Incident at GILLAM MB (CYGX) (Incursion - runway - vehicle, Communication navigation surveillance/air traffic system)
1997-09-03: The Piper PA-31 Navajo aircraft operated by Sowind Air executed a missed approach due to a grader being on the runway. The grader operator was authorized to be on the runway at the time. Thompson Flight Services passed traffic information on to Sowind 301, but did not pass on the grader information. Thompson Flight Services attempted to instruct the grader operator to leave the runway, but was unable to due to congestion on the frequency. Sowind 301 landed shortly after without further incident.
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