## 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 SA1933SO American Airlines, Inc.

3900 N. Mingo Road Engineering Dept., MD 208 Tulsa, Oklahoma 74116 Federal Aviation Regulations.

1. Installation of Emergency Escape Path Lighting System in accordance with the following Piedmont Engineering Authorizations as dated below or later FAA approved revisions:

a. F28-033 Rev. B (6/5/86) and F28-034 Rev. B (6/4/86) for F28-MK1000

b. F28-035 Rev. B (6/5/86) and F28-036 Rev. B (6/4/86) for F28-MK4000

c. F28-229, Issue A (11/25/87) for F28-MK4000

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Gaetano Sciortino Manager New York Aircraft Certification Office Fokker Services B.V.

F-28-MK1000, F28-MK4000 June 01, 1989, December 4, 2015, December 30, 2015 March 22, 1988 May 02, 1986 June 13, 1986 A20EU 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 SA1933SO

## Every issue (2)

- December 30, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/dd/58/dd58ea6c8509e21733745c710ac69e1d1f3d26ff72aa7dfe3282c560a5861852)
- December 4, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/c0/43/c043708fa179c814d1320493fc9a9a4ccf4f488c6b5b3293193c7afa47e88c10)

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