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Flight crew of a cpr learjet leveled off early for short time prior to reaching cruising altitude causing an ARTCC alert alarm and air detection error printout.
| Attributes | |
| ACN | 489020 |
| Time | |
| Date | 200010 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : bna.vortac |
| State Reference | TN |
| Altitude | msl single value : 36300 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | general aviation : corporate |
| Make Model Name | Learjet 23 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zid.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout other |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller limited radar : 10 controller non radar : 12 controller radar : 9 controller supervisory : 10 |
| ASRS Report | 489020 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : undershoot non adherence : clearance non adherence : published procedure non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert atc equipment other atc equipment : radar other controllera |
| Resolutory Action | none taken : detected after the fact |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance ATC Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation Operational Error |
Narrative:
Moderate traffic level. The lear was climbed to FL370. I had a northbound DC9 leveling at FL350. The cpr learjet was level at FL363 for at least 36 seconds without advising me. Conflict alert went off just prior to adep (air detection error printer.
Original NASA ASRS Text
Title: FLC OF A CPR LEARJET LEVELED OFF EARLY FOR SHORT TIME PRIOR TO REACHING CRUISING ALT CAUSING AN ARTCC ALERT ALARM AND AIR DETECTION ERROR PRINTOUT.
Narrative: MODERATE TFC LEVEL. THE LEAR WAS CLBED TO FL370. I HAD A NBOUND DC9 LEVELING AT FL350. THE CPR LEARJET WAS LEVEL AT FL363 FOR AT LEAST 36 SECONDS WITHOUT ADVISING ME. CONFLICT ALERT WENT OFF JUST PRIOR TO ADEP (AIR DETECTION ERROR PRINTER.
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.