# STC SA3920WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Arnav Systems Inc, United States
- Description: Installation of Fueltron IG or IP or Fuelgard digital fuel flow and totalizer system.
- Applied: April 12, 1979
- Status date: April 29, 1991
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A12SO](https://openairdocs.org/tcds/A12SO)
- Certificate PDF: https://openairdocs.org/files/sha256/17/56/175605c7c3b8172e41a68b81ca1bd021d3e286ef274bd73f37342169daabf970
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/016996E03566191F85256CC2000C5B9A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3920WE

## ADs that name it (0)

None.

## Approved models (2)

- CPAC Inc. 112TC ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- CPAC Inc. 112TCA ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))

## 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: SA3920WE This certificate issued to: Arnav Systems, INC.

Purt 23 of the CiVil Air Regulations:

Original Product - Type berlificate Number: A1250 Make: Rockwell Commander Mastel:

112TCA, 112TC Description of Type Design Change: . Installation of Silver Instruments Fueltron IG, IP, or Fuelgard digital fuel flow and totalizer system in accordance with FAA approved Master Drawing List A01704 "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 noted a mobilestore at poure no solars if chun the palmorth delt what aircraft. A copy of this Certificate, and FAA Approved Silver Instruments Airplane Flight Manual Supplement S140 dated April 26, 1979 (required with Fueltror installation only), or later FAA approved revision must be maintained as part of the This cortificate and th he sup eling data vehich is the fris for approval shall remain in efled until sur rendered, suspended, revked, or a tormination date is sherwise es lablished by the Administrat. if the Federal Aviation Administration Date of Application: April 12, 1979 Date of Issuance: April 27, 1979

FEDERAL AVIATIO Jule wissed: April 29, 1991 Date Amended: January 9, 1980; April 2, 1981;

April 29, 1991 By Direction of the Administrator TAMINI STRATO Seattle Aircraft Certification Office Manager, Aircraft Modification Branc (Tille)

47.

**FAA FOR 8110-2 (10-68)**

## Every issue (1)

- April 29, 1991: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/17/56/175605c7c3b8172e41a68b81ca1bd021d3e286ef274bd73f37342169daabf970)

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