# STC SA2661SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Maule Aerospace Technologies, Inc, United States
- Description: Installation of Allison 250-B17C gas turbine engine, Edo Model 797-2500 amphibious floats, Hartzell Model HC-B3TF-7A/T10173F-11R or HC-B3TF-7AT10173F-11R propellers
- Applied: February 3, 1989
- Status date: March 8, 1995
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A23](https://openairdocs.org/tcds/3A23)
- Certificate PDF: https://openairdocs.org/files/sha256/24/0b/240b75f1095228710c96bd6574d4e91fe266e88f1652fa4b139d43643c2e02e2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3A7FDA5876D5315985256CC20008C6FD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2661SO

## ADs that name it (2)

- [AD 2000-09-06](https://openairdocs.org/ad/2000-09-06): Sleeve Terminal Ends · Allison 250-B17C gas turbine engine, Edo Model 797-2500… (Maule Aerospace Technologies STC SA2661SO). Effective May 30, 2000. Named in the applicability
- [AD 97-26-14](https://openairdocs.org/ad/97-26-14): Airplane Flight Manual - Power Levers · Allison 250-B17C gas turbine engine, Edo Model 797-2500… (Maule Aerospace Technologies STC SA2661SO). Effective Jan 28, 1998. Named in the applicability

## Approved models (2)

- Maule Aerospace Technology Inc. M-7-235 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-7-235A ([TCDS 3A23](https://openairdocs.org/tcds/3A23))

## What the certificate says

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

## Every issue (1)

- March 8, 1995: Amended, Current. [certificate](https://openairdocs.org/files/sha256/24/0b/240b75f1095228710c96bd6574d4e91fe266e88f1652fa4b139d43643c2e02e2)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.