# STC SA177EA

- 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), [TCDS A-777](https://openairdocs.org/tcds/A-777)
- Certificate PDF: https://openairdocs.org/files/sha256/15/fc/15fcd7568994af687e41956e51f2942c1711c665a7652bba3315bd6d8b4a5d1b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/57D2388026DB6FD185256CC10083D057.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA177EA

## ADs that name it (0)

None.

## Approved models (16)

- Raytheon Aircraft Company 35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company 35-33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company 35-A33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company 35R ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company A35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company B35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company C35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company D35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company E35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company F35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company G35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Raytheon Aircraft Company H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company K35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company M35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company N35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: 777E:

This certificate issued to: Rosenount Engineering Company 12001 West 70ch Street Iden Prairie, Manesota 55343 Purt 3 of the Civil Air Regulations:

Original Product -TypebertificateNumter: A-777, 3015 Make: Beech Mertel: 783, 353, 535, 9233, 333, 33к, 33-35, 35-133 Description of Type Design Change:

Installation of Monicaix Angie of hetach System Model 11-2 in accordance mich Honitai: Draving List 20-105 dated 12/23/63, Revision A dated 2/17/64.

Limitationsundbenditune: 1. The following placard is required to be adjacent to the Angle of Attack indicator:

WAngle of Attack: is a supplementary Slight instrunent; it does not replace the stall warning device".

This approval should not be incorporated in any aircrart or chese specitic move!

on which other approved modifications are incorporated, unless it is determined that rendered, suspended, verked, or a termination dute is therwise estuldished loy the Administrator of the Federal Aviation Administration .

Date of Application: 23 December 1963 Date Reissued: 14 February 1972 Date of Issuance: 19 February 1964 Date Amended:

FEDERAL AVIATION By Direction of the Administrator riginal signed oy "(Signature) 01okau W. F. HORTON TOMINISTRATO Chief, Engincering and Manufacturing Branch

47.

## Every issue (1)

- February 14, 1972: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/15/fc/15fcd7568994af687e41956e51f2942c1711c665a7652bba3315bd6d8b4a5d1b)

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