# STC SA1903SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Eastern Airlines, Inc, United States
- Description: Modification of aircraft wiring(Engine Ignition System) and installation of Ignition Power Transfer Panel.
- Status date: March 12, 1986
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A35EU](https://openairdocs.org/tcds/A35EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C856C4CA04733CAC85256CC10083D278.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1903SO

## ADs that name it (0)

None.

## Approved models (3)

- Airbus A300 B2-203 ([TCDS A35EU](https://openairdocs.org/tcds/A35EU))
- Airbus A300 B4-103 ([TCDS A35EU](https://openairdocs.org/tcds/A35EU))
- Airbus A300 B4-203 ([TCDS A35EU](https://openairdocs.org/tcds/A35EU))

---
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.