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An medium large transport responded to a TCASII command to climb. The intruder aircraft was VFR. ATC did not notify the air carrier medium large transport of the intruder.
| Attributes | |
| ACN | 222379 |
| Time | |
| Date | 199209 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : col airport : jfk |
| State Reference | NJ |
| Altitude | msl bound lower : 5600 msl bound upper : 6400 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90 tower : clt |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | cruise other |
| Route In Use | enroute airway : n90 |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise other |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : atp pilot : cfi pilot : flight engineer pilot : commercial |
| Experience | flight time last 90 days : 240 flight time total : 12000 flight time type : 350 |
| ASRS Report | 222379 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 250 flight time total : 11000 flight time type : 250 |
| ASRS Report | 222374 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude conflict : airborne less severe non adherence : required legal separation other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 0 vertical : 800 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Proceeding south to colts neck VOR on the 350 degree radial. Inbound at 6000 ft, we received a TCASII alert to 'climb.' traffic previously unrpted by ATC illuminated our TCASII. We observed traffic conflict on the TCASII and captain initiated a climb while I called ATC and advised them of our actions. There was no congestion on the frequency. The controller was not excited by this news at all. He stated that he knew of the traffic already. If he would have advised us of this traffic information, we may have been able to visually spot the other aircraft and therefore verify need to climb.
Original NASA ASRS Text
Title: AN MLG RESPONDED TO A TCASII COMMAND TO CLB. THE INTRUDER ACFT WAS VFR. ATC DID NOT NOTIFY THE ACR MLG OF THE INTRUDER.
Narrative: PROCEEDING S TO COLTS NECK VOR ON THE 350 DEG RADIAL. INBOUND AT 6000 FT, WE RECEIVED A TCASII ALERT TO 'CLB.' TFC PREVIOUSLY UNRPTED BY ATC ILLUMINATED OUR TCASII. WE OBSERVED TFC CONFLICT ON THE TCASII AND CAPT INITIATED A CLB WHILE I CALLED ATC AND ADVISED THEM OF OUR ACTIONS. THERE WAS NO CONGESTION ON THE FREQ. THE CTLR WAS NOT EXCITED BY THIS NEWS AT ALL. HE STATED THAT HE KNEW OF THE TFC ALREADY. IF HE WOULD HAVE ADVISED US OF THIS TFC INFO, WE MAY HAVE BEEN ABLE TO VISUALLY SPOT THE OTHER ACFT AND THEREFORE VERIFY NEED TO CLB.
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.