1997-06-20: In IFR conditions, Calm Air CAV 1557, a Saab 340 with 20 people on board was cleared for the approach into Thompson. CAV 1557 was on short final for Runway 05 when FSS staff observed a Robinson HR-22, C-FLTW
inbound to Thompson near the approach path to Runway 05. C-FLTW
was not in radio contact with FSS and was not monitoring the MF. The Calm Air flight was able to land safely and saw the helicopter on short final. FSS staff approached the pilot of the helicopter after it landed and the pilot said he had been communicating on 118.0, which had been decommissioned 3 years ago. He said this frequency was provided by his GPS equipment, but on questioning, admitted the GPS database had not been updated for "a couple of years." He did not consult his copy of the Flight Supplement which was on the seat beside him because he was "too busy." When FSS staff asked for his name, the pilot declined to give it, and said "he hoped nothing would come of this." Upon departure from Thompson, the pilot did not file a flight plan, rather he flew on a company flight note. Weather at the time of the incident was 700 feet broken, 2000 feet overcast, visibility 5 miles in light rain and fog.