STC SR02355LA

Supplemental type certificate · Sandel Avionics LLC

Holder
Sandel Avionics LLC · United States
Status
Current · Reissued
Status date
June 23, 2021
Applied
September 15, 2009
Product
Aircraft · Rotorcraft
Certification basis
Part 21, Part 29
Data sheet
TCDSH4SW

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 5, 2025.

What it approves

Installation of Sandel Avionics ST3400H Helicopter Terrain Awareness and Warning System (HTAWS).

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

FAA Form 8110-2 (3/21) SUPERSEDES PREVIOUS EDITION Number SR02355LA

This Certificate issued to Sandel Avionics, Inc.

1370 Decision Street, Suite D Vista, CA 92081 Part 29 of the Federal Aviation Regulations.

(*Certification basis is set forth in Type Certificate Data Sheet).

*See attached FAA Approved Model List (AML) No. SR02355LA for list of approved aircraft models and applicable airworthiness regulations.

Description of Type Design Change: Installation of Sandel Avionics ST3400H Helicopter Terrain Awareness Warning System (HTAWS), in accordance with FAA Approved Sandel Avionics “Master Drawing List”, Document No. 82046-AMLSTC29-01, Rev. “A”, dated May 6, 2011, or later FAA approved revision. FAA approved Sandel Avionics Rotorcraft Flight Manual Supplement to the Bell 412EP Flight Manual, Document No.

82046-STC29-09, Rev. "ORIG," dated June 17, 2011, or later FAA approved revision is required as part of this installation.

Additional FAA approved Master Drawing List (MDL), Rotorcraft Flight Manual Supplement (RFMS) and later approved revisions are identified in attached AML

Limitations and Conditions: The approval should not be incorporated in any rotorcraft unless it is determined that the interrelations between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the 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.

Date of application : September 15, 2009

Date of issuance : June 17, 2011

Date reissued : June 23, 2021

Date amended : February 7, 2014

(Signature) Manager, Technical & Administrative Support Section Aviation Safety Los Angeles ACO Branch

FAA Form 8110-2 (03/21) SUPERSEDES PREVIOUS EDITION Number SR02355LA

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 3

MakeModelData sheet
Bell Helicopter Textron Inc.412H4SW
Bell Helicopter Textron Inc.412CFH4SW
Bell Helicopter Textron Inc.412EPH4SW

Every issue · 3

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
June 23, 2021Reissued, currentCertificateApproved model list
February 7, 2014Amended, earlier issueCertificateApproved model list
June 17, 2011Issued, earlier issueCertificate