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Air carrier widebody transport climbing through FL223 got a TCASII TA of traffic ahead FL220 1 NM. ARTCC reported no traffic in the area.
| Attributes | |
| ACN | 198259 |
| Time | |
| Date | 199201 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : aml |
| State Reference | VA |
| Altitude | msl bound lower : 22000 msl bound upper : 22300 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody, Low Wing, 3 Turbojet Eng |
| Navigation In Use | Other |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute airway : j149 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : cfi pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 9000 flight time type : 1000 |
| ASRS Report | 198259 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | aircraft : equipment problem dissipated |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
Cleared to FL230. Climbing out on departure from iad en route to den. Approximately 50 DME west of aml on J149 at FL223, we had a 'TA'. I saw on my screen FL220 traffic displayed in yellow diamond at 12 O'clock and 1 mi. I immediately increased our climb rate. The advisory and traffic disappeared. We asked ATC if there was any traffic near us at FL220 and he answered negative. Is this another instance of erroneous TCASII warning or was there really traffic at FL220? We will probably never know will we! Thanks, please add this to your files.
Original NASA ASRS Text
Title: ACR WDB CLBING THROUGH FL223 GOT A TCASII TA OF TFC AHEAD FL220 1 NM. ARTCC RPTED NO TFC IN THE AREA.
Narrative: CLRED TO FL230. CLBING OUT ON DEP FROM IAD ENRTE TO DEN. APPROX 50 DME W OF AML ON J149 AT FL223, WE HAD A 'TA'. I SAW ON MY SCREEN FL220 TFC DISPLAYED IN YELLOW DIAMOND AT 12 O'CLOCK AND 1 MI. I IMMEDIATELY INCREASED OUR CLB RATE. THE ADVISORY AND TFC DISAPPEARED. WE ASKED ATC IF THERE WAS ANY TFC NEAR US AT FL220 AND HE ANSWERED NEGATIVE. IS THIS ANOTHER INSTANCE OF ERRONEOUS TCASII WARNING OR WAS THERE REALLY TFC AT FL220? WE WILL PROBABLY NEVER KNOW WILL WE! THANKS, PLEASE ADD THIS TO YOUR FILES.
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.