


When the project was put into operation in 1968, however, the aircraft were all flown by pilots of the Detachment 1, call sign 'Vampire'.

These aircraft were intended to be used as unmanned drones to monitor seismic and acoustic sensors dropped along the in and report troop and supply movements. An turbocharged, reduction-geared Continental GTSIO-520-G engine was used to reduce its noise signature, much like the later. QU-22 Pave Eagle The QU-22 was a Beech 36/A36 Bonanza modified during the to be an electronic monitoring signal relay aircraft, developed under the project name 'Pave Eagle' for the. The FAA instead opted to issue a Special Airworthiness Information Bulletin requesting that the elevator control cables be inspected during the annual inspection. The AD affected only Australian aircraft and was not adopted by the airworthiness authority responsible for the, the US. Aircraft with frayed cables were grounded until the cables were replaced and those that passed inspection were required to have their cables replaced within 60 days regardless.
