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Commuter light transport altitude deviation excursion from clearance altitude. Flight crew thought that radar service terminated meant IFR flight plan was cancelled.
| Attributes | |
| ACN | 134444 |
| Time | |
| Date | 199001 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : psp |
| State Reference | CA |
| Altitude | msl bound lower : 8500 msl bound upper : 9500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport, High Wing, 2 Turboprop Eng |
| Flight Phase | cruise other descent other |
| Route In Use | enroute airway : v388 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 2500 flight time type : 150 |
| ASRS Report | 134444 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 160 flight time total : 2100 |
| ASRS Report | 134447 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
We were with ont approach VFR on top through banning pass at 9500' MSL, navigating on V388 pdz 072030. Upon exiting ont's airspace, we were told that radar services were terminated and to contact psp approach 126.7 within a few mi, with the current squawk code. I understood this to mean that the fir clearance was cancelled and to proceed to psp VFR with a VFR arrival, making sure we had contacted psp arsa before proceeding west. Therefore, a VFR descent was initiated to 5500' MSL. Upon contacting psp arsa, while passing through 8500' MSL, was asked what our instructions had been from ont. He said I was still IFR. We were cleared visibility 2T downwind 30, and before going over to psp tower, I asked if there was a need to call them. Answer: no.
Original NASA ASRS Text
Title: COMMUTER LTT ALT DEVIATION EXCURSION FROM CLRNC ALT. FLT CREW THOUGHT THAT RADAR SERVICE TERMINATED MEANT IFR FLT PLAN WAS CANCELLED.
Narrative: WE WERE WITH ONT APCH VFR ON TOP THROUGH BANNING PASS AT 9500' MSL, NAVIGATING ON V388 PDZ 072030. UPON EXITING ONT'S AIRSPACE, WE WERE TOLD THAT RADAR SVCS WERE TERMINATED AND TO CONTACT PSP APCH 126.7 WITHIN A FEW MI, WITH THE CURRENT SQUAWK CODE. I UNDERSTOOD THIS TO MEAN THAT THE FIR CLRNC WAS CANCELLED AND TO PROCEED TO PSP VFR WITH A VFR ARR, MAKING SURE WE HAD CONTACTED PSP ARSA BEFORE PROCEEDING W. THEREFORE, A VFR DSCNT WAS INITIATED TO 5500' MSL. UPON CONTACTING PSP ARSA, WHILE PASSING THROUGH 8500' MSL, WAS ASKED WHAT OUR INSTRUCTIONS HAD BEEN FROM ONT. HE SAID I WAS STILL IFR. WE WERE CLRED VIS 2T DOWNWIND 30, AND BEFORE GOING OVER TO PSP TWR, I ASKED IF THERE WAS A NEED TO CALL THEM. ANSWER: NO.
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.