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A B727-200 flight crew flying in N-90 airspace has an near midair collision as a twin cessna flies toward them. The flight crew follows instructions from the TCASII RA.
| Attributes | |
| ACN | 409478 |
| Time | |
| Date | 199807 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : lga |
| State Reference | NY |
| Altitude | msl bound lower : 9000 msl bound upper : 9250 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90 |
| Operator | common carrier : air carrier |
| Make Model Name | B727-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other descent other |
| Route In Use | arrival other enroute : direct |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Cessna Twin Piston Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 160 flight time total : 12000 flight time type : 1900 |
| ASRS Report | 409478 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | conflict : nmac inflight encounter : vfr in imc non adherence : far |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other controllera other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 0 vertical : 400 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
We were level at 9000 ft MSL, and had just been cleared direct to lga by new york approach control (frequency 127.3). Our location was approximately 30 NM southwest of lga VOR. The controller advised that there was VFR traffic in our 12 O'clock position, a twin cessna VFR at 8500 ft MSL. We responded that we would look for him, and acquired a target on the TCASII. As the target approached, we were IMC in clouds, and the TCASII gave an RA of 'climb.' we climbed to 9250 ft MSL before the TCASII announced 'clear of conflict.' as we passed the target on the TCASII at 9250 ft MSL, the screen showed that it was 400 ft below our altitude. I notified the controller of our actions in response to the TCASII while in IMC conditions. Time was XX07Z, location approximately the lga 233 degree radial/28 DME. I don't see how this traffic could possibly be VFR.
Original NASA ASRS Text
Title: A B727-200 FLC FLYING IN N-90 AIRSPACE HAS AN NMAC AS A TWIN CESSNA FLIES TOWARD THEM. THE FLC FOLLOWS INSTRUCTIONS FROM THE TCASII RA.
Narrative: WE WERE LEVEL AT 9000 FT MSL, AND HAD JUST BEEN CLRED DIRECT TO LGA BY NEW YORK APCH CTL (FREQ 127.3). OUR LOCATION WAS APPROX 30 NM SW OF LGA VOR. THE CTLR ADVISED THAT THERE WAS VFR TFC IN OUR 12 O'CLOCK POS, A TWIN CESSNA VFR AT 8500 FT MSL. WE RESPONDED THAT WE WOULD LOOK FOR HIM, AND ACQUIRED A TARGET ON THE TCASII. AS THE TARGET APCHED, WE WERE IMC IN CLOUDS, AND THE TCASII GAVE AN RA OF 'CLB.' WE CLBED TO 9250 FT MSL BEFORE THE TCASII ANNOUNCED 'CLR OF CONFLICT.' AS WE PASSED THE TARGET ON THE TCASII AT 9250 FT MSL, THE SCREEN SHOWED THAT IT WAS 400 FT BELOW OUR ALT. I NOTIFIED THE CTLR OF OUR ACTIONS IN RESPONSE TO THE TCASII WHILE IN IMC CONDITIONS. TIME WAS XX07Z, LOCATION APPROX THE LGA 233 DEG RADIAL/28 DME. I DON'T SEE HOW THIS TFC COULD POSSIBLY BE VFR.
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.