# STC SA3818WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Arnav Systems Inc, United States
- Description: Installation of Fueltron IIIG or IIIP digital fuel flow and totalizer system.
- Applied: November 10, 1978
- Status date: April 29, 1991
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A6CE](https://openairdocs.org/tcds/A6CE)
- Certificate PDF: https://openairdocs.org/files/sha256/cf/cd/cfcdb640e0efbfb56b53f2efaba902e48ffa15c324ef6a8844cd5d28f6353e93
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BDCCCD468E63C0A785256CC2000C5ABC.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3818WE

## ADs that name it (0)

None.

## Approved models (14)

- Cessna Aircraft Company 337 ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company 337A ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company 337B ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company 337C ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company 337D ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company 337E ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company 337F ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company 337G ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company T337B ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company T337C ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company T337D ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company T337E ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company T337F ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- Cessna Aircraft Company T337G ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))

## 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.

Number SA3818WE

This certificate, issued to: Arnav Systems, Inc.

Part 3 of the Civil Air Regulations.

Original ProductType Certificate Number: A6CE Make: Cessna Model: 337, 337A, 337B, T337B, 337C, T337C, 337D, T337D, 337E, T337E, 337F, T337F, 337G T337G, and T337P

Description of the Type Design Change: Installation of Silver Instruments Fueltron IIIG or IIIP digital fuel flow and totalizer system in accordance with FAA approved Master Drawing List A01598 "NC," or later FAA approved revision.

Original equipment pressure-type fuel flow gauge must remain in instrument panel with this installation.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only.

This approval should not be extended to other 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 will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate, and FAA Approved Silver Instruments Airplane Flight Manual Supplements S127, S129, S135, and S136 dated December 28, 1978, or later FAA approved revision must be maintained as part of the permanent records for the modified aircraft.

Date of application: November 10, 1978 Date reissued: April 29, 1991 Date of issuance: December 18, 1978 Date amended: January 31, 1979; April 29, 1991

(Signature) Manager, Aircraft Modification Branch, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- April 29, 1991: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/cf/cd/cfcdb640e0efbfb56b53f2efaba902e48ffa15c324ef6a8844cd5d28f6353e93)

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