This is the RNZAF parachute display team, Kiwi Blue, part of the RNZAF PTSU (Parachute Training and Support Unit). The unit provides static line and free-fall parachute training to units of the New Zealand Defence Force, and personnel trained in the operational preparation and despatch of airborne forces by parachute.
The RNZAF has 8 of these NH90 Helicopters, which have been used since 2015. The NH90 is a twin-engine, medium utility helicopter with the main role of providing tactical air mobility operations for the New Zealand Defence Force.
The Seasprite helicopter has a crew of 3, including a pilot, an observer who specialises in
warfare and mission command, and a helicopter loadmaster who directs operations. New Zealand has used this version since 2015 when they replaced an older model. Their role is to enhance the capabilities of the naval fleet in a range of roles. They can be equipped with Penguin anti-ship missiles, Mk 46 torpedoes and the Mag 58 general purpose machine gun.
The NH90 has a maximum cruise speed of 285 kph, and a range of 680 km or about 4 hours on internal fuel. The engines are Rolls-Royce Turbomecca RTM 322 turbine engines with 2227 shaft horsepower each. The standard crew is two pilots and two loadmasters, and it can seat up to 18 passengers. Armament is two pintle mounted 7.62mm MAG 58 Machine Guns.
Sources: New Zealand Defence Force, Warbirds Program, Wikipedia.