After selecting the landing gear lever to DOWN, the nose landing gear failed to extend. After several further attempts, an approach to Cambridge Airport was made with the nose landing gear retracted. The aircraft touched down and the nose was held up for as long as possible before it descended and contacted the runway surface.
Neither flight crew sustained any injuries. The reason for the failure of the gear to extend could not be established at the time of this report. Previous events have identified reasons why the nose gear may not extend and that this aircraft type requires accurate rigging and vigilant maintenance of the nose landing gear.