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An FK100 flight crew performs a go around when their TCASII RA detects unrpted traffic in proximity of the flight 5 mi north of cos, co.
| Attributes | |
| ACN | 472220 |
| Time | |
| Date | 200005 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : cos.airport |
| State Reference | CO |
| Altitude | msl single value : 7500 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : cos.tower tower : atl.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Fokker 100 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | ils localizer & glide slope : 17l |
| Flight Phase | descent : intermediate altitude |
| Route In Use | approach : instrument precision approach : straight in |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : cos.tower |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Navigation In Use | other |
| Flight Phase | cruise : level |
| Route In Use | enroute : direct |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 472220 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : instrument pilot : commercial |
| Events | |
| Anomaly | airspace violation : entry non adherence : far non adherence : published procedure other anomaly other other spatial deviation |
| Independent Detector | aircraft equipment : tcas other controllera |
| Resolutory Action | flight crew : executed go around |
| Consequence | faa : reviewed incident with flight crew other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Airspace Structure ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On localizer runway 17L at cos we received an RA for traffic followed by a climb command. We did not see any traffic so we went around. Tower said they had the traffic in sight, but we never saw them, so we went around and did it again with no problems.
Original NASA ASRS Text
Title: AN FK100 FLC PERFORMS A GAR WHEN THEIR TCASII RA DETECTS UNRPTED TFC IN PROX OF THE FLT 5 MI N OF COS, CO.
Narrative: ON LOC RWY 17L AT COS WE RECEIVED AN RA FOR TFC FOLLOWED BY A CLB COMMAND. WE DID NOT SEE ANY TFC SO WE WENT AROUND. TWR SAID THEY HAD THE TFC IN SIGHT, BUT WE NEVER SAW THEM, SO WE WENT AROUND AND DID IT AGAIN WITH NO PROBS.
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.