Incident at ST. JOHN'S INTL NL (CYYT) (Communication navigation surveillance/air traffic system)
2016-08-16: Frequency 121.5 in St. John's (CYYT) was unserviceable. The Technical Operations Centre (TOC) was advised. 121.5 was not monitored in the tower from 11:40Z until 13:20Z.
|Occurred At||- 11:40|
|Day or Night?|
|TSB Occurrence Number|
|TSB Class of Investigation|