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Medium large transport and a brasilia have near midair collision when brasilia fails to maintain visual separation as cleared by ATC.
| Attributes | |
| ACN | 349810 |
| Time | |
| Date | 199610 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : hub airport : hou |
| State Reference | TX |
| Altitude | msl bound lower : 5400 msl bound upper : 5900 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : iah tower : cak |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Route In Use | enroute airway : v15 |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 165 flight time total : 22000 flight time type : 165 |
| ASRS Report | 349810 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | conflict : nmac non adherence : clearance non adherence : far |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 0 vertical : 500 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Level 6000 ft arrival to houston hobby airport with VFR conditions. Approach calls 10 O'clock traffic swbound, a brasilia, will climb maintaining visual separation. As I answered approach TCASII issued RA to climb and I visually observed brasilia with very high angle of climb in what appeared to be an attempt to pull up over us. Since he obviously had no intention of heeding his TCASII, instead of pulling up for an unknown altitude as the brasilia climbed under us we reversed and went down and under the aircraft. At 5400 ft the other aircraft passed 500 ft above us climbing. We climbed back to 6000 ft and continued to hobby. The first officer and I could only conclude that they were on a suicide mission.
Original NASA ASRS Text
Title: MLG AND A BRASILIA HAVE NMAC WHEN BRASILIA FAILS TO MAINTAIN VISUAL SEPARATION AS CLRED BY ATC.
Narrative: LEVEL 6000 FT ARR TO HOUSTON HOBBY ARPT WITH VFR CONDITIONS. APCH CALLS 10 O'CLOCK TFC SWBOUND, A BRASILIA, WILL CLB MAINTAINING VISUAL SEPARATION. AS I ANSWERED APCH TCASII ISSUED RA TO CLB AND I VISUALLY OBSERVED BRASILIA WITH VERY HIGH ANGLE OF CLB IN WHAT APPEARED TO BE AN ATTEMPT TO PULL UP OVER US. SINCE HE OBVIOUSLY HAD NO INTENTION OF HEEDING HIS TCASII, INSTEAD OF PULLING UP FOR AN UNKNOWN ALT AS THE BRASILIA CLBED UNDER US WE REVERSED AND WENT DOWN AND UNDER THE ACFT. AT 5400 FT THE OTHER ACFT PASSED 500 FT ABOVE US CLBING. WE CLBED BACK TO 6000 FT AND CONTINUED TO HOBBY. THE FO AND I COULD ONLY CONCLUDE THAT THEY WERE ON A SUICIDE MISSION.
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.