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Flight crew of an medium large transport air carrier aircraft climbed off of assigned descent altitude in response to a TCASII RA.
| Attributes | |
| ACN | 248728 |
| Time | |
| Date | 199308 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : bpr airport : dfw |
| State Reference | TX |
| Altitude | msl bound lower : 11000 msl bound upper : 11700 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zfw |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | descent other |
| Route In Use | arrival other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| 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 : 240 flight time total : 9500 flight time type : 4000 |
| ASRS Report | 248728 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 225 flight time total : 6000 flight time type : 225 |
| ASRS Report | 248579 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude conflict : nmac non adherence : clearance other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 3000 vertical : 1000 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Typical dfw 'pop-up' TCASII alert. Due to IMC conditions and no visual contact, had to climb from ATC assigned altitude of 11000 ft to 11700 ft before 'clear of conflict' call. Entire event lasted less than 30 seconds. ATC was advised and acknowledged.
Original NASA ASRS Text
Title: FLC OF AN MLG ACR ACFT CLBED OFF OF ASSIGNED DSCNT ALT IN RESPONSE TO A TCASII RA.
Narrative: TYPICAL DFW 'POP-UP' TCASII ALERT. DUE TO IMC CONDITIONS AND NO VISUAL CONTACT, HAD TO CLB FROM ATC ASSIGNED ALT OF 11000 FT TO 11700 FT BEFORE 'CLR OF CONFLICT' CALL. ENTIRE EVENT LASTED LESS THAN 30 SECONDS. ATC WAS ADVISED AND ACKNOWLEDGED.
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.