# STC ST247CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: ABX Air Incorporated, United States
- Description: Installation of Ametek turbine gas temperature indicator model no. 10575N01F01, and Jet standby horizon model no. AI-330P.
- Applied: April 21, 1994
- Status date: August 24, 1994
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS A1PC](https://openairdocs.org/tcds/A1PC)
- Certificate PDF: https://openairdocs.org/files/sha256/30/6a/306a7fd94e6fe9bfa93652724269d252e6133520b53b077d3d59cd214d33fd4e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189826998020260831162110.0001
- DRS record last changed: August 31, 2026
- Page: https://openairdocs.org/stc/ST247CH

## ADs that name it (0)

None.

## Approved models (1)

- Mitsubishi Heavy Industries Ltd. YS-11A-500 ([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 (1)

- August 24, 1994: Issued, Current. [certificate](https://openairdocs.org/files/sha256/30/6a/306a7fd94e6fe9bfa93652724269d252e6133520b53b077d3d59cd214d33fd4e)

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