Airprox, TL Ultralight s.r.o. TL-3000 Sirius, PH-4U9 and Scheibe Aircraft GmbH SF 25 C, PH-1544, near Dalfsen
The crew of the Sirius had taken off from Teuge International Airport for an instructional flight under visual flight rules (VFR) towards Hoogeveen Airport. After leaving the circuit area, they contacted Dutch Mil Info for flight information service. The activated transponder meant that the aircraft was visible on radar: it was flying north of Heino at an altitude of around 1,200 feet (in Class G airspace) on a northeasterly course, intending to pass Dalfsen to the east.
The Scheibe had taken off from Runway 27 of glider airfield Lemelerveld (Salland) for a local flight. The pilot was seated in the left-hand seat, with a passenger on his right. The pilot of the Scheibe declared that following takeoff, he had flown straight ahead in a westerly direction and was climbing to an altitude of more than 1,500 feet. The aircraft would thus end up in Class E airspace.
According to the instructor in the Sirius, the trainee pilot was the first to observe the Scheibe approaching from the right, at which point, in a reflex, the trainee pilot initiated a roll to the right. As soon as the instructor saw the Scheibe – according to his estimate at a horizontal separation of 50 metres and 20 metres higher – he forced the nose of the Sirius down, to avoid the Scheibe. The pilot of the Scheibe stated that he had not seen the Sirius.
Radar information shows that the Scheibe was last detected at an altitude of approximately 500 feet during its approach for landing during its previous flight. Around one minute after the two aircraft had passed each other, the Scheibe for the first time reappeared on the radar at an altitude of 1,380 feet. The pilot of the Scheibe was unable to provide an explanation for this.
More information can be found in our Quarterly Aviation Report Q4 2022.
