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| Saab 17 | |
|---|---|
| Name | Saab 17 |
| Caption | Saab 17 reconnaissance and dive bomber |
| Type | Dive bomber / Reconnaissance aircraft |
| Manufacturer | Svenska Aeroplan Aktiebolaget (Saab) |
| First flight | 24 June 1940 |
| Introduced | 1942 |
| Retired | 1952 (Swedish Air Force) |
| Primary user | Flygvapnet |
| Produced | 72 |
Saab 17 The Saab 17 was a Swedish single-engine monoplane developed as a dive bomber and reconnaissance aircraft by Svenska Aeroplan Aktiebolaget (Saab) during the Second World War. Designed to meet requirements from the Flygvapnet, the Saab 17 combined features influenced by contemporary Heinkel He 111, Junkers Ju 87, Blohm & Voss BV 141 and indigenous Swedish design practice. It served with the Flygvapnet and was exported to states including Hungary and evaluated by organizations such as the Royal Air Force and United States Army Air Forces.
In 1938 the Flygvapnet issued a specification seeking a modern dive bomber and reconnaissance platform, prompting a design competition among Swedish firms including Saab and ASJA. Saab's submission, led by design figures who had previously worked on projects associated with Fokker and Heinkel, evolved under wartime constraints including shortages driven by the Second World War. The prototype first flew on 24 June 1940, joining a development path alongside contemporaries such as the Curtiss SB2C Helldiver and Douglas SBD Dauntless in addressing dive-bombing tactics used during the Battle of Britain and later campaigns. Saab adapted the design through trials with dive brakes, camera installations for reconnaissance roles, and modifications to meet Flygvapnet operational doctrine influenced by lessons from the Winter War and the Norwegian Campaign.
The Saab 17 featured a low-wing cantilever monoplane layout with a fixed undercarriage in early prototypes and a retractable undercarriage in production versions, sharing aerodynamic philosophies seen in designs from Henschel Flugzeugwerke and Dornier. Powerplants varied, most notably the license-built Bristol Mercury radial and later the Pratt & Whitney R-1830 Twin Wasp in export models, choices reflecting supply lines affected by neutral Sweden's trade relations with United Kingdom and United States. The airframe prioritized ruggedness and short-field performance to operate from dispersed bases modeled after concepts used by Luftwaffe dispersal doctrine and Finnish Air Force operations. Armament provisions allowed for forward-firing machine guns and a bomb load carried internally and underwing, conforming to dive-bombing profiles employed by units similar to those flying the Junkers Ju 88 and Bf 109 in ground-attack roles. Reconnaissance equipment included oblique and vertical cameras comparable to installations used by RAF Bomber Command reconnaissance variants and navigation aids derived from contemporaries at Scandinavian Airlines System testbeds.
The Saab 17 entered Flygvapnet service in 1942, assigned to reconnaissance wings and dive-bomber squadrons operating across Swedish air bases patterned after infrastructure used by RAF Coastal Command and influenced by Scandinavian defense planning during the Continuation War. Crews trained in dive-bombing and maritime patrol tasks analogous to missions undertaken by Soviet Naval Aviation and German Kriegsmarine air arms. The type saw limited export: Royal Hungarian Air Force received examples for coastal and reconnaissance duties, influenced by Hungary's procurement networks linked to the Tripartite Pact milieu. Evaluation flights by the USAAF and RAF informed postwar Swedish aviation policy and Saab's subsequent designs such as the Saab 18 and Saab 21, which incorporated combat experience and technological developments from engagements like the Battle of the Atlantic and early Cold War reconnaissance demands. The Saab 17 remained in Flygvapnet service into the early 1950s before being phased out as jet propulsion exemplified by the Gloster Meteor and Saab J 29 Tunnan redefined frontline roles.
Several major variants were produced, reflecting changes in powerplant, undercarriage and role: - B 17A: Early prototype and initial production dive-bomber with fixed undercarriage and Bristol Mercury powerplants, paralleling practices by firms such as Fokker and Westland Aircraft. - B 17B: Production model with hinged dive brakes, retractable undercarriage and strengthened fuselage; similar role adaptations were seen in Douglas SBD upgrades. - S 17: Dedicated reconnaissance conversions fitted with photographic equipment and long-range tanks, comparable to reconnaissance conversions of the Lockheed Hudson. - Export variants: Aircraft re-engined with Pratt & Whitney Twin Wasp radials for customers like Hungary, mirroring export practices of manufacturers such as North American Aviation.
- Flygvapnet (Swedish Air Force): primary operator, employing the type in reconnaissance and dive-bomber squadrons stationed at airfields influenced by Ängelholm and F 3 Malmslätt basing patterns. - Royal Hungarian Air Force: limited numbers for coastal reconnaissance duties during the wartime period. - Evaluations and trials: Royal Air Force and United States Army Air Forces conducted tests and assessments to inform allied procurement and intelligence on Scandinavian aviation capabilities. - Civil organizations: select examples undertook trials with entities related to Swedish National Aviation Administration for calibration and photographic survey work.
A small number of Saab 17 airframes survive in museums and collections. Restored airframes and static displays are exhibited in institutions such as the Swedish Air Force Museum and aviation collections at Arlanda and regional museums preserving artifacts from the Second World War and early Cold War Swedish aviation history. Several replicas and components appear in private collections associated with enthusiasts of types like the Junkers Ju 52 and de Havilland Dragon Rapide; periodic airshows and commemorative events showcase static examples alongside other Swedish designs like the Saab Safir and Saab T 18.
Category:Saab aircraft Category:Swedish military reconnaissance aircraft Category:Aircraft first flown in 1940