The Aviation DataBase®
Complete Aviation Regulatory Library
Sept. 11 Sept. 11 America 250
DataBases updated: Aug 20th, 2026
Home Products Library Support Account Login Contact

STC Holder: H. O. Aircraft Inc.

The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 5

STC Holder:
H. O. Aircraft Inc.
8891 Airport Road, Box A-3, Blaine, MN 55449, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02828CHStatus: HistoricalApp Date: 03/24/2009Rev Date: 06/14/2010
Description: Installation of the Lycoming IO-390-A1A6 engine, MT model MTV-15-B/210-58 constant speed propeller and associated accessories
TC Nos.: 1A2
Models:
Piper Aircraft Inc.PA-18, PA-18-105 (Special), PA-18-125 (Army L-21A), PA-18-135, PA-18-150, PA-18A, PA-18A-135, PA-18A-150, PA-18AS-125, PA-18AS-135, PA-18AS-150, PA-18S, PA-18S-105 (Special), PA-18S-125, PA-18S-135, PA-18S-150, PA-19 (Army L-18C), PA-19S
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
STC Holder:
H. O. Aircraft Inc.
8891 Airport Road, Box A-3, Blaine, MN 55449, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02828CHStatus: HistoricalApp Date: 03/24/2009Rev Date: 05/04/2010
Description: Installation of the Lycoming IO-390-A1A6 engine, MT model MTV-15-B/210-58 constant speed propeller and associated accessories
TC Nos.: 1A2
Models:
Piper Aircraft Inc.PA-18, PA-18-105 (Special), PA-18-125 (Army L-21A), PA-18-135, PA-18-150, PA-18A, PA-18A-135, PA-18A-150, PA-18AS-125, PA-18AS-135, PA-18AS-150, PA-18S, PA-18S-105 (Special), PA-18S-125, PA-18S-135, PA-18S-150, PA-19 (Army L-18C), PA-19S
ACO: Chicago ACO Branch, Tel: +1 (847) 294-7358
STC Holder:
H. O. Aircraft Inc.
8891 Airport Road, Box A-3, Blaine, MN 55449, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02828CHStatus: CurrentApp Date: 03/24/2009Rev Date: 01/15/2014
Description: Installation of the Lycoming IO-390-A1A6 engine, MT model MTV-15-B/210-58 constant speed propeller and associated accessories
TC Nos.: 1A2
Models:
Piper Aircraft Inc.PA-18, PA-18-105 (Special), PA-18-125 (Army L-21A), PA-18-135, PA-18-150, PA-18A, PA-18A-135, PA-18A-150, PA-18AS-125, PA-18AS-135, PA-18AS-150, PA-18S, PA-18S-105 (Special), PA-18S-125, PA-18S-135, PA-18S-150, PA-19 (Army L-18C), PA-19S
ACO: AIR-760: Central Certification Branch CHI
STC Holder:
H. O. Aircraft Inc.
8891 Airport Road, Box A-3, Blaine, MN 55449, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02906CHStatus: CurrentApp Date: 08/19/2010Rev Date: 11/08/2010
Description: Installation of the reversible MT-Propeller model MTV-15-B-C-R(M)/CR210-58 two bladed hydraulic constant speed propeller
TC Nos.: 1A2
Models:
Piper Aircraft Inc.PA-18, PA-18-105 (Special), PA-18-125 (Army L-21A), PA-18-135, PA-18-150, PA-18A, PA-18A-135, PA-18A-150, PA-18AS-125, PA-18AS-135, PA-18AS-150, PA-18S, PA-18S-105 (Special), PA-18S-125, PA-18S-135, PA-18S-150, PA-19 (Army L-18C), PA-19S
ACO: AIR-760: Central Certification Branch CHI
STC Holder:
H. O. Aircraft Inc.
8891 Airport Road, Box A-3, Blaine, MN 55449, United States
Contact: H. O. Aircraft Inc.Phone: 763-784-0490
E-Mail: info@hoaircraft.comWeb Site: HOAircraft.com
STC No.: SA02979CHStatus: CurrentApp Date: 01/11/2011Rev Date: 07/01/2011
Description: Installation of the Lycoming O-320-A2B engine in accordance with H. O. Aircraft, Inc. Installation Manual, Document No. IM-7ECA-320, Rev. IR, dated 5/12/2011, FAA approved on 7/1/2011 or later FAA approved revision.
TC Nos.: A-759
Models:
American Champion Aircraft Corp.7ECA
ACO: AIR-760: Central Certification Branch CHI