The Dassault Falcon 900EX is a business jet aircraft manufactured by Dassault Aviation. It is part of the Falcon family of business jets and is one of the most popular private jets in the world. The Falcon 900EX was first introduced in 1994 and has since been upgraded several times, with the latest model being the Falcon 900LX.

The Dassault Falcon 900EX was designed to provide customers with a reliable, efficient, and comfortable business jet with a relatively long range. It is powered by three Honeywell TFE731-60 engines and has a range of up to 4,000 nautical miles. The aircraft also features a spacious and luxurious cabin, with amenities such as an entertainment system and a galley. The cabin can comfortably seat up to twelve passengers.

The Falcon 900EX was designed to meet the needs of customers who wanted a larger and more luxurious business jet than the smaller Falcon 50. Dassault wanted to provide customers with an aircraft that could fly long-range missions and could also provide a comfortable cabin for passengers. They also wanted to provide customers with a business jet that was reliable and efficient.

The Dassault Falcon 900EX has been one of the most popular business jets in the world since its introduction. It is favored by corporations, governments, and celebrities alike. The aircraft is used for a variety of missions, such as corporate travel, private charters, and executive transport. The Falcon 900EX is also used by a number of military forces around the world.

Despite its popularity, the Dassault Falcon 900EX has had a few issues with safety over the years. In 2008, a Falcon 900EX crashed in France due to a loss of control during takeoff. An investigation determined that a fault in the aircraft's rudder system was to blame. In 2012, a Falcon 900EX crashed in the United States due to a faulty engine. The aircraft was later found to have been improperly maintained and not inspected properly.

Overall, the Dassault Falcon 900EX has been a reliable and efficient business jet since its introduction. It is one of the most popular private jets in the world, and is used by a variety of customers for a variety of missions. Despite a few issues with safety over the years, the aircraft has an excellent safety record and is one of the most reliable business jets available.