About Our Company


Thunder Bay Aviation Ltd. was formed as an incorporated company in March of 1987. The objective of our Company at startup was to provide overhaul and repair services to the many aircraft operators in Northwestern Ontario for their varied fleet of aircraft. Our focus shifted to the De Havilland DHC-6 Twin Otter aircraft and in June of 1989 we began to acquire surplus parts for the Twin Otter. In 1996 we acquired our Manufacturing Approval. To date, we have STC, PDA and PMA’s for over 300 parts, ground equipment and miscellaneous equipment for the DHC-6 Twin Otter, DHC-3 Otter and DHC-2 Beaver aircraft.  In addition, we now stock a large variety of replacement parts for the Twin Otter, with over 500 line items on our shelves.

In June of 2015, Thunder Bay Aviation Ltd. and Sunshine Airspares Inc. became sister companies; with the extensive inventory, capabilities and expertise of our two companies and staff, we are able to greater support our customer’s needs.

Certifications

We are a Transport Canada Approved AMO with Certificates of Approval in:

  • Manufacturing of Aeronautical Products
  • Maintenance of Aeronautical Products with ratings in;
    • Aircraft (De Havilland DHC-6, DHC-3, DHC-2, all non-specialized work)
    • Structures (sheet metal and tubular)
    • GTAW (TIG) Arc Welding, steel/aluminium
    • EASA Part-145 Maintenance
  • Distribution of Aeronautical Products

Our Capabilities

  • Manufacturing of Aeronautical Products
    • Structures
    • GTAW (TIG) Arc Welding
  • Maintenance of Aeronautical Products and Repair and Overhaul
  • Distribution of Aeronautical Parts
  • Custom Design Services
  • Custom and Non Aircraft Welding

Custom Parts Manufacturing

We manufacture a comprehensive selection replacement parts for the DHC-6, DHC-3, DHC-2 as well as ground equipment. We’ve been a leader in the aviation industry since 1987.

CONTACT US ABOUT CUSTOM MANUFACTURING

Our Customer Service Team

We’re here to help. Give one of your customer service team members a call.

Jason McArdle

Jason McArdle

Product & Customer Support
Accountable Executive

Email Jason
Office: 807-475-5249
Mobile: 807-621-8254

Bill Reguly

Bill Reguly

Product & Customer Support
Managing Director

Email Bill
Office: 807-475-5249
Mobile: 807-633-5742

Jay Caldwell

Jay Caldwell

PRM/ PRA Manufacturing, Design, Repair & Overhaul
Product Support

Email Jay
Office: 807-475-5249
Mobile: 807-630-5394

Contact Us

Contact Us

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