# STC SA2600NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Seaplane Flying Inc, United States
- Description: Installation of a Continental TSIO-520-T Engine, McCauley D3A34C402/90DFA-10 Propeller and Associated Systems
- Applied: March 6, 1984
- Status date: July 18, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- Certificate PDF: https://openairdocs.org/files/sha256/86/8f/868f17e59049d4984a9a045e8ba9ceafe82b45bd63ed92a4ea351ae99694ce47
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F9C2550675EF346A862579D000531017.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2600NM

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 185E ([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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2600NM This certificate issued to: Seaplane Flying, Inc.

Part 3 of the Civil Air Regulations:

Original Product - Type bertificate Number: 3A24 Make: Cessna Model: A185E (Landplane, Floatplane, Skiplane) Description of Type Design Change:

Installation of a Continental TSI0-520-I Engine, McCauley D3A34C402/90DFA-10 Propeller and Associated Systems in accordance with Seaplane Flying, Inc.

Photographs (1) through (5).

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Cessna A185E, Serial Number 18501653 only. This data is applicable when the airplane 1s equipped with Pee Kay Devore Model C3500 Floats or Fluidyne Model 4000 Skis. A copy of this Certificate and FAA Approved Airplane Flight Manual Supplement shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: March 6, 1984 Date Reissued:

Date of Issuance: May 23, 1984 Date Amended: July 18, 1984 FEDERAL AVIATION By Direction of the Administrator ( Signature) * MINISTRATO Manager, Seattle Aircraft Certification Office (Title)

47.

FAA FORm B110-2 (10-68)

## Every issue (1)

- July 18, 1984: Amended, Current. [certificate](https://openairdocs.org/files/sha256/86/8f/868f17e59049d4984a9a045e8ba9ceafe82b45bd63ed92a4ea351ae99694ce47)

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