# STC ST00146DE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Air Methods Corporation, United States
- Description: Installation of passenger plug-in supplemental oxygen system. (DHC-8-300 SERIES s/n 305 only)
- Applied: December 5, 1994
- Status date: February 17, 1995
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 25
- Data sheets: [TCDS A13NM](https://openairdocs.org/tcds/A13NM)
- Certificate PDF: https://openairdocs.org/files/sha256/7c/c0/7cc01946fd90b012a3ad92699eb31fd6f04edc193276c9bccd1394b31d793f5b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120614869920260126163438.0001
- DRS record last changed: January 26, 2026
- Page: https://openairdocs.org/stc/ST00146DE

## ADs that name it (0)

None.

## Approved models (1)

- De Havilland Aircraft of Canada Limited DHC-8-300 Series ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))

## What the certificate says

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

Sita Stator of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST00146DE This certificate issued to: Air Methods Corp.

Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airworthiness requirement's of Part 25 of the Foderal Aviation Regulations and other requirements as specified in the TCDS.

Original Product Type Certificate Number: A13NM Make: de Havilland Inc.

Model: DHC-8-300, (S/N 305 only) Description of Type Design Change:

Installation of Passenger Plug-in Supplemental Oxygen System in accordance with Air Methods Corp.

Configuration Control Drawing No. 229-9000, Rev (-), dated February 9, 1995, FAA Approved February 17, 1995 or later FAA approved revision.

1. Installation in the de Havilland DHC-8-300 is limited to a 50 passenger configuration with 4 additional outlets for lap children, 2 additional outlets for lavatory occupants, and 2 additional outlets for Flight Attendants.

2. Data pertaining to this modification are considered inadequate for duplication on other aircraft. This approval is limited to de Havilland Model DHC-8-300, Serial Number 305 only.

3. A copy of this certificate and FAA Approved Airplane Flight Manual Supplement, Rev. A, dated February 17, 1995, or later FAA Approved revision, must be maintained as part of the permanent records for the modified aircraft.

Date of Application: December 5, 1994 Date Reissued:

Date of Issuance: February 17, 1995 Date Amended:

FEDERAL AVIATION By Direction of the Administrator ROMAN T. GABRYS (Signature) Ading Manager Denver Aircraft Certification Office Northwest Mountain Region, Denver, Colorado (Title)

47.

FAA FORM 8110-2(10-68]

## Every issue (1)

- February 17, 1995: Issued, Current. [certificate](https://openairdocs.org/files/sha256/7c/c0/7cc01946fd90b012a3ad92699eb31fd6f04edc193276c9bccd1394b31d793f5b)

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