Saab 105

Saab 105
Name	Saab 105
Caption	Saab 105 in Swedish Air Force markings
Type	Trainer / Light attack
Manufacturer	Saab AB
First flight	1963
Introduced	1967
Status	In service
Primary user	Swedish Air Force
Produced	1960s–1970s
Number built	~150

Saab 105 The Saab 105 is a Swedish twinjet high-wing trainer and light attack aircraft developed and produced by Saab AB for the Swedish Air Force and export customers. Designed during the early 1960s amid NATO and Warsaw Pact tensions, the type served alongside contemporary platforms such as the Lockheed T-33 Shooting Star, Fouga Magister, and BAC Jet Provost as a versatile trainer, reconnaissance, and liaison aircraft. Its operational life reflects Sweden's Cold War defense posture and aviation industry relationships with firms including Volvo Flygmotor and various European aerospace suppliers.

Development and Design

Development of the Saab 105 began under Swedish defense planning influenced by events like the Cuban Missile Crisis and regional security concerns involving the Soviet Union, prompting procurement initiatives comparable to efforts by Royal Air Force and Luftwaffe. Saab AB worked with engine manufacturers such as Rolls-Royce and General Electric derivatives installed by Volvo Flygmotor to meet performance targets set by the Swedish Air Staff. The design emphasized a high-mounted straight wing, side-by-side seating, and twin small turbojets to maximize safety and redundancy, echoing layout choices seen on the Aero L-39 Albatros and Dassault/Dornier Alpha Jet. Avionics suites were integrated with suppliers linked to Honeywell and European electronics firms to provide navigation and training systems compatible with Swedish doctrine and NATO signal practices.

Structurally, the airframe used aluminum alloys and manufacturing methods developed at Saab's facilities in Linköping and Örebro; production involved subcontractors in Finland, West Germany, and Switzerland. Flight testing programs took place over Swedish ranges near Kristianstad and Uppsala, with certification processes engaging the Swedish Defence Materiel Administration and comparisons against standardization efforts within NATO and Scandinavian defense cooperation.

Operational History

The Swedish Air Force operated the type in roles spanning elementary and advanced jet training, aerial reconnaissance, target towing, and light attack, deploying squadrons from bases such as F 7 Såtenäs, F 10 Ängelholm, and F 21 Luleå. The 105 served during Cold War intercept readiness flights alongside fighters like the Saab 35 Draken and Saab 37 Viggen, participating in large-scale exercises with units from NATO partners and neutral states, including joint sorties mirroring scenarios seen in exercises such as Exercise Reforger and Nordic maneuvers involving Royal Norwegian Air Force and Finnish Air Force elements. Export operations included leasing and sales to operators who adapted the type for reconnaissance and passenger transport; maintenance and upgrade programs were coordinated through Saab and defense agencies such as the Swedish Armed Forces procurement branches.

Upgrades in avionics and engines extended service life into the 21st century, enabling interoperability with airborne surveillance assets like the Saab 340 AEW&C and ground-based air defense systems comparable to RBS 70 deployments. The 105's versatility made it useful in pilot conversion pipelines for later aircraft including the McDonnell Douglas F-4 Phantom II operated historically by Sweden and contemporary NATO platforms.

Variants

Several variants were produced to meet different mission profiles and export demands, paralleling variant approaches used on types such as the Northrop T-38 Talon and Cessna A-37 Dragonfly. Notable versions included dedicated trainer models, reconnaissance-equipped airframes fitted with cameras and sensor packages akin to systems in the RF-4 Phantom II program, and liaison transports modified for VIP duties similar to conversions used on the Fokker F28. Other specialized adaptations mirrored trends seen on trainers like the Aero L-29 Delfín, providing weapons pylons and light attack capabilities compatible with ordnance carried by helicopters like the Bell 206 in parallel ground support roles.

Specifications

Typical specifications reflected a compact twin-jet trainer design comparable with contemporaries such as the BAC Strikemaster: - Crew: two (instructor and student) - Powerplant: twin small turbojet engines (derived from Rolls-Royce/Volvo families) - Maximum speed, range, service ceiling, and weight parameters were optimized for training sorties, instrument flight instruction, and short-field operations used by squadrons at F 15 Söderhamn and similar bases. - Armament capacity: light stores on underwing hardpoints enabling rockets, practice bombs, or gun pods analogous to loadouts on the A-4 Skyhawk in light-attack roles.

Operators

Primary operator remains the Swedish Air Force, with units across multiple wings and training schools. Export and secondary operators included civil and military organizations in European countries that procured small numbers for reconnaissance and training, maintaining logistics through Saab and regional aerospace contractors in Denmark, Norway, and select neutral states. International cooperation on maintenance paralleled arrangements seen between Saab AB and foreign ministries such as the Ministry of Defence (Sweden).

Incidents and Accidents

Over its service life the type experienced a number of accidents investigated by Swedish aviation authorities and military boards, following procedures comparable to inquiries by bodies like the Transportstyrelsen and international counterparts such as the AAIB. Incidents prompted airworthiness directives, maintenance program revisions, and procedural changes in training syllabi akin to reforms adopted after accidents involving types like the Dassault Mirage III and Hawker Hunter. Safety improvements included structural inspections, avionics upgrades, and crew resource management measures reflecting lessons learned across NATO and Scandinavian air forces.

Category:Saab aircraft