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Emj departing pai receive and respond to a TCASII RA. Crew noticed a cessna taking evasive action by turning and descending.
| Attributes | |
| ACN | 640160 |
| Time | |
| Date | 200412 |
| Day | Thu |
| Place | |
| Locale Reference | airport : pia.airport |
| State Reference | IL |
| Altitude | msl bound lower : 660 msl bound upper : 5000 |
| Aircraft 1 | |
| Controlling Facilities | tracon : pia.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | Embraer Jet Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : vacating altitude |
| Route In Use | departure : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Cessna Single Piston Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 640160 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | conflict : airborne critical non adherence : far |
| Independent Detector | atc equipment other atc equipment : radar/mode c aircraft equipment : tcas other flight crewa other flight crewb other other : 3 |
| Resolutory Action | controller : issued new clearance flight crew : took evasive action |
| Supplementary | |
| Problem Areas | Airspace Structure Flight Crew Human Performance ATC Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
While taxiing to runway 13, we were cleared for takeoff to fly the runway heading and maintain 5000 ft. After takeoff, while climbing we received a TCASII RA to 'descend, descend now.' while complying with the RA, we noticed a cessna on our right and making a turn to his left and descending to clear us. ATC asked if we were turning to the north. We were not given any instruction to turn. We then were given a turn to 360 degrees and to join the pia 35 degree radial on course. Upon arrival at ord, we asked the flight attendant if any passenger had mentioned anything. Apparently no one had noticed the near miss. We called the pia ATC from the chief pilot's office and informed the chief pilot of the incident. Remainder of the flight was normal.
Original NASA ASRS Text
Title: EMJ DEPARTING PAI RECEIVE AND RESPOND TO A TCASII RA. CREW NOTICED A CESSNA TAKING EVASIVE ACTION BY TURNING AND DSNDING.
Narrative: WHILE TAXIING TO RWY 13, WE WERE CLRED FOR TKOF TO FLY THE RWY HDG AND MAINTAIN 5000 FT. AFTER TKOF, WHILE CLBING WE RECEIVED A TCASII RA TO 'DSND, DSND NOW.' WHILE COMPLYING WITH THE RA, WE NOTICED A CESSNA ON OUR R AND MAKING A TURN TO HIS L AND DSNDING TO CLR US. ATC ASKED IF WE WERE TURNING TO THE N. WE WERE NOT GIVEN ANY INSTRUCTION TO TURN. WE THEN WERE GIVEN A TURN TO 360 DEGS AND TO JOIN THE PIA 35 DEG RADIAL ON COURSE. UPON ARR AT ORD, WE ASKED THE FLT ATTENDANT IF ANY PAX HAD MENTIONED ANYTHING. APPARENTLY NO ONE HAD NOTICED THE NEAR MISS. WE CALLED THE PIA ATC FROM THE CHIEF PLT'S OFFICE AND INFORMED THE CHIEF PLT OF THE INCIDENT. REMAINDER OF THE FLT WAS NORMAL.
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.