Incident at Fredericton NB


1999-11-08: ARN850 DH8 on initial contact with ATC was cleared to maintain 4000 feet due to ICN2281 ATR42 at 5000 feet inbound from Saint John. When 2 miles back from FRENN intersection ATC passed ICN2281 as traffic to ARN850 which was also 2 miles back from FRENN. ATC instructed ARN850 to stay at 4000 feet until by the other traffic. At that point ICN2281 cancelled IFR and descended into the flight path of ARN850 despite the fact the ARN850 crew advised ICN2281 that they would maintain 4000 until visual passage. It is estimated that ICN2281 passed within 2 miles and 400-500 feet in front of the ARN850 flight. A TCAS RA instructing the crew to descend resulted. TSB evaluating. TSB case closed. TSB file # A99A0157


CADORS Number 1999A0630
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 1999-11-01 - 09:30
Day or Night?
Fatalities 0
Aerodrome ID
Aerodrome Name
Geographic Location New Brunswick, Canada, North America, Atlantic Region, Fredericton NB
TSB Occurrence Number
TSB Class of Investigation
AOR Number
Reported By NAV CANADA
Categories Airprox/TCAS alert/loss of separation/(near) midair collisions

Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration GCWZ | Flightaware (Registration) | Flightaware (Tracking) | AvHerald
Foreign Registration
Country of Registration Canada
Occurrence Type Incident
Operator AIR NOVA INC. (5002) Commercial
Make  Silhouette image of DEHAVILLAND
Model DHC 8 102
Year Built
Engine Type Turbo prop
Engine Make
Engine Model
Gear Type Land
Private No
Amateur Built No
Flight Number ARN850
Flight Rule
CARS Subpart
Phase of Flight Climb
Damage Unknown
Fatalities 0
Injuries 0
Events Conflict - IFR & VFR,TCAS alert

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