Swedish; Austrian; Finnish; Royal Danish (~1993) Air Force
Manufacturer: Saab (Sweden)
J - Jaktflygplan (Pursuit-aircraft)
S - Suomi (Finland)
J35F1 - Swedish initial version without an infrared search and track sensor under the nose.
J35F2 - Swedish later version with a Hughes N71 Infrared search and track sensorunder the nose.
J35J - Swedish fighter version. Upgraded 67 J35F2 to J35J standard between 1987 and 1991 with longer lifespan, modernized electronics, a modernized cannon, two additional AIM-9 Sidewinder pylons under the air intakes and increased external fuel capacity. In service till 1999.