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TCASII RA senses a potential conflict with opposite direction traffic, 500 ft below. Altitude deviation altitude excursion.
| Attributes | |
| ACN | 309020 |
| Time | |
| Date | 199506 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : pdn |
| State Reference | AK |
| Altitude | msl bound lower : 14000 msl bound upper : 14900 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zan |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Route In Use | enroute : direct enroute airway : zan |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Super King Air 200/Huron |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Route In Use | enroute : direct |
| Flight Plan | None |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 210 flight time total : 20000 flight time type : 10000 |
| ASRS Report | 309020 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude conflict : airborne less severe non adherence : clearance other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 3000 vertical : 200 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
TCASII RA deviation of plus 900 ft to resolve conflict. Other aircraft didn't deviate and is expected to be a be-200 air carrier. Said aircraft was not on an IFR or VFR flight plan.
Original NASA ASRS Text
Title: TCASII RA SENSES A POTENTIAL CONFLICT WITH OPPOSITE DIRECTION TFC, 500 FT BELOW. ALTDEV ALT EXCURSION.
Narrative: TCASII RA DEV OF PLUS 900 FT TO RESOLVE CONFLICT. OTHER ACFT DIDN'T DEVIATE AND IS EXPECTED TO BE A BE-200 ACR. SAID ACFT WAS NOT ON AN IFR OR VFR FLT PLAN.
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.