McDonnell-Douglas MD500 Defender

The McDonnell-Douglas Helicopter Systems MD500 Defender is a light multi-role military helicopter based on the MD500 light utility helicopter and OH-6 Cayuse light observation helicopter.

Users

 * Afghanistan
 * Afghan Air Force
 * Argentina
 * Argentine Air Force
 * Argentine Coast Guard
 * Chile
 * Chilean Army
 * Republic of China
 * Republic of China Navy
 * Colombia
 * Colombian Air Force
 * Croatia
 * Croatian Air Force
 * El Salvador
 * Salvadoran Army
 * Finland
 * Finnish Army
 * Israel
 * Israeli Air Force
 * Italy
 * Italian Army
 * Japan
 * Japan Ground Self-Defense Force - see Kawasaki OH-1
 * Kenya
 * Kenyan Army
 * Republic of Korea
 * Republic of Korea Air Force
 * Republic of Korea Army
 * Lebanon
 * Lebanese Army
 * Lebanese Air Force
 * Malaysia
 * Royal Malaysian Army
 * Mexico
 * Mexican Air Force
 * Mexican Navy
 * Panama
 * Panamanian Aeronaval Service
 * Philippines
 * Philippine Air Force
 * Spain
 * Spanish Navy
 * United States
 * United States Army

Related Development

 * Boeing AH-6
 * Hughes OH-6 Cayuse
 * Kawasaki OH-1
 * McDonnell-Douglas A/MH-6 Little Bird

Comparable Aircraft

 * Aérospatiale Gazelle
 * MBB Bo105