 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Flight crew of medium large transport leveling at FL310 received a TCAS alert. Climbed 600'. Returned to FL310. No traffic sighted.
| Attributes | |
| ACN | 163373 |
| Time | |
| Date | 199011 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : abi airport : dfw |
| State Reference | TX |
| Altitude | msl bound lower : 31000 msl bound upper : 31600 |
| Environment | |
| Flight Conditions | Mixed |
| 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 | climbout : intermediate altitude cruise other |
| Route In Use | enroute airway : zfw |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 200 flight time total : 7000 flight time type : 300 |
| ASRS Report | 163373 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : instrument pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : less severe altitude deviation : excursion from assigned altitude |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On climb out from dfw, near level off at FL310, we received a TCAS ii alert to avoid traffic. We continued to climb about 600' then returned to FL310. We never saw the traffic. It was possibly a false TCAS ii alert, but like the GPWS, its better to be safe than sorry.
Original NASA ASRS Text
Title: FLT CREW OF MLG LEVELING AT FL310 RECEIVED A TCAS ALERT. CLIMBED 600'. RETURNED TO FL310. NO TRAFFIC SIGHTED.
Narrative: ON CLB OUT FROM DFW, NEAR LEVEL OFF AT FL310, WE RECEIVED A TCAS II ALERT TO AVOID TFC. WE CONTINUED TO CLB ABOUT 600' THEN RETURNED TO FL310. WE NEVER SAW THE TFC. IT WAS POSSIBLY A FALSE TCAS II ALERT, BUT LIKE THE GPWS, ITS BETTER TO BE SAFE THAN SORRY.
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.