# STC SA4837NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Marsh Aviation Company, United States
- Description: Installation of engines
- Applied: September 20, 1985
- Status date: September 3, 2014
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A25WE](https://openairdocs.org/tcds/A25WE)
- Certificate PDF: https://openairdocs.org/files/sha256/25/7c/257c99f07b8e6903f4222dbcf3088bbf70be0d1bf83f3e89c1ef3452c2a445fb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/84ADFC3EE87D8B8286257D4A004F68EA.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4837NM

## ADs that name it (1)

- [AD 96-06-11](https://openairdocs.org/ad/96-06-11): Engine Compressor Components · Honeywell International TPE331-14A, TPE331-14B, TPE331-14F and 1 more. Effective May 28, 1996. Named in the applicability

## Approved models (1)

- California Department of Forestry TS-2A ([TCDS A25WE](https://openairdocs.org/tcds/A25WE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

N umber SA4837NM

This Certificate issued to

Part 25* of the Fe deral A viation R egulations . *Certification basis as set forth in the FAA G-1 Issue Paper

Description of Type Design Change: Installation of engines in accordance with FAA sealed Marsh Aviation Master Drawing List DR104, Revision E, dated June 1, 1989, or later FAA approved revisions.

Marsh Aviation FAA-approved Airplane Flight Manual Supplement DR 602 dated February 12, 1990, or later FAA approved revisions is required for this installation.

Limitations and Conditions: The approval of this change in type design applies to the above listed model only. This approval should not be extended to specific airplanes of these models on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of the aircraft. The approval of this modification applies to the above noted airplane model series only. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Marsh Aviation Company 5060 East Falcon Drive Mesa, Arizona 85215 A25WE

Grumman

TS-2A (S2F-1T) Original Product Type Certificate N umber :

M ake :

M odel :

Date of application : September 20, 1985

Date of issuance : February 19, 1990

Date reissued : December 20, 2012;

September 3, 2014 Date amended :

B y direction of the A dministrator

(Signature) Supervisor, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office

(Title)

N umber (STC No.)

Limitations and Conditions continued

## Every issue (2)

- September 3, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/25/7c/257c99f07b8e6903f4222dbcf3088bbf70be0d1bf83f3e89c1ef3452c2a445fb)
- December 20, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/76/20/7620bf24849cb99d09080f47b8bbee5d540e3a35c14b7f2bc7700d69e30501bd)

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