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Flight crew used wrong frequency when transmitting on unicom. After landing observed possible conflict as small aircraft appeared to be on a go around.
| Attributes | |
| ACN | 297300 |
| Time | |
| Date | 199502 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : hdn |
| State Reference | CO |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | descent : approach landing other |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 16000 flight time type : 600 |
| ASRS Report | 297300 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | non adherence : far other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | other |
Narrative:
On flight from dfw to hdn IFR flight plan was canceled with ZDV at 12000 ft MSL and 15 mi southeast of yampa valley airport. Winds were 200 degrees 4 KTS so a visual approach was made to runway 28. ZDV had advised there was no traffic between us and the airport. This was verified by TCASII. Copilot switched frequency from ZDV to unicom, made all the recommended position reports, etc, but he inadvertently dialed in the wrong frequency. Just after landing, a cessna was observed climbing above the outline of the mountains after terminating an approach to runway 10 and entering a left downwind for runway 28.
Original NASA ASRS Text
Title: FLC USED WRONG FREQ WHEN XMITTING ON UNICOM. AFTER LNDG OBSERVED POSSIBLE CONFLICT AS SMALL ACFT APPEARED TO BE ON A GAR.
Narrative: ON FLT FROM DFW TO HDN IFR FLT PLAN WAS CANCELED WITH ZDV AT 12000 FT MSL AND 15 MI SE OF YAMPA VALLEY ARPT. WINDS WERE 200 DEGS 4 KTS SO A VISUAL APCH WAS MADE TO RWY 28. ZDV HAD ADVISED THERE WAS NO TFC BTWN US AND THE ARPT. THIS WAS VERIFIED BY TCASII. COPLT SWITCHED FREQ FROM ZDV TO UNICOM, MADE ALL THE RECOMMENDED POS RPTS, ETC, BUT HE INADVERTENTLY DIALED IN THE WRONG FREQ. JUST AFTER LNDG, A CESSNA WAS OBSERVED CLBING ABOVE THE OUTLINE OF THE MOUNTAINS AFTER TERMINATING AN APCH TO RWY 10 AND ENTERING A L DOWNWIND FOR RWY 28.
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.