# STC SA2776NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: OAE Concepts Inc, United States
- Description: Installation of exhaust gas analyzer system.
- Applied: August 30, 1986
- Status date: March 4, 1987
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A19](https://openairdocs.org/tcds/3A19)
- Certificate PDF: https://openairdocs.org/files/sha256/ef/0f/ef0ff1486637ad781560023c47fdede39c65636525f3a03c3f180af2ac1a332a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/201AED92D013823F85256CC20008C8DE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2776NM

## ADs that name it (0)

None.

## Approved models (4)

- Cessna Aircraft Company 150 ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150A ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150B ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 150C ([TCDS 3A19](https://openairdocs.org/tcds/3A19))

## 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: SA27761M This certificate issued to: OAE Concepts, Inc.

P. O. Box 11196 Boulder, Colorado 80301 Part 3 of the CiV iT A ir Regulations.

Original Product -Type bertificate Number: 3A19 Make: Cessna Model:

150, 150A, 150B, 150C Description of Type Design Change:

Installation of exhaust gas analyzer system in accordance with OAE Concepts drawing list EGA 2AC150, dated May 19, 1986, FAA approved March 4, 1981, or later FAA approved revisions.

1. FAA approved Supplemental Flight Manual, dated March 4, 1987, or later FAA approved revision is required.

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any other previously approved modification will introduce no adverse effect upon the airworthiness of the airplane

Date of Application: August 30, 1986 Date Reissued:

Date of Issuance: . March 4, 1987 Date Amended:

FEDERAL AVIATION By Direction of the Administrator

1. Chud David T. Grossman (Signature) Manager TOMINISTRATO Denver Aircraft Certification Office Northwest Mountain Region, Aurora, Colorado

## Every issue (1)

- March 4, 1987: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ef/0f/ef0ff1486637ad781560023c47fdede39c65636525f3a03c3f180af2ac1a332a)

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