# STC SH166GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Scott's Bell 47 Inc, United States
- Description: Installation of Low Fuel Warning System
- Applied: February 15, 1977
- Status date: August 7, 2014
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 2H3](https://openairdocs.org/tcds/2H3)
- Certificate PDF: https://openairdocs.org/files/sha256/a3/88/a38878e859d104eca95ee608afcca202de534bfc7e596b21866f964fc04baf8e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7490D7CC52A21E8386257DC70051AC9B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH166GL

## ADs that name it (0)

None.

## Approved models (11)

- Scotts-Bell 47 Inc 47G-2A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Scotts-Bell 47 Inc 47G-2A-1 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Scotts-Bell 47 Inc 47G-3 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Scotts-Bell 47 Inc 47G-3B ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Scotts-Bell 47 Inc 47G-3B-1 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Scotts-Bell 47 Inc 47G-3B-2 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Scotts-Bell 47 Inc 47G-3B-2A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Scotts-Bell 47 Inc 47G-4 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Scotts-Bell 47 Inc 47G-4A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Scotts-Bell 47 Inc 47G-5 ([TCDS 2H3](https://openairdocs.org/tcds/2H3))
- Scotts-Bell 47 Inc 47G-5A ([TCDS 2H3](https://openairdocs.org/tcds/2H3))

## 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.

Part 6 of the Civil Air R egulations.

Original Product --Type Certificate N umber :

Descriptio n of Type Design Change:

Installation of Low Fuel Warning System in accordance with stamped “FAA Approved” “Low Fuel Warning Bell 47 Installations,” “Warning Light Flasher Description and Specifications,” and Lake Line Drawing Nos. 76-002-1 thru 76-002-6.

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by th e A dministrator of the F ederal A viation A dministration.

Scott’s-Bell 47, Inc.

100 Minnesota Avenue Le Sueur, MN 56058

2H3 M ake : Bell Helicopter Textron M odel : 47G-2A, G-2A-1, G-3, G-3B, G-3B-1, G-3B-2, G-3B-2A, G-4, G-4A, G-5, G-5A Date of application : February 15, 1977

Date of issuance : April 27, 1977 Date reissued : January 21, 2004; December 15, 2010;

August 7, 2014

B y direction of the A dministrator

Original Signed By:

Karol Mordasiewicz (Signature) Karol Mordasiewicz Manager, Airframe and Administrative Branch Chicago Aircraft Certification Office

(Title)

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES

N umber SH166GL Date of Issuance: April 27, 1977 Date of Reissuance: August 07, 2014

Limitations and Conditions: (Continued) :

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person wr itten evidence of that permission.

A copy of this STC must be included in the permanent record of each airplane modified in accordance with this STC.

Placards The following placards are required in the locations noted:

Adjacent to the warning light: “Low Fuel”

Adjacent to the test switch: “Press to Test”

In a location in full view of the pilot: “When light flashes, approximately 5 US gallons usable at 80 knots IAS with two fuel tank configuration – varies with aircraft attitude”

-END-

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES

## Every issue (3)

- August 7, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a3/88/a38878e859d104eca95ee608afcca202de534bfc7e596b21866f964fc04baf8e)
- December 15, 2010: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/12/a8/12a898b5f2c8394a680b1f4dc31e75c4da3e6db2c0bed9c073d6f212ac424a76)
- January 21, 2004: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b7/f8/b7f89cb82f2ba5e668bcf6846da8726aebd36c26fbcf7d300be4b075eb03e456)

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