# STC ST134CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: ERDA, Inc, United States
- Description: Installation of ERDA digital seatfone kit, P/N 210011, onto Trans Aero '949xxx' series aircraft seats.
- Applied: September 1, 1993
- Status date: November 22, 1993
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/16/5b/165b1df89b03b014957b2ce3b6628375f2601268c4f9d54ea4edef3e5629713d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112470102420260831154541.0001
- DRS record last changed: August 31, 2026
- Page: https://openairdocs.org/stc/ST134CH

## ADs that name it (0)

None.

## Approved models (1)

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

## What the certificate says

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

## Every issue (1)

- November 22, 1993: Issued, Current. [certificate](https://openairdocs.org/files/sha256/16/5b/165b1df89b03b014957b2ce3b6628375f2601268c4f9d54ea4edef3e5629713d)

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