Incident at FORT MCMURRAY AB (CYMM) (Communication navigation surveillance/air traffic system, ATM - other)
2011-08-29: The CYMM RCO 123.27 went RONLY. 123.55 and 126.7 were NOTAM'd u/s until 11/08/29/2359z.
|Occurred At||- 14:15|
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