# STC SH2149NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: TransWestern Helicopters Inc., United States
- Description: Removal of five seats
- Applied: August 18, 1983
- Status date: September 27, 1983
- Product: Aircraft
- Certification basis: Part 21
- Data sheets: [TCDS H6SW](https://openairdocs.org/tcds/H6SW)
- Certificate PDF: https://openairdocs.org/files/sha256/51/82/518235b6495a8d8fedbf905e06de3f888c6583d8ba24b21823f3bff019717422
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E9DF014E9CF182FC862579DB0079E221.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH2149NM

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron Inc. 214B ([TCDS H6SW](https://openairdocs.org/tcds/H6SW))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SH2149NM This certificate issued to: TransWestern Helicopters, Inc.

Part 29 of the Federal Aviation Regulations:

Original Product - Type Certificate Num ber: H6SW M Bell 214B S/N 28032 DespiTe sahange: Regraph age 25-10 through 25-13, Shown on Bel ›, Page 25-10 through 25-13, shown on Bel Drawing 214-070-717, Rev. D. dated February 13, 1977, P/N 205-070-701-1 double seats on the right and left sides Station 131.66 to 165.38, and centerline seat P/N 205- 070-702-3 located between Stations 111.82 and 129.0.

Limitations and Conditions: Data pertaining to this modification are considered inadequati for duplication on other aircraft. This approval is limited to Bell Model 214B Serial No. 28032 only. A copy of this certificate will be maintained as part of the permanent records for the modified aircraft.

Date of Application: August 18, 1983 Date Reissued:

Date of Issuance: September 27, 1983 Date Amended:

FEDERAL ANTATION By Direction of the Administrator (Signature) TOMINIST RAID Manager, Seattle Aircraft Certification Office, ANM-100S (Title)

47.

**FAA FORM B110-2 (10-68)**

## Every issue (1)

- September 27, 1983: Issued, Current. [certificate](https://openairdocs.org/files/sha256/51/82/518235b6495a8d8fedbf905e06de3f888c6583d8ba24b21823f3bff019717422)

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