# STC ST00298WI

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Midcoast Aviation Inc, United States
- Description: Installation of AlliedSignal CAS 67A traffic alert and collision avoidance system (TCAS II) and MST-67A Mode S transponder (dual).
- Status date: March 22, 1995
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EFAA7816628AE64C85256CC2006A723F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00298WI

## ADs that name it (0)

None.

## Approved models (3)

- Gulfstream Aerospace Corporation G-1159 ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))
- Gulfstream Aerospace Corporation G-1159A ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))
- Gulfstream Aerospace Corporation G-1159B ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))

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