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An large transport followed a TCASII command to climb. The intruding aircraft was leveling 1000 ft below and 2 mi away.
| Attributes | |
| ACN | 221809 |
| Time | |
| Date | 199209 |
| Day | Sat |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : bpr airport : dfw |
| State Reference | TX |
| Altitude | msl bound lower : 11000 msl bound upper : 11700 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : dfw |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | cruise other descent other |
| Route In Use | arrival other arrival star : star |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | climbout : intermediate altitude cruise other |
| Route In Use | departure other departure sid : sid |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 150 flight time total : 8000 flight time type : 5000 |
| ASRS Report | 221809 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other controllera other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 15000 vertical : 900 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
TCASII issued a 'RA' commanding a 1500-2000 FPM climb. First officer left assigned 11000 ft altitude and climbed to 11700 ft when TCASII gave 'clear of conflict.' first officer descended back to 11000 ft. Meanwhile, captain informed approach control of the TCASII RA and our actions. Approach advised the traffic was an aircraft departing dfw and climbing to 10000 ft MSL.
Original NASA ASRS Text
Title: AN LGT FOLLOWED A TCASII COMMAND TO CLB. THE INTRUDING ACFT WAS LEVELING 1000 FT BELOW AND 2 MI AWAY.
Narrative: TCASII ISSUED A 'RA' COMMANDING A 1500-2000 FPM CLB. FO LEFT ASSIGNED 11000 FT ALT AND CLBED TO 11700 FT WHEN TCASII GAVE 'CLR OF CONFLICT.' FO DSNDED BACK TO 11000 FT. MEANWHILE, CAPT INFORMED APCH CTL OF THE TCASII RA AND OUR ACTIONS. APCH ADVISED THE TFC WAS AN ACFT DEPARTING DFW AND CLBING TO 10000 FT MSL.
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.