 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
2 small aircraft's made simultaneous takeoffs on intersecting runways and had near midair collision. Trees adjacent to airport runways blocked view of each other in takeoff position. Unable to read each others announcement of takeoff intentions at uncontrolled airport.
| Attributes | |
| ACN | 140572 |
| Time | |
| Date | 199003 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : omn |
| State Reference | FL |
| Altitude | agl bound lower : 100 agl bound upper : 100 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, High Wing, 1 Eng, Fixed Gear |
| Flight Phase | climbout : takeoff |
| Flight Plan | VFR |
| Aircraft 2 | |
| Operator | general aviation : personal |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Retractable Gear |
| Flight Phase | climbout : takeoff |
| Flight Plan | None |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument pilot : cfi pilot : commercial |
| Experience | flight time last 90 days : 30 flight time total : 1400 flight time type : 300 |
| ASRS Report | 140572 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Events | |
| Anomaly | conflict : nmac |
| Independent Detector | other other : unspecified cockpit |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 500 vertical : 50 |
| Supplementary | |
| Primary Problem | Airport |
| Air Traffic Incident | other |
| Situations | |
| Airport | other physical facility |
Narrative:
Both aircraft taking off at same time. Both aircraft announced takeoff, but neither heard the other's transmission on 122.7. Both aircraft communicated with each other after takeoff and evasive action. We don't know why we didn't hear each other before takeoff. Wind was more in line with runway 35. We couldn't see each other because of the trees.
Original NASA ASRS Text
Title: 2 SMA'S MADE SIMULTANEOUS TKOFS ON INTERSECTING RWYS AND HAD NMAC. TREES ADJACENT TO ARPT RWYS BLOCKED VIEW OF EACH OTHER IN TKOF POSITION. UNABLE TO READ EACH OTHERS ANNOUNCEMENT OF TKOF INTENTIONS AT UNCONTROLLED ARPT.
Narrative: BOTH ACFT TAKING OFF AT SAME TIME. BOTH ACFT ANNOUNCED TKOF, BUT NEITHER HEARD THE OTHER'S XMISSION ON 122.7. BOTH ACFT COMMUNICATED WITH EACH OTHER AFTER TKOF AND EVASIVE ACTION. WE DON'T KNOW WHY WE DIDN'T HEAR EACH OTHER BEFORE TKOF. WIND WAS MORE IN LINE WITH RWY 35. WE COULDN'T SEE EACH OTHER BECAUSE OF THE TREES.
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.