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An F100 captain was warned by N90 and hpn tower of an aircraft maneuvering on the final approach, not in contact with ATC. The captain took evasive action when he encountered the aircraft at the OM.
| Attributes | |
| ACN | 450597 |
| Time | |
| Date | 199909 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : hpn.airport |
| State Reference | NY |
| Altitude | msl single value : 2200 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90.tracon tower : hpn.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Fokker 100 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | ils localizer & glide slope : 16 |
| Flight Phase | descent : approach descent : vacating altitude |
| Route In Use | approach : instrument precision |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : hpn.tower |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : multi engine pilot : instrument pilot : atp pilot : commercial pilot : flight engineer |
| Experience | flight time last 90 days : 300 flight time total : 14000 flight time type : 3500 |
| ASRS Report | 450597 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Events | |
| Anomaly | conflict : airborne critical conflict : nmac non adherence : required legal separation non adherence : far non adherence : published procedure |
| Independent Detector | atc equipment : conflict alert other controllera other controllerb other flight crewa |
| Resolutory Action | controller : issued alert flight crew : took evasive action |
| Miss Distance | horizontal : 6000 vertical : 300 |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
Both new york approach control and hpn tower reported that an aircraft was in the area at 1900 ft MSL and that they were not in contact with ATC. We located this aircraft as we approached the OM. We had to turn to the left and level off to avoid this aircraft.
Original NASA ASRS Text
Title: AN F100 CAPT WAS WARNED BY N90 AND HPN TWR OF AN ACFT MANEUVERING ON THE FINAL APCH, NOT IN CONTACT WITH ATC. THE CAPT TOOK EVASIVE ACTION WHEN HE ENCOUNTERED THE ACFT AT THE OM.
Narrative: BOTH NEW YORK APCH CTL AND HPN TWR RPTED THAT AN ACFT WAS IN THE AREA AT 1900 FT MSL AND THAT THEY WERE NOT IN CONTACT WITH ATC. WE LOCATED THIS ACFT AS WE APCHED THE OM. WE HAD TO TURN TO THE L AND LEVEL OFF TO AVOID THIS ACFT.
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.