The Canadian
Aerophilatelic Society

We are a community of collectors and researchers, dedicated to the study of Canada’s aerophilatelic heritage, representing Canadian aerophilatelists at national and international levels.

Research & Discover

Browse our Quarterly Publication Index

Our quarterly publication of The Canadian Aerophilatelist, beginning with the July 1985 inaugural issue.

Explore Special CAS Collections

A curated catalogue of unique Canadian aerophilatelic treasures.

Join the CAS

Receive our quarterly journal, access research databases, and share knowledge and stories of Canadian airmail history with our community of collectors and enthusiasts.

Vintage airmail envelope with stamps

The Canadian Aerophilatelist

Latest Issue
June 2026, No. 147

This issue marks the release of the digital AMCN2 catalogue on USB, tributes to Dick McIntosh and John Irvine, a puzzling 1919 Newfoundland "By Aeroplane" cover, and Halvorsen's pioneering covers.

Featured Resources & Exhibits

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CAS Library

September 7, 2026

CAS Library

Books, catalogues and periodicals in the library can be searched for information on particular topics, and photocopies supplied to members…

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The Air Mails of Canada and Newfoundland — A Complete CAS Research Library on USB

August 31, 2026

The Air Mails of Canada and Newfoundland — A Complete CAS Research Library on USB

The CAS USB card puts a complete Canadian air-mail research library in your pocket. On a single wallet-sized stick you…

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When a Daredevil and an RAF Pilot Carried Canada’s Mail – ORAPEX 2026

May 2, 2026

When a Daredevil and an RAF Pilot Carried Canada’s Mail – ORAPEX 2026

Marc Castel presents a prestige philately exhibit on Canada’s first air mail flights.

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Upcoming Events

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CANPEX 2026 October 17–18

CANPEX 2026

October 17–18, 2026, 10:00 a.m. to 4:00 p.m
The Hellenic Community Centre, 133 Southdale Rd. West London, Ontario

News & Announcements

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  • September 11, 2026

    CAS Launches its New Website

    See full details
  • September 1, 2026

    Meet us at BNAPEX 2026 in Valleyfield Quebec September 18 13:00-14:20 Maresch Room

    See full details

Kids Zone

Stamp Stories

Illustration of a stamp story

Every stamp tells a tale.

Discover the stories about the men and women who advanced flight, air mail, and philately, all posted alongside.

Collect

Illustration of a child collecting stamps

Start your own collection.

Dip into history. Dive into the digital object archive, commemorative stamps, and inspiring stamps.

Create!

Illustration of a child designing a stamp

It’s your turn to design!

From coloring pages to “design your own” stamp templates, we have everything you need to become a future stamp designer.

Become a Member

Joining the Canadian Aerophilatelic Society connects you to a vibrant, active community of researchers passionate about the history of Canadian air mail and aviation-related philately. The Society provides a forum for sharing knowledge, accessing specialized resources, and engaging with fellow enthusiasts across Canada and around the world.

Members at a CAS event

Membership Benefits

Quarterly Journal

Research Databases

Event Discounts

Publication Discounts

Vintage airmail envelope and passport

Want to learn more? We’ve consolidated all of the best sources for information on Canadian aerophilately.