In 1925 as district signals officer in Calgary he lived in the officers' mess of the Lord Strathcona's Horse. He mentions a number of permanent force officers of that era and reminisces. (23:00) In 1927 he joined the expedition to check the ice and weather conditions in the Hudson Strait. The R.C.A.F. managed the expedition on behalf of the Dept. of Marine and Fisheries. Two Fokker Universal aircraft (seaplanes) stationed at each of three bases had modified wartime wireless sets in the aircraft. (30:00) They were also in short-wave contact with the R.C.C.S. signal station in Ottawa. Living conditions were hard. (34:00) (Side 2) Mentions Flt. Lieut. Leitch of the expedition and other air crew who made forced landings. There were many difficulties with planes, weather, etc. (10:00) He became involved in establishing radio beacons for air mail service and beacons/radio stations for the British airship R-100 on its visit to Canada. Later flew to Ottawa in this airship.