# STC SA1483NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Seaplane Flying Inc, United States
- Description: Installation of Lycoming IO-540K, L. P. and S series engine, modified engine mount, Harrison oil cooler, Hartzell model AP18AV06-03 oil cooler, Hartzell HC-C2YK-1BF/F8475R-2 propeller and associated systems
- Applied: January 14, 1982
- Status date: March 29, 1982
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- Certificate PDF: https://openairdocs.org/files/sha256/b0/c3/b0c3259a573ecb81f6635f10b27238893e601214f7a53ec66135c46cc8d49381
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4887A6FEA055A27786256D43006E34FC.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1483NM

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Cessna Aircraft Company A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Shited States of Smarina Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA1483NM Mis crificate, sued le Seaplane Flying, InC.

Purt 3 oftle Civil Air Puzulations:

Original Product -Type bertificate Number: 3A24 Make: Cessna Description of Type Design Change: Installation of Lycoming 10-540-K, L, P and S Series engine, modified engine mount, Harrison Model AP18AV06-03 oil cooler, Mull: A185E, A185F (Landplane/skiplane/floatplane/ and amphibian) Hartzell HC-C2YK-1BF/F8475R-2 propeller and associated systems in accordance with Seaplane Flying, Inc.. Installation Instruction Drawing No. SFC 1851.

fimilalinsand banditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate and Airplane Flight Manual Supplement, shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: January 14, 1982 Lute rissad:

Gale f issuance March 29, 1982 Date Amended:

FEDERAL AVIATION an of the Administrater Celifier, Seattle Area Aircraft (Signature ) TOMINISTRAT Certification Office 47 FAA FoR 8110-2 (10-68)

## Every issue (1)

- March 29, 1982: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b0/c3/b0c3259a573ecb81f6635f10b27238893e601214f7a53ec66135c46cc8d49381)

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