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EMB145 crew and PA28 were nose-to-nose at dro. The crew selected the wrong CTAF for voice announcements.
| Attributes | |
| ACN | 541568 |
| Time | |
| Date | 200203 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : dro.airport |
| State Reference | CO |
| Altitude | msl single value : 8500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdv.artcc tracon : bna.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | EMB ERJ 145 ER&LR |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | descent : approach landing : go around |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | PA-28 Cherokee/Archer II/Dakota/Pillan/Warrior |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : takeoff |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : instrument pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 20 flight time total : 5400 flight time type : 100 |
| ASRS Report | 541568 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : published procedure other anomaly other other spatial deviation |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | flight crew : executed go around none taken : detected after the fact other |
| Supplementary | |
| Problem Areas | ATC Human Performance Airport Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | other |
Narrative:
Upon approach into dro, winds were variable and favored neither runway 2 nor 20. Our company tailored approach plates indicated runway 2 was the primary runway, therefore, when ZDV handed us off to CTAF we made all the appropriate callouts in preparation to land runway 2. On approximately 4 mi final, I realized an aircraft was taking off/lifting off runway 20 in left closed traffic. I executed a go around and stayed to the west of the airport. It is then that I realized the captain had been transmitting and monitoring the wrong CTAF. Once on the correct frequency, we landed uneventfully. Contributing factors included me having never been to this airport, not catching the wrong frequency, and the fact that although runway 2 is the primary 'instrument' runway, it appears due to the layout of the txwys/runways, runway 20 is the primary runway during VMC.
Original NASA ASRS Text
Title: EMB145 CREW AND PA28 WERE NOSE-TO-NOSE AT DRO. THE CREW SELECTED THE WRONG CTAF FOR VOICE ANNOUNCEMENTS.
Narrative: UPON APCH INTO DRO, WINDS WERE VARIABLE AND FAVORED NEITHER RWY 2 NOR 20. OUR COMPANY TAILORED APCH PLATES INDICATED RWY 2 WAS THE PRIMARY RWY, THEREFORE, WHEN ZDV HANDED US OFF TO CTAF WE MADE ALL THE APPROPRIATE CALLOUTS IN PREPARATION TO LAND RWY 2. ON APPROX 4 MI FINAL, I REALIZED AN ACFT WAS TAKING OFF/LIFTING OFF RWY 20 IN L CLOSED TFC. I EXECUTED A GAR AND STAYED TO THE W OF THE ARPT. IT IS THEN THAT I REALIZED THE CAPT HAD BEEN XMITTING AND MONITORING THE WRONG CTAF. ONCE ON THE CORRECT FREQ, WE LANDED UNEVENTFULLY. CONTRIBUTING FACTORS INCLUDED ME HAVING NEVER BEEN TO THIS ARPT, NOT CATCHING THE WRONG FREQ, AND THE FACT THAT ALTHOUGH RWY 2 IS THE PRIMARY 'INST' RWY, IT APPEARS DUE TO THE LAYOUT OF THE TXWYS/RWYS, RWY 20 IS THE PRIMARY RWY DURING VMC.
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.