The 427 Special Operations Aviation Squadron ( 427SOAS ) ( french :427 e Escadron d'op Ã rations spÃ ciales d'aviation ) is a helicopter squadron of Canada responsible to provide support to the Joint Task Force 2 Â and the Canadian Special Operations Regiment . 427 Special Operations Aviation Squadron ( 427 SOAS ) is a tactical helicopter unit that provides aviation support to Canadian Special Operations Forces Command .