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Canadian approach controller issued a descend clearance to the pilot without specifying an altitude to maintain.
| Attributes | |
| ACN | 144182 |
| Time | |
| Date | 199004 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : yyz |
| State Reference | ON |
| Altitude | msl bound lower : 8000 msl bound upper : 9000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : corporate |
| Make Model Name | Small Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | descent other |
| Route In Use | enroute : on vectors enroute airway : yyz |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : cfi pilot : instrument pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 140 flight time total : 6000 flight time type : 1700 |
| ASRS Report | 144182 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Deviation |
Narrative:
Level at 9000' on radar vectors for runway 24R at yyz. We were told to start descent but not told what altitude to descend to. We tried to reach approach 3 times, but frequency was too busy. We started slow descent and finally we were told to descend to 8000'. Is this a common practice in canada? It doesn't seem very safe.
Original NASA ASRS Text
Title: CANADIAN APCH CTLR ISSUED A DESCEND CLRNC TO THE PLT WITHOUT SPECIFYING AN ALT TO MAINTAIN.
Narrative: LEVEL AT 9000' ON RADAR VECTORS FOR RWY 24R AT YYZ. WE WERE TOLD TO START DSNT BUT NOT TOLD WHAT ALT TO DSND TO. WE TRIED TO REACH APCH 3 TIMES, BUT FREQ WAS TOO BUSY. WE STARTED SLOW DSNT AND FINALLY WE WERE TOLD TO DSND TO 8000'. IS THIS A COMMON PRACTICE IN CANADA? IT DOESN'T SEEM VERY SAFE.
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.