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Air carrier takes abrupt evasive action dive to avoid midair with small aircraft just after departure at cos.
| Attributes | |
| ACN | 202315 |
| Time | |
| Date | 199202 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : cos |
| State Reference | CO |
| Altitude | agl bound lower : 600 agl bound upper : 750 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tower : cos |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | climbout : initial |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Small Aircraft, High Wing, 1 Eng, Fixed Gear |
| Flight Phase | other |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 84 flight time total : 13000 flight time type : 5000 |
| ASRS Report | 202315 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : atp |
| Events | |
| Anomaly | conflict : nmac non adherence : far other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | faa : reviewed incident with flight crew |
| Miss Distance | horizontal : 0 vertical : 100 |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
I was PF and PIC of flight departing runway 17 at cos. As the wheels were just coming into the wells (I guess an AGL of 600-750 ft but cannot be sure as I was looking outside). I saw the landing light of an small aircraft coming from the left side of my aircraft and slightly higher. I promptly pushed the nose over to level or slightly down and pulled off power. The small aircraft passed directly over my aircraft as I saw his underbelly through my eyebrow window. I'm sure you hear this all the time but both my copilot and I agree: if I had not taken evasive action the result would have been a mid air collision. I have discussed this with a supervisor at cos and been told that: the controller was fpl. The small aircraft should not have been given right traffic pattern for runway 12 (should have been given left pattern). I should have been told of possible traffic (I was not -- tapes reviewed). I agree with the supervisors conclusions and only wish that the radar was able to record this incident for use in future training at the academy. This was a classic loss of separation which almost made the 5 O'clock news. An near midair collision report is being filed with FAA (den FSDO).
Original NASA ASRS Text
Title: ACR TAKES ABRUPT EVASIVE ACTION DIVE TO AVOID MIDAIR WITH SMA JUST AFTER DEP AT COS.
Narrative: I WAS PF AND PIC OF FLT DEPARTING RWY 17 AT COS. AS THE WHEELS WERE JUST COMING INTO THE WELLS (I GUESS AN AGL OF 600-750 FT BUT CANNOT BE SURE AS I WAS LOOKING OUTSIDE). I SAW THE LNDG LIGHT OF AN SMA COMING FROM THE L SIDE OF MY ACFT AND SLIGHTLY HIGHER. I PROMPTLY PUSHED THE NOSE OVER TO LEVEL OR SLIGHTLY DOWN AND PULLED OFF PWR. THE SMA PASSED DIRECTLY OVER MY ACFT AS I SAW HIS UNDERBELLY THROUGH MY EYEBROW WINDOW. I'M SURE YOU HEAR THIS ALL THE TIME BUT BOTH MY COPLT AND I AGREE: IF I HAD NOT TAKEN EVASIVE ACTION THE RESULT WOULD HAVE BEEN A MID AIR COLLISION. I HAVE DISCUSSED THIS WITH A SUPVR AT COS AND BEEN TOLD THAT: THE CTLR WAS FPL. THE SMA SHOULD NOT HAVE BEEN GIVEN R TFC PATTERN FOR RWY 12 (SHOULD HAVE BEEN GIVEN L PATTERN). I SHOULD HAVE BEEN TOLD OF POSSIBLE TFC (I WAS NOT -- TAPES REVIEWED). I AGREE WITH THE SUPVRS CONCLUSIONS AND ONLY WISH THAT THE RADAR WAS ABLE TO RECORD THIS INCIDENT FOR USE IN FUTURE TRAINING AT THE ACADEMY. THIS WAS A CLASSIC LOSS OF SEPARATION WHICH ALMOST MADE THE 5 O'CLOCK NEWS. AN NMAC RPT IS BEING FILED WITH FAA (DEN FSDO).
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.