# STC SA5669NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Shark Air Aviation Inc, United States
- Description: Replacement of Pratt & Whitney PT6A-20 engine with PT6A-6B model.
- Applied: January 16, 1992
- Status date: January 30, 1992
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 7A15](https://openairdocs.org/tcds/7A15)
- Certificate PDF: https://openairdocs.org/files/sha256/bc/68/bc68bc5541ce3d83640d3320bc7ec3ac15f57e701838bc9143860629a03aa49a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2927FAB51522029D85256CC200122A8F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA5669NM

## ADs that name it (0)

None.

## Approved models (1)

- Pilatus Aircraft Limited PC-6/B1-H2 ([TCDS 7A15](https://openairdocs.org/tcds/7A15))

## 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: SA5669NM This certificate issued to: Shark Air Aviation, InC.

Purt 3 of the CIVIl Air Regulations.

Original Product -Type bertificate Number: 7A15 Make: Pilatus Model: PC -6/B1-H2 Description of Type Design Change: Replacement of Pratt and Whitney PT6A-20 engine with PT6A-6B model.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for other aircraft. This approval is limited to the installation in Model PC-6/B1-H2 aircraft, Serial No. 631, R/N N631SA, only. A copy of this Certificate, Continuation Sheet and FAA Approved Flight Manual Supplement dated January 29, 1991, must be maintained as part of the permanent records for the modified aircraft.

(continued on page 3) I ate unended:

January 30, 1992 FEDERAL AVIATION By Direction of the Administrator stewat Kmilles (Signature TAMINIS RATO Assistant Manager, Seattle Aircraft Certification Office (Tille)

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA56691M Limitations and Conditions:

The conditions and limitations of the Type Certificate Data Sheet No. 7A15 apply except where superseded by the following:

Engine Pratt and Whitney PT6A-6B.

REQUIRED ENGINE INSTRUMENT MARKINGS:

Torquemeter (PSIG) :

green arc (normal range) 0 to 38.5 yellow arc (cautionary range) 38.5 to 42.5 red radial (maximum, takeoff or reverse) 42.5 red arrow 48.5 Turbine Inlet Temperature Gauge (degrees Celsius) :

green arc (normal range) 500 to 952 yellow arc (cautionary range) 952 to 994 red radial (maximum, takeoff or reverse) 994 red arrow 1038 Oil Temperature Gauge (degrees Celsius) :

yellow arc (cautionary range) below 10 green arc (normal range) 10 to 85 yellow arc (cautionary range) 85 to 91 red radial (maximum) 91

**FAA FORM 8110-2-1 (10-69) PAGE OF 3 PAGES**

## Every issue (1)

- January 30, 1992: Issued, Current. [certificate](https://openairdocs.org/files/sha256/bc/68/bc68bc5541ce3d83640d3320bc7ec3ac15f57e701838bc9143860629a03aa49a)

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