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A commuter flight crew taxied onto a runway for takeoff and discovered that an aircraft was departing from the opposite direction. The reporter cites the uncontrolled nature of the field, radio communication, and local topography as contributing to the incident.
| Attributes | |
| ACN | 333841 |
| Time | |
| Date | 199604 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : btm |
| State Reference | MT |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dawn |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 135 |
| Flight Phase | climbout : takeoff ground other : taxi |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | other : unknown |
| Flight Phase | climbout : takeoff |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 8000 |
| ASRS Report | 333841 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | conflict : ground critical |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : insufficient time |
| Consequence | Other |
| Miss Distance | vertical : 0 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | other |
Narrative:
While operating a flight out of butte to helena, we experienced an abnormal occurrence. After doing our originating first flight of the day checks, and announcing our departure, we taxied onto runway 33 for takeoff and in doing so became aware of another aircraft taking off from runway 15. We stopped, queried the departing plane, received back a 'sorry about that' response as it flew over the top. When clear, we departed for our destination. Contributing factors to this situation are the uncontrolled nature of the field, simultaneous radio xmissions, and the local topography on the field at butte.
Original NASA ASRS Text
Title: A COMMUTER FLC TAXIED ONTO A RWY FOR TKOF AND DISCOVERED THAT AN ACFT WAS DEPARTING FROM THE OPPOSITE DIRECTION. THE RPTR CITES THE UNCTLED NATURE OF THE FIELD, RADIO COM, AND LCL TOPOGRAPHY AS CONTRIBUTING TO THE INCIDENT.
Narrative: WHILE OPERATING A FLT OUT OF BUTTE TO HELENA, WE EXPERIENCED AN ABNORMAL OCCURRENCE. AFTER DOING OUR ORIGINATING FIRST FLT OF THE DAY CHKS, AND ANNOUNCING OUR DEP, WE TAXIED ONTO RWY 33 FOR TKOF AND IN DOING SO BECAME AWARE OF ANOTHER ACFT TAKING OFF FROM RWY 15. WE STOPPED, QUERIED THE DEPARTING PLANE, RECEIVED BACK A 'SORRY ABOUT THAT' RESPONSE AS IT FLEW OVER THE TOP. WHEN CLR, WE DEPARTED FOR OUR DEST. CONTRIBUTING FACTORS TO THIS SIT ARE THE UNCTLED NATURE OF THE FIELD, SIMULTANEOUS RADIO XMISSIONS, AND THE LCL TOPOGRAPHY ON THE FIELD AT BUTTE.
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.