# STC SH1770SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Bell Helicopter Textron Inc., United States
- Description: Installation of a controllable belly-mounted searchlight.
- Applied: December 29, 1983
- Status date: May 29, 2013
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H3EU](https://openairdocs.org/tcds/H3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/51/34/51346ec896a2346a66794b481de08b94877450eb9a7a4acafdab14f10ad280e3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/42D23A11CDC4152786257C13005FD6D1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH1770SO

## ADs that name it (0)

None.

## Approved models (3)

- Eurocopter Deutschland GmbH BO-105A ([TCDS H3EU](https://openairdocs.org/tcds/H3EU))
- Eurocopter Deutschland GmbH BO-105C ([TCDS H3EU](https://openairdocs.org/tcds/H3EU))
- Eurocopter Deutschland GmbH BO-105S ([TCDS H3EU](https://openairdocs.org/tcds/H3EU))

## 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.

N umber SH1770SO This certificate issued to

Part 27 of the Federal Aviation R egulations .

Original Product -- Type Certificate N umber :

Installation of a controllable belly-mounted searchlight in accordance with Aeronautical Accessories Report S105-811, Revision A, AA85004 and AA84003, dated February 1, 1985, or later FAA approved revisions.

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

FAA Approved Rotorcraft Flight Manual Supplement dated April 2, 1985, for the Models BO-105A/C/S is a required part of this STC.

Bell Helicopter Textron, Inc.

441 Industrial Park Road Piney Flats, TN 37686 H3EU M ake : Eurocopter Deutschland GMBH (ECD) M odel : BO-105A/C/S Date of application : December 29, 1983

Date of issuance : April 2, 1985

Date reissued : May 29, 2013

B y direction of the A dministrator

(Signature) Scott A. Horn, Acting Manager, Rotorcraft Certification Office, Southwest Region

(Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

## Every issue (1)

- May 29, 2013: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/51/34/51346ec896a2346a66794b481de08b94877450eb9a7a4acafdab14f10ad280e3)

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