Military variants known as Defenders (AH-6E, MH-6F) carry TOW missiles, FLIR, mast-mounted sight, etc. The Model 530 Defender (has refined aerodynamics and more power the OH-6), and AH-6 (Model 530 version for US Special Forces).
February 19, 1999 : Boeing sold MD commercial line to RDM The dutch company bought the ex Mc Donnell Douglas models MD 500E and MD 530F single-engine helicopters with conventional tail rotors, the MD 520N and MD 600N single-engine NOTAR helicopters and the MD Explorer series of twin-engine, eight-place helicopters.
MD530F Engine: 1 x Allison 250-C30, 650 shp Instant pwr: 313 kW Rotor dia: 8.35 m MTOW: 1405 kg Useful load: 685 kg Max cruise: 135 kts Max range: 381 km HIGE: 14,300 ft HOGE: 12,000 ft Crew: 1 Pax: 3 Seats: 5
530MG Defender Engine: 1 x Allison 250-C30 Installed pwr: 317 kW Rotor dia: 8.4 m Fuselage length: 9.8 m No. Blades: 5 Empty wt: 664 kg MTOW: 1610 kg Payload: 901 kg Max speed: 240 kph ROC: 505 m/min Ceiling: 4200 m HIGE: 2315 m HOGE: 1770 m Fuel cap (+aux): 240 lt ( 80 lt ) Range: 443 km Crew: 1 Pax: 5