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Near midair collision between an ATR72 cruising at 14000 ft MSL and a piper malibu, PA46 passing 500 ft below. Reporter in the ATR72 climbed in response to a TCASII RA even though traffic was sighted. ARTCC radar controller issued a TA prior to the TCASII RA.
| Attributes | |
| ACN | 404367 |
| Time | |
| Date | 199806 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : sgf |
| State Reference | MO |
| Altitude | msl bound lower : 14000 msl bound upper : 14350 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | ATR 72 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Route In Use | enroute airway : zkc |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | PA-46 Malibu |
| Operating Under FAR Part | other : unknown |
| Flight Phase | cruise other |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : cfi pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 240 flight time total : 1700 flight time type : 300 |
| ASRS Report | 404367 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | conflict : nmac other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : took evasive action flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Miss Distance | horizontal : 0 vertical : 500 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
Narrative:
At cruise flight (14000 ft MSL) en route from stl to sgf, we received a TA on the TCASII. The captain and myself then immediately began looking for the traffic. We then received a TA from center reporting traffic to be at our 1-2 O'clock position. Very shortly thereafter we received an RA on the TCASII, alerting us to climb, so therefore I began an immediate climb. At the time we verified the traffic visually, I had climbed to 14350 ft MSL. The single engine traffic passed off our nose approximately within 500 ft below us. TCASII advised 'clear of conflict' and no other problem came of it.
Original NASA ASRS Text
Title: NMAC BTWN AN ATR72 CRUISING AT 14000 FT MSL AND A PIPER MALIBU, PA46 PASSING 500 FT BELOW. RPTR IN THE ATR72 CLBED IN RESPONSE TO A TCASII RA EVEN THOUGH TFC WAS SIGHTED. ARTCC RADAR CTLR ISSUED A TA PRIOR TO THE TCASII RA.
Narrative: AT CRUISE FLT (14000 FT MSL) ENRTE FROM STL TO SGF, WE RECEIVED A TA ON THE TCASII. THE CAPT AND MYSELF THEN IMMEDIATELY BEGAN LOOKING FOR THE TFC. WE THEN RECEIVED A TA FROM CTR RPTING TFC TO BE AT OUR 1-2 O'CLOCK POS. VERY SHORTLY THEREAFTER WE RECEIVED AN RA ON THE TCASII, ALERTING US TO CLB, SO THEREFORE I BEGAN AN IMMEDIATE CLB. AT THE TIME WE VERIFIED THE TFC VISUALLY, I HAD CLBED TO 14350 FT MSL. THE SINGLE ENG TFC PASSED OFF OUR NOSE APPROX WITHIN 500 FT BELOW US. TCASII ADVISED 'CLR OF CONFLICT' AND NO OTHER PROB CAME OF IT.
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.