# STC SA2604NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Snohomish Flying Svc Inc, United States
- Description: Installation of Lycoming O-235-L2C-M engine.
- Applied: March 23, 1984
- Status date: June 13, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A19](https://openairdocs.org/tcds/3A19)
- Certificate PDF: https://openairdocs.org/files/sha256/50/c5/50c563ecd6b17d6f9bc2941b61001d544e494437375a5495a3be6a4c1f76371b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/346A7D4FB781CE3C85256CC20008C654.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2604NM

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 152 ([TCDS 3A19](https://openairdocs.org/tcds/3A19))

## What the certificate says

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

nited Stares of Simcrica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA260404 This certificate issued to: Snohamish Flying Service, Inc.

Purl 3 of the Civil Air Regulations: dated May 15, 1956, as amended by 3-4.

Original Product -Type bertificate Number: 3A19 Make: Cessna Model: 152 Cessna 152 in accordance with Snohomish Flying Service, Inc. installation Instru- Description of Type Design Change: Installation of Lycoming 0-235-I2C-M engine on ction Drawing No. DH 84002, dated May 21, 1984, or later FAA approved revisions.

above model aircraft only. This approval should not be extended to aircraft of Limilalins and bindilions: Approval of this change in type design applies to the this model on which other previously approved modifications are incorporated unless it is determined that the relationships 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 SA2604NM and Airplane Flight Manual Supplement, shall be maintained as part of the Pine/eate and supring date a pit to the los for timed ha nemain in effect until surrendered, suspended, veroked, or a lermination dale is sheruise es lablished by the Administrater of the Federal Aviation Administration Date of Application: March 23, 1984 Jule missned:

Date of Issuance: June 13, 1984 I ale unvended:

FEDERAL AVIATION By Direction of the Administrator C. L. Resen TOMINISTER OR Acting Manager, Seattle Aildratt Certification Office (Title)

**FAA PORN 8110-2 (10-6B)**

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA260ANM June 13, 1984 Limitations and Conditions: (Continued) Limitations and Conditions: shown on Type Certificate Data Sheet No. 3A19 for the Cessna Model 152 remain applicable, except as modified herein.

Model 152 ENGINE Lycoming 0-235-L2C-M (Lycoming 0-235-L2C modified per STC No. SE2364NM) FUEL 80/87 minimum grade aviation gasoline.

ENGINE LIMITS 115 H.P. @ 2800 RPM for takeoff (5 minutes) and 108 H.P. @ 2600 RPM for maximum continuous.

EQUIPMENT Snohomish Flying Service, Inc. Pilots Operating Handbook and Approved Airplane Flight Manual Supplement for Cessna Model 152 Airplane, dated 24 May 1984 or later FAA approved revisions.

END

**FAA FORM 8110-2-1 (10-69)**

## Every issue (1)

- June 13, 1984: Issued, Current. [certificate](https://openairdocs.org/files/sha256/50/c5/50c563ecd6b17d6f9bc2941b61001d544e494437375a5495a3be6a4c1f76371b)

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