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A request to cancel IFR southeast of detroit in canadian class B airspace brings a reminder from ATC that the rules are different from the united states airspace.
| Attributes | |
| ACN | 539347 |
| Time | |
| Date | 200202 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : dtw.airport |
| State Reference | MI |
| Altitude | msl single value : 18000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zob.artcc |
| Operator | general aviation : personal |
| Make Model Name | Citation I/SP |
| Operating Under FAR Part | Part 91 |
| Flight Phase | descent : intermediate altitude |
| Route In Use | arrival : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 50 flight time total : 3800 flight time type : 100 |
| ASRS Report | 539347 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other controllerb |
| Resolutory Action | controller : issued advisory controller : issued new clearance |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
We are in cruise at FL410 with adequate fuel reserves. Cleveland forced us to descend approximately 200 mi out, which used more fuel. Cleveland vectored us further away from our destination. Upon reaching FL180, we canceled IFR to go direct to fnt. The controller asked if we were aware of canadian airspace rules. We indicated 'we thought so, but we are not sure, please advise us if there is a problem.' he indicated canadian VFR airspace started as 12500 ft and below and then he would continue to vector us until we reached that altitude. We were only 5 mi from the united states border at the time we canceled and were unaware of the differences in airspace.
Original NASA ASRS Text
Title: A REQUEST TO CANCEL IFR SE OF DETROIT IN CANADIAN CLASS B AIRSPACE BRINGS A REMINDER FROM ATC THAT THE RULES ARE DIFFERENT FROM THE UNITED STATES AIRSPACE.
Narrative: WE ARE IN CRUISE AT FL410 WITH ADEQUATE FUEL RESERVES. CLEVELAND FORCED US TO DSND APPROX 200 MI OUT, WHICH USED MORE FUEL. CLEVELAND VECTORED US FURTHER AWAY FROM OUR DEST. UPON REACHING FL180, WE CANCELED IFR TO GO DIRECT TO FNT. THE CTLR ASKED IF WE WERE AWARE OF CANADIAN AIRSPACE RULES. WE INDICATED 'WE THOUGHT SO, BUT WE ARE NOT SURE, PLEASE ADVISE US IF THERE IS A PROB.' HE INDICATED CANADIAN VFR AIRSPACE STARTED AS 12500 FT AND BELOW AND THEN HE WOULD CONTINUE TO VECTOR US UNTIL WE REACHED THAT ALT. WE WERE ONLY 5 MI FROM THE UNITED STATES BORDER AT THE TIME WE CANCELED AND WERE UNAWARE OF THE DIFFERENCES IN AIRSPACE.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.