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Uberlingen: Bashkirian 2937 and DHL 611

Printed page 6. PDF page 8.

/Italy to Brussels /Belgium, collided near the town of Ueberlingen (Lake Constance) in a dark night; the in-flight visibility at the flight level concerned was 10 km and more. Both airplanes impacted the ground north of the town of Ueberlingen.
Open final report at PDF page 8BFU AX001-1-2/02: collision near Ueberlingen

Uberlingen: Bashkirian 2937 and DHL 611

Printed page 70. PDF page 72.

from the instruments because a visual altitude estimation of conflicting traffic at dark night and at such a distance is not possi- ble. Especially since the TU154M just then executed a heading correction with a right bank an- gle of
Open final report at PDF page 72BFU AX001-1-2/02: collision near Ueberlingen

Uberlingen: Bashkirian 2937 and DHL 611

Printed page 71. PDF page 73.

a safe evaluation of altitudes, flight directions, airspeeds and flight attitudes in dark night is not possible. The RA "increase climb" issued at 21:35:24 hrs was commented only by the copilot with the words "It says: `climb!". Apparently, just the
Open final report at PDF page 73BFU AX001-1-2/02: collision near Ueberlingen

Uberlingen: Bashkirian 2937 and DHL 611

Printed page 107. PDF page 109.

the TU154M. Accident � At the time of the accident visual meteorological conditions at dark night prevailed. � Due to the high closure rate of 702 kt - 718 kt (361 -369 m/s) and the darkness, a visual avoidance manoeuvre
Open final report at PDF page 109BFU AX001-1-2/02: collision near Ueberlingen