STC SR01928NY

Supplemental type certificate · Leonardo Helicopters US Corporation

Holder
Leonardo Helicopters US Corporation · United States
Status
Current · Reissued
Status date
July 15, 2026
Applied
May 29, 2001
Product
Aircraft · Rotorcraft
Certification basis
Part 29
Data sheet
TCDSH4SW

From FAA DRS, with our copy of the certificate PDF. DRS record last changed August 20, 2026.

What it approves

Installation of emergency float system

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.

SR01928NY Leonardo Helicopters US Corporation 3050 Red Lion Rd Philadelphia, PA 19114 Part 29 Title 14 Code of Federal Regulations H4SW Bell 412, 412CF, 412EP

1. This STC is applicable to the following BHT 412 serial numbers: 33001 to 33100, 33121 to 33129, 33131 to 33136, 36020 to 36056, 36067 and subsequent.

(Limitations and Conditions continued on page 3 of 3) 05/29/2001 08/26/2004 07/15/2026 07/15/2004 Michael Linegang Manager, East Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3 Installation of Emergency Float System in accordance with Augusta Emergency Flotation System Kit P/N 412-4600-04, Rev. D1, dated September 12, 2000.

11/18/2014

SR01928NY 07/15/2026 3

SR01928NY 07/15/2026

2. Agusta Rotorcraft Flight Manual Supplement, Report No. AAC-ENG-01-016, Rev. -, FAA approved July 15, 2004 is required.

3. Inspection of the rotorcraft is to be done in accordance with Helicopter Bell Model 412 Instructions for Continued Airworthiness for the installation of Agusta emergency Flotation Kit P/N 412-4600-04, Report No. AAC-ENG-01-017, Rev. -, dated April 12, 2004.

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

5. 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.

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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 · 2

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

DateStatusFiles
July 15, 2026Reissued, currentCertificate
November 18, 2014Reissued, earlier issueCertificate