TFC PATTERN PROC AT AN UNCTLED ARPT.

1992-06 · NASA ASRS report 214010

Date: 1992-06 · Aircraft: Light Transport; Low Wing; 2 Turboprop Eng

Anomalies: deviation-discrepancy-procedural-other-unknown|deviation-discrepancy-procedural-published-material-policy|deviation-discrepancy-procedural-far|other-unspecified

Synopsis

TFC PATTERN PROC AT AN UNCTLED ARPT.

Narrative

WE WERE BEING LINE CHKED BY AN FAA OFFICIAL. WE WERE APCHING DRO FROM THE N ON AN INST FLT PLAN FROM DEN. WE CANCELLED IFR APPROX 30 NM AWAY AT 17500 FT MSL. APPROX 20 NM N OF DRO; WE RPTED OUR POS ON UNICOM. THE AWOS RPTED THE WIND 220 DEGS AT 20 KTS MAKING RWY 20 THE FAVORED RWY. ANOTHER ACFT (SINGLE ENG) SMA RPTED 13 NM S OF DRO INBOUND ON THE DRO LOC RWY 2 APCH. HE RPTED THAT HE WOULD BE EXECUTING THE MISSED APCH. OUR ACFT AND THE SMA WERE CONVERGING FROM OPPOSITE DIRECTIONS TO DRO. SINCE OUR SPD WAS 160-180 KTS (DISTANCE 20 NM FROM DRO) AND HIS ABOUT 100-120 KTS (DISTANCE 13 NM FROM DRO) WE ESTIMATED THAT WE WOULD ARRIVE SIMULTANEOUSLY AT THE RWY. L TFC IS UTILIZED FOR RWY 20. IF WE CHOSE TO ENTER THE PATTERN ON THE 45 ENTRY AND MAKE L TURNS TO RWY 20; THEN A COLLISION HAZARD WOULD EXIST BECAUSE OUR FLT PATH WOULD INTERSECT HIS MISSED APCH FLT PATH. A COLLISION HAZARD WOULD ALSO EXIST IF WE CHOSE AN UPWIND ENTRY TO RWY 20. SEE DIAGRAM. TO AVOID A TFC CONFLICT; WE CHOSE TO LAND STRAIGHT-IN TO RWY 20. WE CONTINUED TO MAKE RADIO CALLS AND COMMUNICATE TO THE SMA OUR POS AND INTENTIONS TO MAKE A STRAIGHT-IN APCH TO RWY 20. WE ALSO CAREFULLY CHKED FOR ANY NON-RADIO TFC ON THE L AND R BASE LEGS TO RWY 20. WE TOUCHED DOWN ON RWY 20 AT ABOUT THE SAME TIME THE SMA RPTED EXECUTING THE MISSED APCH. THERE WAS NO TFC CONFLICT AND THE SMA MADE NO MENTION OF ONE. ON THE GND; THE FAA OFFICIAL TOLD US TO REVIEW THE AIRMAN'S INFO MANUAL FOR RECOMMENDED PATTERN ENTRIES AT AN UNCTLED ARPT.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.

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