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Air carrier X TCASII RA with VFR Y. Evasive action taken. Near midair collision. See and avoid concept.
| Attributes | |
| ACN | 250918 |
| Time | |
| Date | 199309 |
| Day | Mon |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : rdu |
| State Reference | NC |
| Altitude | msl bound lower : 10000 msl bound upper : 10000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tower : baf |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | cruise other |
| Route In Use | arrival star : star enroute airway : rdu |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | other |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Experience | controller military : 4 controller radar : 9 |
| ASRS Report | 250918 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude conflict : nmac non adherence : clearance |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other controllera |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | vertical : 500 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Air carrier X was inbound on a STAR at 10000 ft, Y was climbing out of lfn airport to 14000 ft, VFR for a parachute jump. Both aircraft were on the same frequency. Traffic had been exchanged to both. Y reported air carrier X in sight and said he would maneuver around him. Air carrier X was advised of this, but still reported climbing on an RA. Y did exactly what he was supposed to do as a VFR aircraft -- see and avoid. Air carrier X responded to a ridiculous RA and then overreacted by climbing 1900 ft.
Original NASA ASRS Text
Title: ACR X TCASII RA WITH VFR Y. EVASIVE ACTION TAKEN. NMAC. SEE AND AVOID CONCEPT.
Narrative: ACR X WAS INBOUND ON A STAR AT 10000 FT, Y WAS CLBING OUT OF LFN ARPT TO 14000 FT, VFR FOR A PARACHUTE JUMP. BOTH ACFT WERE ON THE SAME FREQ. TFC HAD BEEN EXCHANGED TO BOTH. Y RPTED ACR X IN SIGHT AND SAID HE WOULD MANEUVER AROUND HIM. ACR X WAS ADVISED OF THIS, BUT STILL RPTED CLBING ON AN RA. Y DID EXACTLY WHAT HE WAS SUPPOSED TO DO AS A VFR ACFT -- SEE AND AVOID. ACR X RESPONDED TO A RIDICULOUS RA AND THEN OVERREACTED BY CLBING 1900 FT.
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.