Helena Regional Airport: Runway Incursions
44 reported incursions · 1 serious (Category A/B) · Helena, MT
By year
- 20262
- 20253
- 20242
- 20232
- 20184
- 20173
- 20167
- 20146
- 20123
- 20111
- 20102
- 20081
- 20073
- 20062
- 20051
- 20042
By severity category
- Category D — no immediate safety consequence27
- Other / pre-2008 classifications10
- Category C — ample margin to avoid a collision6
- Category B — significant separation loss1
By type
- Pilot deviation29
- Vehicle or pedestrian13
- Air traffic control2
Serious incursions (Category A and B)
2007-08-03 · Helena Regional Airport · B190 / M20T · RWY 9/34 · Category B
LOCAL CONTROL (LC) CLEARED A BEECH B190 FOR TAKEOFF ON RUNWAY 9. THIRTY SEVEN SECONDS LATER LC FORGOT ABOUT THE B190 AND CLEARED A MOONEY MO20T FOR TAKEOFF ON INTERSECTING RUNWAY 34. FLM OBSERVED THE MO20T CROSSING THE HOLD LINE FOR INTERSECTING RUNWAY 9 ON HIS TAKEOFF ROLL AS THE B190 WAS AIRBORNE BY TAXIWAY DELTA AND NOTIFIED LC. LC COULD NOT TAKE ANY CONTROL ACTIONS SINCE THE B190 WAS OVER FLYING THE MO20T AT THAT MOMENT. THE MO20T HAD NOT BEGUN TO ROTATE AS HE WAS PASSING THROUGH THE INTERSECTION AND THE B190 OVER FLEW THE MOONEY BY 100 FEET. THE B190 ROTATED NORMALLY, SOMEWHERE BETWEEN TAXIWAYS BRAVO AND DELTA, AND DID NOT SEE THE MO20T UNTIL THEY WERE OVER FLYING THE AIRCRAFT.
Counts are reported events, not a danger ranking. Before FY2008 the FAA used a narrower definition, so earlier years are not directly comparable.
Source: FAA Runway Safety (RWS) database, via ASIAS · United States Government public domain.