Incident at LETHBRIDGE AB (CYQL) (Aerodrome - power failure)


2003-07-21: At 13:12Z commercial power failed at Lethbridge Airport and standby power did not come up. Equipment affected included runway lighting, all frequencies, VDF, AFTN circuit and main telephone line. NCAMS computer continued to operate for approximately 20 minutes until battery backup was exhausted. MF was protected with portable transceiver for duration of outage. Power restored at 13:57Z. Cause of failure was attempt by the standby power plant to switch over from main to standby which caused a breaker to trip. The site electrician called and reset the breaker.


CADORS Number 2003C0985
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2003-07-19 - 13:12
Day or Night? Day-time
Fatalities 0
Injuries 0
Aerodrome ID CYQL
Geographic Location Alberta, Canada, North America, Prairie and Northern Region, Lethbridge
TSB Occurrence Number
TSB Class of Investigation
AOR Number 30829
Reported By NAV CANADA
Categories Aerodrome
Events Aerodrome - power failure

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