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  • F900 / B772, en-route, near Kihnu Island Estonia, 2013 (Synopsis: On 17 October 2013, a Falcon 900 climbing as cleared to FL 340 and being operated as a State Aircraft equipped with TCAS II v7.0 initially responded to a TCAS RA against crossing traffic at FL 350 in day VMC in the opposite direction to the one directed and prescribed separation was lost as a result. The Investigation concluded that the F900 crew had commenced a climb on receipt of a TCAS RA 'ADJUST VERTICAL SPEED' when a reduction in the 800 fpm rate of climb was required. Safety Recommendations were made in respect of TCAS RA requirements for State Aircraft.)
  • GLF5 / A319, south-eastern France, 2004 (Synopsis: On 16 September 2004, a loss of separation occurred over Geneva between Air France A319 and a Gulfstream 5 which commenced descent without clearance by ATC and with coordinated TCAS RAs not followed by either aircraft.)
  • T154 / B752, en-route, Uberlingen Germany, 2002 (Synopsis: On 1st July 2002, a Russian-operated Tu154 on a passenger flight collided at night with a cargo Boeing 757-200 over Ɯberlingen, Germany with the consequent loss of control of both aircraft and the death of all occupants. The collision occurred after an ATC control lapse had led to a conflict which generated coordinated TCAS RAs which the B757 followed but the TU-154, in the presence of a conflicting ATC instruction, did not.)