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The Besson H-3 was a French civil touring triplane flying boat designed by the Marcel Besson company of Boulogne.cite-ref-orbis-1-0[1] One aircraft was built and the type did not enter production.cite-ref-orbis-1-1[1]

• Design and development

• Specifications (H-3)

• See also

• References

• Notes

• Bibliography

The H-3 was designed as a civil touring flying boat and had single-bay equal-span wings and room for two in a side-by-side configuration cockpit, it was fitted with dual-controls.cite-ref-orbis-1-2[1] Initially powered by a 45 kW (60 hp) le Rhône 9Z rotary, the H-3 was found to be under-powered and re-engined with a 97 kW (130 hp) Clerget 9B rotary, (from Société Clerget-Blin et Cie), driving a tractor propeller.cite-ref-orbis-1-3[1] The aircraft did not enter production and the sole H-3 was re-designated MB-12 in 1922 when it was modified with an enlarged central wing.cite-ref-orbis-1-4[1]

Data from cite-ref-orbis-1-5[1]

• Crew: 2

• Wingspan: 8.25 m (27 ft 1 in)

• Mid wingspan: 11 m (36 ft 1 in) after modification to MB-12

• Height: 3.10 m (10 ft 2 in)

• Wing area: 30.99 m2 (333.6 sq ft) the MB-12 had a wing area of 32.20 m2 (346.6 sq ft)

• Empty weight: 590 kg (1,301 lb)

• Max takeoff weight: 875 kg (1,929 lb)

• Powerplant: 1 × Clerget 9B rotary piston engine, 97 kW (130 hp)

• Propellers: 2-bladed fixed pitch wooden tractor propeller

• Maximum speed: 155 km/h (96 mph, 84 kn)

• Range: 450 km (280 mi, 240 nmi)

• Service ceiling: 3,200 m (10,500 ft)

• List of flying boats and floatplanes

cite-note-orbis-11. ↑ Orbis 1985, p. 655

• The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.