# STC SA287NE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Airborne Express Air Inc., United States
- Description: Replace Rotax wild frequency generators and voltage controllers with Bendix 28B135-168 alternator and 20B100-2A voltage controller.
- Applied: March 20, 1984
- Status date: February 23, 1987
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS A1PC](https://openairdocs.org/tcds/A1PC)
- Certificate PDF: https://openairdocs.org/files/sha256/6d/70/6d702e25b6b5215eb84462054f7c4f8f3a804e57298bec84f166e2ac2e65ef21
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137333077720260720175746.0001
- DRS record last changed: July 20, 2026
- Page: https://openairdocs.org/stc/SA287NE

## ADs that name it (0)

None.

## Approved models (4)

- Mitsubishi Heavy Industries Ltd. YS-11A-200 ([TCDS A1PC](https://openairdocs.org/tcds/A1PC))
- Mitsubishi Heavy Industries Ltd. YS-11A-300 ([TCDS A1PC](https://openairdocs.org/tcds/A1PC))
- Mitsubishi Heavy Industries Ltd. YS-11A-500 ([TCDS A1PC](https://openairdocs.org/tcds/A1PC))
- Mitsubishi Heavy Industries Ltd. YS-11A-600 ([TCDS A1PC](https://openairdocs.org/tcds/A1PC))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (3)

- February 23, 1987: Amended, Current. [certificate](https://openairdocs.org/files/sha256/6d/70/6d702e25b6b5215eb84462054f7c4f8f3a804e57298bec84f166e2ac2e65ef21)
- January 2, 1985: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/7c/ab/7cab23a97de011f485c1705fb271ffd44f6448137fc50e4bc47a50ac5e3c3336)
- August 23, 1984: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/15/fe/15fe2a30b914c11be634be0a5f5c9a4e5b3618bc09e0f4d202bbd4d247f14ad3)

---
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.