Ottawa / Casselman (Shea Field), designated with the ICAO code CSF7, is a small private or semi-private aerodrome located in the Casselman area east of Ottawa, Ontario, Canada. It serves general aviation purposes and is not a commercial passenger airport. The field is a registered aerodrome in Canada, operating under Transport Canada regulations. It does not offer scheduled airline service, terminal facilities, or significant ground transport connections typical of larger airports.