# STC SA3255NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Arnav Systems, United States
- Description: Installation of FC-10 or FT-10 digital fuel flow indicating system.
- Applied: January 24, 1986
- Status date: June 4, 1986
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/b3/be/b3be857fbeee20596f7ec33db35d78fd6f93ecf15d2bc186fda95bd16313b7df
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CBAD4AA2ACBA3B9085256CC2000A95EB.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3255NM

## ADs that name it (0)

None.

## Approved models (19)

- Cessna Aircraft Company 210D ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210E ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210F ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210G ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210H ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210J ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210K ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company 210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company P210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210F ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210G ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210H ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210J ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210K ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210L ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210M ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Cessna Aircraft Company T210N ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## 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: SA3255NM This certificate issued to: ARNAV Systems, InC.

Part 3* of the CIVIl Air Regulations® *See Type Certificate Data Sheet No. 3A21 for complete certification basis.

Original Product - Type bertificate Number 3A21 Cessna Make 21OD, 210E, 210F, T210F, 210G, T210G, 210H, Model: T21OH, 210J, T210J, 210K, T210K, 21OL, T21OL, 210M, T210M, P21ON, 210N, T210N Description of Type Design Change:

Installation of FC-10 or FT-10 digital fuel flow indicating system in accordance with FAA sealed ARNAV Master Drawing List No. 7002 "NC" dated 5-27-86, or later FAA Approved revision. FAA Approved ARNAV Airplane Flight Manual Supplement No. S303, dated June 4, 1986, or later approved revision, is required with this installation.

Limitations and Conditions: The approval of this change in type design applies to the basic aircraft of the specified models that are otherwise unmodified. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. NOTE: Original equipment pressure-type fuel flow gauge must remain operational in the instrument panel with this installation.

Date of Application: January 24, 1986 Date Reissued:

Date of Issuance: . June 4, 1986 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Mavin 1. Kameselebleg (Signature ) TOMINISTRATO KoK Manager, Western Aircraft Certification Office (Title )

**FAA F RM 8110-2 (10-68)**

## Every issue (1)

- June 4, 1986: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b3/be/b3be857fbeee20596f7ec33db35d78fd6f93ecf15d2bc186fda95bd16313b7df)

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