This is a small twin-engined business jet manufactured by Learjet from its predecessor, the Learjet 31. It was introduced to the market on October of 1991 and continued in production until October 1st of 2003.
It has a range of 1,290 nm and has a cruise speed of 458 kts. Has a length of 48 ft, 9 in and a height of 12 ft, 4 in, this makes it optimal for a crew of 2 and 7 passengers. This model has three variants: Learjet 31 (Original version with the Longhorn wing of the 55, 28 and 29 models), the Learjet 31A (with a Electronic Flight Information System 50 and a dual KFC 3100 two-axis autopilot) and the Learjet 31A/ER (with range of 3539 km (2199 miles or 1911 nm).)
It is used for private transportation by: Canada (Vinci Aviation), United Arab Emirates (The Eghtesad Family), Estonia (Panaviatic), Iran (EN Securities) and United States (Elite Air, NASA and Pulver Aviation). For military transportation by: Pakistan (Government of Pakistan) and Indonesia (Ministry of Transportation).