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Air carrier X TCASII RA unauthorized climb from assigned altitude had less than standard separation from air carrier Z. Pilot deviation.
| Attributes | |
| ACN | 185982 |
| Time | |
| Date | 199108 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : pdz |
| State Reference | CA |
| Altitude | msl bound lower : 9000 msl bound upper : 9000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : ont |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | climbout : intermediate altitude cruise other |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Fixed Gear |
| Flight Phase | cruise other |
| Route In Use | enroute : direct |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Experience | controller radar : 20 |
| ASRS Report | 185982 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude conflict : airborne less severe non adherence : required legal separation non adherence : clearance |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 12000 vertical : 500 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Air carrier X eastbound at 9000 ft. Small aircraft Y wbound VFR at 8500 ft. Air carrier Z wbound at 10000 ft. Air carrier X received TCAS alert on small aircraft Y (primary target). Climbed into air carrier Z. Less than standard separation occurred.
Original NASA ASRS Text
Title: ACR X TCASII RA UNAUTH CLB FROM ASSIGNED ALT HAD LTSS FROM ACR Z. PLTDEV.
Narrative: ACR X EBOUND AT 9000 FT. SMA Y WBOUND VFR AT 8500 FT. ACR Z WBOUND AT 10000 FT. ACR X RECEIVED TCAS ALERT ON SMA Y (PRIMARY TARGET). CLBED INTO ACR Z. LTSS OCCURRED.
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.