AAIB investigation to Brian Taylor AT6, (UAS registration n/a) – sUAS Information


A big mannequin plane was being flown at a membership website when communication between the pilot and with the plane was misplaced. The plane struck the aspect of a parked lorry trailer in a distribution park. The reason for the communication loss couldn’t be decided.

Historical past of the flight

The Brian Taylor AT6 is a 1:5 scale flying mannequin of the North American T-6 Texan (Harvard). It has a wingspan of two.3 m (92”), a takeoff mass of 5.4 kg (12 lb) and is powered by a 29.35 cc (1.79 cu in) four-stroke engine utilizing a gas combination of methanol, nitromethane and oil.

The plane was flown at a mannequin flying membership airfield close to a distribution centre and the pilot had accomplished a number of circuits of the sector when he misplaced communication with the UA. The unresponsive plane maintained a straight and degree angle in a north-easterly course, at roughly half throttle, till it struck the aspect of a parked curtain-sided lorry trailer.

A witness close by heard the influence and reported that the engine continued to run after the plane had been destroyed.

The operate of the plane programs had been checked by the pilot previous to take off, the battery was charged and its voltage verified. Examination by the pilot and different membership members after the accident, couldn’t establish any faults which might clarify the lack of communication.

It was suspected by the pilot that 2.4 GHz jamming units had been being operated by a few of the corporations on the distribution centre to forestall workers from utilizing cell telephones.

It was confirmed to the AAIB that no such units had been in operation. Moreover it’s an offence below part 68 of the Wi-fi Telegraphy Act 20061 to “use any equipment, together with jammers, for the needs of intentionally interfering with wi-fi telegraphy (radio communications) within the UK”