# STC SA798EA

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Rosemount Engineering Co, United States
- Description: Installation of Monitair exhaust gas combustion monitor kit.
- Status date: February 14, 1972
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A9EU](https://openairdocs.org/tcds/A9EU), [TCDS A-702](https://openairdocs.org/tcds/A-702), [TCDS A-728](https://openairdocs.org/tcds/A-728), [TCDS A-751](https://openairdocs.org/tcds/A-751), [TCDS A-802](https://openairdocs.org/tcds/A-802), [TCDS A11WE](https://openairdocs.org/tcds/A11WE), [TCDS A17WE](https://openairdocs.org/tcds/A17WE), [TCDS A-758](https://openairdocs.org/tcds/A-758), [TCDS A4WE](https://openairdocs.org/tcds/A4WE), [TCDS A7WE](https://openairdocs.org/tcds/A7WE), [TCDS 1A8](https://openairdocs.org/tcds/1A8), [TCDS A2EA](https://openairdocs.org/tcds/A2EA), [TCDS A-759](https://openairdocs.org/tcds/A-759), [TCDS A-761](https://openairdocs.org/tcds/A-761), [TCDS A-796](https://openairdocs.org/tcds/A-796), [TCDS A3CE](https://openairdocs.org/tcds/A3CE), [TCDS 4A19](https://openairdocs.org/tcds/4A19), [TCDS 1A3](https://openairdocs.org/tcds/1A3), [TCDS A-773](https://openairdocs.org/tcds/A-773), [TCDS 1A9](https://openairdocs.org/tcds/1A9) and 68 more
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CC056D0194F7477885256CC20058E514.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA798EA

## ADs that name it (0)

None.

## Approved models (172, first 50)

- Aermacchi S.p.A. S.205-18/F ([TCDS A9EU](https://openairdocs.org/tcds/A9EU))
- Aermacchi S.p.A. S.205-18/R ([TCDS A9EU](https://openairdocs.org/tcds/A9EU))
- Aermacchi S.p.A. S.205-20/F ([TCDS A9EU](https://openairdocs.org/tcds/A9EU))
- Aermacchi S.p.A. S.205-20/R ([TCDS A9EU](https://openairdocs.org/tcds/A9EU))
- Aermacchi S.p.A. S.205-22/R ([TCDS A9EU](https://openairdocs.org/tcds/A9EU))
- Aeronca Aircraft Corporation (L-3G) 65-LB ([TCDS A-702](https://openairdocs.org/tcds/A-702))
- Aeronca Aircraft Corporation 15AC ([TCDS A-802](https://openairdocs.org/tcds/A-802))
- Aeronca Aircraft Corporation 50-LA ([TCDS A-702](https://openairdocs.org/tcds/A-702))
- Aeronca Aircraft Corporation 50-TC ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 50-TL ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 50L ([TCDS A-702](https://openairdocs.org/tcds/A-702))
- Aeronca Aircraft Corporation 60-TF ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 65-LA ([TCDS A-702](https://openairdocs.org/tcds/A-702))
- Aeronca Aircraft Corporation 65-TAC (Army L-3E) ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 65-TAF (Army L-3D) ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 65-TAL ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 65-TC (Army L-3J) ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 65-TF ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation 65-TL ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aeronca Aircraft Corporation O-58A (Army L-3A) ([TCDS A-751](https://openairdocs.org/tcds/A-751))
- Aeronca Aircraft Corporation O-58B (Army L-3B) ([TCDS A-751](https://openairdocs.org/tcds/A-751))
- Aeronca Aircraft Corporation O-58B (Army L-3C) ([TCDS A-751](https://openairdocs.org/tcds/A-751))
- Aeronca Aircraft Corporation S15AC ([TCDS A-802](https://openairdocs.org/tcds/A-802))
- Aeronca Aircraft Corporation SO-58B ([TCDS A-751](https://openairdocs.org/tcds/A-751))
- Aeronca Aircraft Corporation YO-58 (Army L-3) ([TCDS A-728](https://openairdocs.org/tcds/A-728))
- Aerostar Aircraft Corporation 360 ([TCDS A11WE](https://openairdocs.org/tcds/A11WE))
- Aerostar Aircraft Corporation 400 ([TCDS A11WE](https://openairdocs.org/tcds/A11WE))
- Aerostar Aircraft Corporation PA-60-600 (Aerostar 600) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE))
- Aerostar Aircraft Corporation PA-60-601 (Aerostar 601) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE))
- Aircraft Parts & Development Corp. A ([TCDS A-758](https://openairdocs.org/tcds/A-758))
- Aircraft Parts & Development Corp. A-9A ([TCDS A4WE](https://openairdocs.org/tcds/A4WE))
- Airplane Services Inc. B-1 (Restricted Cat.) ([TCDS A7WE](https://openairdocs.org/tcds/A7WE))
- Airplane Services Inc. B-1A (Restricted Cat.) ([TCDS A7WE](https://openairdocs.org/tcds/A7WE))
- Alliance Aircraft Group LLC 500 ([TCDS A2EA](https://openairdocs.org/tcds/A2EA))
- Alliance Aircraft Group LLC H-250 ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Alliance Aircraft Group LLC H-295 (USAF U-10D) ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Alliance Aircraft Group LLC H-391 (USAF YL-24) ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- Alliance Aircraft Group LLC H-395 (USAF L-28A or U-10B) ([TCDS 1A8](https://openairdocs.org/tcds/1A8))
- American Champion Aircraft Corp. 11AC ([TCDS A-761](https://openairdocs.org/tcds/A-761))
- American Champion Aircraft Corp. 11BC ([TCDS A-761](https://openairdocs.org/tcds/A-761))
- American Champion Aircraft Corp. 11CC ([TCDS A-796](https://openairdocs.org/tcds/A-796))
- American Champion Aircraft Corp. 7 Series ([TCDS A-759](https://openairdocs.org/tcds/A-759))
- American Champion Aircraft Corp. Champion 402 ([TCDS A3CE](https://openairdocs.org/tcds/A3CE))
- American Champion Aircraft Corp. S11CC ([TCDS A-796](https://openairdocs.org/tcds/A-796))
- Augustair Inc. 2150 ([TCDS 4A19](https://openairdocs.org/tcds/4A19))
- Bellanca Aircraft Corporation 14-13 Series ([TCDS A-773](https://openairdocs.org/tcds/A-773))
- Bellanca Aircraft Corporation 14-19 ([TCDS 1A3](https://openairdocs.org/tcds/1A3))
- Bellanca Aircraft Corporation 17-30 ([TCDS 1A3](https://openairdocs.org/tcds/1A3))
- Bellanca Aircraft Corporation 17-31 ([TCDS 1A3](https://openairdocs.org/tcds/1A3))
- Booth Lee F. dba Taylorcraft Aerospace 19 ([TCDS 1A9](https://openairdocs.org/tcds/1A9))

All 172: https://openairdocs.org/stc/SA798EA/models.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.