# STC SA178EA

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Rosemount Engineering Co, United States
- Description: Installation of Monitair angle of attach system, Model AA-2.
- Applied: December 23, 1963
- Status date: February 14, 1972
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/b7/55/b755171a9174bb16083a15a8123f577cfc5728dbc136b9f8cda7508119954db2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/18DBD2112D43DDF3862585D7000F2350.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA178EA

## ADs that name it (0)

None.

## Approved models (2)

- Raytheon Aircraft Company 35-B33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company P35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## What the certificate says

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

## Every issue (1)

- February 14, 1972: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b7/55/b755171a9174bb16083a15a8123f577cfc5728dbc136b9f8cda7508119954db2)

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