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Mdt commuter aircraft given vector and told small aircraft would maintain visual separation. TCASII RA activates and evasive action taken.
| Attributes | |
| ACN | 210765 |
| Time | |
| Date | 199205 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : mdt |
| State Reference | PA |
| Altitude | msl bound lower : 4400 msl bound upper : 4400 |
| Environment | |
| Flight Conditions | Marginal |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : mdt |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Transport |
| Flight Phase | descent other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Retractable Gear |
| Flight Phase | cruise other |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 24 flight time total : 11000 flight time type : 350 |
| ASRS Report | 210765 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : atp |
| Events | |
| Anomaly | conflict : airborne less severe |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
We were on a 280 heading and we were advised to turn to a 235 degree heading and that an small aircraft would maintain visual separation with us. The TCASII was on 6 NM range and the small aircraft 'popped up' onto the screen. We could not identify the small aircraft and therefore complied with the TCASII 'descend -- increase descent.'
Original NASA ASRS Text
Title: MDT COMMUTER ACFT GIVEN VECTOR AND TOLD SMA WOULD MAINTAIN VISUAL SEPARATION. TCASII RA ACTIVATES AND EVASIVE ACTION TAKEN.
Narrative: WE WERE ON A 280 HDG AND WE WERE ADVISED TO TURN TO A 235 DEG HDG AND THAT AN SMA WOULD MAINTAIN VISUAL SEPARATION WITH US. THE TCASII WAS ON 6 NM RANGE AND THE SMA 'POPPED UP' ONTO THE SCREEN. WE COULD NOT IDENT THE SMA AND THEREFORE COMPLIED WITH THE TCASII 'DSND -- INCREASE DSCNT.'
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.