# STC SH2252NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Arnav Systems Inc, United States
- Description: Installation of Silver Instruments Fueltron IIIPT-IGS, IIIPT-IPS, IIIPT-ILS, IIIPT-IKS digital fuel flow indicating system.
- Applied: December 12, 1983
- Status date: April 29, 1991
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H9SW](https://openairdocs.org/tcds/H9SW)
- Certificate PDF: https://openairdocs.org/files/sha256/c8/44/c8447ff4988171c1c7cbb85a7469262526e998d2a8dbe7c658c3f1a2914a6ef4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1A183B84ABABD1F985256CC2005C2F9B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH2252NM

## ADs that name it (0)

None.

## Approved models (3)

- Bell Helicopter Textron (Canada) 222 ([TCDS H9SW](https://openairdocs.org/tcds/H9SW))
- Bell Helicopter Textron (Canada) 222B ([TCDS H9SW](https://openairdocs.org/tcds/H9SW))
- Bell Helicopter Textron (Canada) 222U ([TCDS H9SW](https://openairdocs.org/tcds/H9SW))

## 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: SH22521M This certificate issued to: Arnav Systems, INC.

Purt 29 the Civil Air Regulations:

Original Product - Type Certificate Numben: H9SW Make: Bell Mirded:

222, 222B, 2220 Descriplion ype Lesign bhange: Installation of Silver Instruments Fueltron IIIPT- IGS, IIIPT-IPS, IIIPT-ILS, or IIIPT-IKS digital fuel flow indicating system in accordance with FAA approved Silver Instruments Master Drawing List No. A02050 "NC", dated February 6, 1984, or later FAA approved revision.

Limitations and Conditions: Approval of this change in type design applies to the above model helicopter 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 helicopter. A copy of this Certificate, and FAA Approved Silver Instruments Rotorcraft Flight Manual Supplement S232, datec February 9, 1984, must be maintained as part of the permanent records for the e supporting dalu urich is the basis fur apprval shall remain in effect until sunvendered, suspended, verked, or a termination date is sherwise es tallished by the Adminis brater of the Federal Aviation Administration .

Date of Application: December 12, 1983 Vale rissued: April 29, 1991 Date of Issuance: February 9, 1984 Take unended: April 29, 1991 FEDERAL AVIATION By Direction of the Administrator TMINISTRATO Manager, Aircraft Modification Branch Seattle Aircraft Certification Office (Title)

47.

## Every issue (1)

- April 29, 1991: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c8/44/c8447ff4988171c1c7cbb85a7469262526e998d2a8dbe7c658c3f1a2914a6ef4)

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