The number of employees had grown to 888 by . At this time, they had four Caravelles, two Cessna 402s, a DC-3 and a Nord 262, which were used on domestic services and international routes to Algeria, Belgium, France, Germany, the Netherlands, Italy, Libya, Morocco and Switzerland. Tunis Air took delivery of its first Boeing aircraft, a Boeing 727-200, on 12 March 1972; it was put on service on the Tunis–Paris run. On , a Boeing 707 that was leased from Sabena inaugurated the Tunis–London link. The same day, new services to Luxembourg and Jeddah were launched. Late in the year, a second Boeing 727s was ordered for delivery in . In 1973, a third Boeing 727 was ordered for handover in that year. A fourth and fifth 727 were ordered in 1974 and 1975. The gradual incorporation of the Boeing 727s permitted Tunisair to replace the Caravelles and to retire the remaining DC-3s.