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Approach controller observes near midair collision less than standard separation between air carrier X and small transport Y in air traffic area. System error.
| Attributes | |
| ACN | 246355 |
| Time | |
| Date | 199307 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : jfk |
| State Reference | NY |
| Altitude | msl bound lower : 1000 msl bound upper : 1000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90 |
| Operator | common carrier : air carrier |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Small Transport, Low Wing, 2 Recip Eng |
| Flight Phase | descent : approach |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Experience | controller military : 4 controller radar : 9 |
| ASRS Report | 246355 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : local |
| Qualification | controller : non radar |
| Events | |
| Anomaly | conflict : nmac non adherence : published procedure non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Miss Distance | vertical : 400 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
Narrative:
I observed air carrier X close on final within close proximity to small transport Y.
Original NASA ASRS Text
Title: APCH CTLR OBSERVES NMAC LTSS BTWN ACR X AND SMT Y IN ATA. SYS ERROR.
Narrative: I OBSERVED ACR X CLOSE ON FINAL WITHIN CLOSE PROX TO SMT Y.
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.