# STC SR02650LA

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Siller Helicopters Inc, United States
- Description: Installation of Fuel Quantity Indicating System (FQIS) Upgrade
- Applied: October 20, 2014
- Status date: June 28, 2017
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H18NM](https://openairdocs.org/tcds/H18NM)
- Certificate PDF: https://openairdocs.org/files/sha256/0f/13/0f132f72db52d1a08679ab4702d1809f8ffd0d004aaa998b258825087b4d3d54
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/ECCCE23BA237C9CC86258156006FC6DD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR02650LA

## ADs that name it (0)

None.

## Approved models (1)

- Siller Helicopters LLC CH-54A ([TCDS H18NM](https://openairdocs.org/tcds/H18NM))

## 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.

SR02650LA

For Certification Basis See Type Certificate Data Sheet H18NM

Installation of Fuel Quantity Indicating System (FQIS) Upgrade in accordance with Master Drawing List OAS-577-MDL, Revision A, dated March 27, 2017, or later Federal Aviation Administration (FAA) approved revision. The FAA Rotorcraft Flight Manual Supplement OAS-577-29.1581, revision original, dated May 19, 2017, or later FAA approved revisions is required with this installation. It will be maintained in accordance with Instructions for Continued Airworthiness (ICA) OAS-577-29.1529-2, Revision IR, dated March 30, 2017, or later FAA accepted revisions.

Approval of this change in type design applies to the above model rotorcraft only.

This approval should not be extended to other rotorcraft of this model series unless the installer determines that the relationship between this change and any other previously incorporated approved modifications will introduce no adverse effect upon the airworthiness of that rotorcraft. A copy of this certificate and ICA must be maintained as part of the permanent records for the modified rotorcraft. 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.

Siller Helicopters, Inc.

1250 Smith Road Yuba City, CA 95991 H18NM

Siller Helicopters, Inc.

CH54A, Serial Numbers 67-18430, 68-18455, 66-18411

October 20, 2014

June 28, 2017

___ (Signature) Manager, Propulsion Branch Los Angeles Aircraft Certification Office

(Title)

## Every issue (1)

- June 28, 2017: Issued, Current. [certificate](https://openairdocs.org/files/sha256/0f/13/0f132f72db52d1a08679ab4702d1809f8ffd0d004aaa998b258825087b4d3d54)

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