CYXX|Abbotsford, B. C.
CYBG|Bagotville, Que.
CYYC|Calgary International, Alta.
CYCB|Cambridge Bay, N. W. T.
CYCH|Chatham Can-Mil 
CZUM|Churchill Falls, Nfld.
CYYQ|Churchill, Man.
CYOD|Cold Lake, Alta.
CYQQ|Comox, B. C.
CYZS|Coral Harbour, N. W. T.
CYEG|Edmonton International, Alta.
CYET|Edson, Alta.
CZFM|Fort Mcpherson Airport
CYFC|Fredericton, N. B.
CYQX|Gander Int. Airport, Nfld.
CYYR|Goose, Nfld.
CYZX|Greenwood, N. S.
CYHZ|Halifax International Airport 
CYFB|Iqaluit, N. W. T.
CYAH|La Grande Iv, Que.
CYGL|La Grande Riviere, Que
CYZY|Mackenzie, B. C.
CYNM|Matagami, Que.
CYXH|Medicine Hat, Alta.
CYQM|Moncton, N. B.
CYUL|Montreal / Dorval International, Que
CYMX|Montreal / Mirabel
CYBU|Nipawin, Sask.
CYOC|Old Crow Airport
CYOW|Ottawa Int'L. Ont.
CYYF|Penticton, B. C.
CYZT|Port Hardy, B. C.
CYPG|Portage Southport A
CYQB|Quebec, Que
CYUY|Rouyn Airport
CWZZ|Saglek Bay 
CYAY|Saint Anthony Airport
CYZV|Sept-Iles, Que.
CYAW|Shearwater, N. S.
CYUA|Shingle Point, Y. T.
CYYT|St. John's, Nfld
CYJT|Stephenville, Nfld.
CYYN|Swift Current, Sask.
CYQY|Sydney, N. S.
CYTH|Thompson Weather Office, Man
CYYZ|Toronto Pearson Int'L. Ont.
CYTR|Trenton, Ont.
CYVR|Vancouver International Air-Port, B. C.
CYYJ|Victoria Int. Airportb. C.
CYQG|Windsor, Ont.
CYWG|Winnipeg Int. Airportman.
CYZF|Yellowknife, N. W. T.