RNZAF Base Woodbourne is located 8km west of Blenheim at the top of the South Island.
Woodbourne is the Air Force's training support base. Units at Woodbourne are responsible for the training of recruits, initial officer training, trade training and command training.
The Ground Training Wing was created in 1995 from existing units at Woodbourne and those relocated from Wigram and Hobsonville. Also at Woodbourne is the Air Force's only heavy maintenance facility for the repair of aircraft airframes, engines and avionics systems. This unit was commercialised in 1998 and is now managed by Safe Air Ltd.
With a typical student population, Woodbourne has personnel strength of around 1,250 and is an important training area for the RNZAF.