# STC SA3308NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Seaplane Flying Inc, United States
- Description: Installation of Lycoming O-360-A4K engine
- Applied: June 5, 1985
- Status date: February 4, 1986
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A16EA](https://openairdocs.org/tcds/A16EA)
- Certificate PDF: https://openairdocs.org/files/sha256/90/e4/90e44e6c712774983b7895781f94370cc89859ee8b8d7d157ad541167b7a9363
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BC0725567FFFB25586257A14004A6CA5.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3308NM

## ADs that name it (0)

None.

## Approved models (1)

- True Flight Holdings LLC AA-5B ([TCDS A16EA](https://openairdocs.org/tcds/A16EA))

## 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: SA3308NM This certificate issued to: Seaplane Flying, Inc.

Part 23 of the CIVil Air Regulations:

Original Product - Type Certificate Number: A 16EA Make: Gulfstream Aerospace Model: AA5B Tiger Description of Type Design Change:

Installation of Lycoming 0-360-A4K engine as modified for turbosupercharger operation Supplemental Type Certificate No. SE3309NM to maintain 29 INHG maximum manifold pressure during turbosupercharger operation for takeoff and initial climb with two minute limit, and 27 INHG continuous, at 2700 RPM. This modification is in accordance with Seaplane Flying, Inc. 'Grumman Tiger Turbo System Installation Instructions."

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Gulfstream Aerospace model AA5B aircraft, Serial Number AA5B-0298 only. A copy of this Certificate and Flight Manual Supplement shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: June 5, 1985 Date Reissued:

Date of Issuance: February 4, 1986 Date Amended:

FÉDERAL AVIATION By Direction of the Administrator , ignature TOMINIST RANDO Acting Manager Seattle Aircraft Certification Office (Title)

47.

## Every issue (1)

- February 4, 1986: Issued, Current. [certificate](https://openairdocs.org/files/sha256/90/e4/90e44e6c712774983b7895781f94370cc89859ee8b8d7d157ad541167b7a9363)

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