31. Problems with gearbox vibration and combustion were dealt with during the test programme and were mirrored by problems in the Allison T40 programme. 32. By the end of the test programme in 1975 the RB . 193 had accumulated 12 hours of flight time and 91 flights. 33. Despite completing its test programme satisfactorily, no production order was received and the sole prototype was the only X-114 built. 34. The test programme would have involved the progressive testing and development of the M . 52 by the RAE, initially without reheat installed. 35. During August 2010, Pirelli commenced its test programme with the Toyota TF109 at the Mugello Circuit with Nick Heidfeld as the test driver. 36. Prior, the AL-31FN Series 3 had accumulated 750 hours of test operation on the J-10 aircraft in a test programme . 37. It had completed 35 flying hours by 25 June when the test programme was stopped by the German occupation of Southern France in November 1942. 38. The Trent XWB's flight test programme began use on the A380 development aircraft in early 2011, ahead of engine certification in late 2011. 39. High-definition television ( HDTV ) is broadcast only through IPTV, although HDTV DVB-T test programming was broadcast from 2007 to 2011. 40. The test programme report concluded that it was not combat-capable and reliable and that flights with a bomb load could be dangerous to the crew.
