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Potential conflict that would have been a near midair collision had it not been for the evasive action dive taken by PIC of air carrier Y.
| Attributes | |
| ACN | 200664 |
| Time | |
| Date | 199201 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : ptw airport : phl |
| State Reference | PA |
| Altitude | msl bound lower : 4000 msl bound upper : 5700 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tracon : phl tower : fsd |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute : direct |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport, High Wing, 2 Turboprop Eng |
| Flight Phase | cruise other |
| Route In Use | enroute : direct |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 139 flight time total : 12180 flight time type : 48 |
| ASRS Report | 200664 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : nmac non adherence : clearance non adherence : far |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 0 vertical : 600 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
We were level at 4000 ft when departure asked if we had traffic in sight at 9:30 to 10 O'clock. We said we had that traffic, which was an light transport turbo. We were then cleared to 6000 ft maintain visual separation. On our climb the light transport Y said that he had to deviate from his altitude because we were too close. We had him in sight at all times and when he went under us we were out of 5700 ft. I guess close for some people is too close for others. There was never any time when we thought the airplanes were close enough for evasive action.
Original NASA ASRS Text
Title: POTENTIAL CONFLICT THAT WOULD HAVE BEEN A NMAC HAD IT NOT BEEN FOR THE EVASIVE ACTION DIVE TAKEN BY PIC OF ACR Y.
Narrative: WE WERE LEVEL AT 4000 FT WHEN DEP ASKED IF WE HAD TFC IN SIGHT AT 9:30 TO 10 O'CLOCK. WE SAID WE HAD THAT TFC, WHICH WAS AN LTT TURBO. WE WERE THEN CLRED TO 6000 FT MAINTAIN VISUAL SEPARATION. ON OUR CLB THE LTT Y SAID THAT HE HAD TO DEVIATE FROM HIS ALT BECAUSE WE WERE TOO CLOSE. WE HAD HIM IN SIGHT AT ALL TIMES AND WHEN HE WENT UNDER US WE WERE OUT OF 5700 FT. I GUESS CLOSE FOR SOME PEOPLE IS TOO CLOSE FOR OTHERS. THERE WAS NEVER ANY TIME WHEN WE THOUGHT THE AIRPLANES WERE CLOSE ENOUGH FOR EVASIVE ACTION.
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.