The captain of VH-KDO gave taxiing calls on both MBZ and FS frequencies, advising they were taxiing for runway 09. Shortly before commencing their take-off roll, the crew of KDO heard the pilot of VH-PRN advise he was taxiing for runway 36. As they commenced their take-off roll, the captain made a call to "all stations Mildura and PRN - KDO is rolling runway 09". The pilot of PRN acknowledged that call. After they had passed V1 and rotated, they saw PRN becoming airborne from runway 36. The crew of KDO took avoiding action, passing approximately 300 ft above and 100 to 150 m behind PRN.
The pilot of PRN reported later that he had misinterpreted the "rolling" call from KDO, and believed when he heard that call, KDO was in fact commencing to taxi. At Mildura there are aerodrome buildings located between the thresholds of runways 36 and 09 so that a pilot in an aircraft at one threshold cannot see an aircraft at the other threshold nor for the initial part of the take-off run. There is a notice to this effect in the Enroute Supplement.
