Incident at CALGARY INTL AB (CYYC) (ATM - NAVAIDS/radar)

Summary

2001-07-03: The crew of BXH 454-M, a Beech Super King Air enroute from Medicine Hat to Calgary, reported that the aircraft did have any transponder capability, both transponders Mode 3A and C had failed. The Calgary Radar PSR was unserviceable, therefore without the use of primary radar and given that this was a MEDEVAC flight, prioity was given. Other IFR aircraft were held until BXH 454-M transferred control to the control tower at 2236Z. BXH 454-M landed without further incident at 2238Z. There was an air delay for three aircraft a maximum of 8 minutes and a ground delay for one aircraft of 11 minutes.
2001-09-04: UPDATE Maintenance and Manufacturing reported that from reviewing the technical records for C-GXHD, the operator found the reported defect with the transponders. It was reported that both the #1 and #2 transponders were U/S. The initial troubleshooting involved replacing the transponders and a test flight was then completed. The test flight indicated that both transponders were being interrogated by ATC, however were not being picked up on radar. Subsequently, the #1 antenna was replaced, and the next test flight indicated the transponder was working. The operator also had the systems tested during a turn-around in Calgary by Canadian Avionics, and both systems were found operational. The company has requested a pilot report regarding this incident from our flight operations department, and will advise if there is any further information to add.

Details


CADORS Number 2001C0726
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2001-06-30 - 22:25
Day or Night?
Fatalities 0
Injuries
Aerodrome ID CYYC
Aerodrome Name CALGARY INTL AB (CYYC)
Geographic Location Alberta, Canada, North America, Prairie and Northern Region, Calgary
TSB Occurrence Number
TSB Class of Investigation
AOR Number 16105
Reported By NAV CANADA
Categories System/component failure or malfunction [non-powerplant],Other,ATM/CNS
Events ATM - NAVAIDS/radar



Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration
Foreign Registration
Country of Registration Canada
Occurrence Type Incident
Owner BAR XH AIR INC
Operator BAR XH AIR INC. (1399) Commercial
Make  Silhouette image of BEECH
BEECH
Model  Silhouette image of 200
200
Year Built
Engine Type Turbo prop
Engine Make
Engine Model
Gear Type Land
Private No
Amateur Built No
Flight Number BXH 454-M
Flight Rule
CARS Subpart
Phase of Flight Cruise
Damage No Damage
Fatalities 0
Injuries 0
Events Declared emergency/priority,Aircraft navigation/communication equipment

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