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Near midair collision. Pilot of small aircraft aircraft inadvertently taxied onto runway in front of landing traffic at an uncontrolled airport.
| Attributes | |
| ACN | 222654 |
| Time | |
| Date | 199209 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : bzm airport : bzn |
| State Reference | MT |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : instructional |
| Make Model Name | Small Aircraft, High Wing, 1 Eng, Fixed Gear |
| Flight Phase | climbout : takeoff ground : holding ground other : taxi |
| Flight Plan | None |
| Aircraft 2 | |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Retractable Gear |
| Flight Phase | landing : go around landing other |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : cfi pilot : commercial |
| Experience | flight time last 90 days : 100 flight time total : 2100 flight time type : 60 |
| ASRS Report | 222654 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Events | |
| Anomaly | conflict : ground critical conflict : nmac incursion : runway other anomaly other |
| Independent Detector | other flight crewa other other : unspecified |
| Resolutory Action | flight crew : took evasive action other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
An large transport aircraft had landed and I was holding at runway 12 hold line for wake turbulence to clear. An small aircraft Y reported final for 21. I made a remark to my husband about that being strange and waited for 30 seconds more. I then scanned final for 12 without seeing any traffic and started onto the runway when I heard the small aircraft Y aircraft pilot say 'I don't believe that small aircraft X aircraft pulled out in front of me, I am going around.' I cleared the runway back to the hold line and the small aircraft Y proceeded to a landing. My attention had been fixed on the need to allow time for wake turbulence from the large transport aircraft to clear. I still do not understand why I did not see the small aircraft Y aircraft on final unless I looked further out than his position. The transposing of the runway numbers by the small aircraft Y pilot contributed to my belief that plane was somewhere else. I could have avoided the situation by more careful scanning and also by requesting confirmation of position from the small aircraft Y pilot.
Original NASA ASRS Text
Title: NMAC. PLT OF SMA ACFT INADVERTENTLY TAXIED ONTO RWY IN FRONT OF LNDG TFC AT AN UNCTLED ARPT.
Narrative: AN LGT ACFT HAD LANDED AND I WAS HOLDING AT RWY 12 HOLD LINE FOR WAKE TURB TO CLR. AN SMA Y RPTED FINAL FOR 21. I MADE A REMARK TO MY HUSBAND ABOUT THAT BEING STRANGE AND WAITED FOR 30 SECONDS MORE. I THEN SCANNED FINAL FOR 12 WITHOUT SEEING ANY TFC AND STARTED ONTO THE RWY WHEN I HEARD THE SMA Y ACFT PLT SAY 'I DON'T BELIEVE THAT SMA X ACFT PULLED OUT IN FRONT OF ME, I AM GOING AROUND.' I CLRED THE RWY BACK TO THE HOLD LINE AND THE SMA Y PROCEEDED TO A LNDG. MY ATTN HAD BEEN FIXED ON THE NEED TO ALLOW TIME FOR WAKE TURB FROM THE LGT ACFT TO CLR. I STILL DO NOT UNDERSTAND WHY I DID NOT SEE THE SMA Y ACFT ON FINAL UNLESS I LOOKED FURTHER OUT THAN HIS POS. THE TRANSPOSING OF THE RWY NUMBERS BY THE SMA Y PLT CONTRIBUTED TO MY BELIEF THAT PLANE WAS SOMEWHERE ELSE. I COULD HAVE AVOIDED THE SITUATION BY MORE CAREFUL SCANNING AND ALSO BY REQUESTING CONFIRMATION OF POS FROM THE SMA Y PLT.
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.