The all-composite aircraft is earmarked for certification and service entry later next year. The 50-year-old Learjet 23 is widely regarded as one of the most important business aircraft in history.

In the early 1960s, the Learjet 23 created a revolution in business aviation. As the world’s first light regional jet, the 23 had a svelte military fuselage, wing-tip fuel tanks and a top speed ...

This year's Sun 'n Fun in Lakeland, Fla., marked the introduction of a new aircraft to the air show circuit -- a 1965 Learjet 23. Piloted by air show veteran Bobby Younkin, the 38-year-old jet ...

The Learjet 23, first built in Wichita, Kansas in 1962, took its first flight Oct. 7, 1963. A foundation has acquired the first one ever sold.

Learjet has produced more than 3,000 aircraft since Lear started the company in the early 1960s. The first model – the six-passenger Learjet 23 – made its first flight on 7 October 1963.

In the early 1960s, the Learjet 23 created a revolution in business aviation. As the world’s first light regional jet, the 23 had a svelte military fuselage, wing-tip fuel tanks and a top speed ...