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The NC.420 was a twin-engine aircraft, an uncommon arrangement for ship-borne reconnaissance aircraft where a premium was placed on compactness. It could nevertheless be reduced to a width of 4.75 m (15.6 ft) with the wings folded, which made it comparable in size (and weight) to the Loire
127:(the NC.420), Bréguet (the Bréguet 792) and Gourdou (the G-130 HY). All three types were twin-engined, with Gourdou proposing a floatplane and both SNCAC and Bréguet proposing flying boats. While Bréguet's design was a twin-engined derivative of its
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gave permission for the construction of up to fifteen NC.420s to replace Loire 130s that were damaged or destroyed through normal operation, to be built in 1943–1944. Work was slowed, however, by the use of SNCAC's
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130 it was slated to have replaced. The aircraft had an all-metal hull, while the pilot sat in an enclosed cockpit to the left of the aircraft's centreline to aid handling when on the water. It was powered by two
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was a French observation flying boat built by SNCAC in the 1940s. It was intended to operate from the ships of the French Navy, but although a single prototype was completed, it never flew.
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in
Southern France for testing in November 1942, but its engines did not arrive until April 1943. The prototype was completed in mid-June 1943, but the escape of the prototype
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single-engined coastal patrol aircraft, SNCAC's design was all-new. Orders were placed with SNCAC and Bréguet for two prototypes each of their designs in
January 1939.
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D 6-cylinder air-cooled inline engines rated at 325 horsepower (242 kW) normal and 390 hp (290 kW) for take-off, driving three-bladed
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was to have carried three of the new aircraft. The program requested an aircraft that had an endurance of six hours and be suitable for
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to
Algeria on 16 August 1943 resulted in Italian occupation forces disabling the NC.420's controls so it could not be flown to join
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120:. The endurance requirement was later reduced to five hours to save weight, and the smoke screen requirement removed.
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6-cylinder inverted air-cooled in-line piston engines, 290 kW (390 hp) each (takeoff power)
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caused many French military programs to be suspended, including that for the NC.420. In June 1942 the
183:. The NC.420 survived the war, but was scrapped sometime before the liquidation of SNCAC in 1949.
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Bousquet, Gérard (April 1996). "L'hydravion NC 420: Il a peu flotté, mais beaucoup roulé...".
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Work on the prototype was nearing completion in June 1940, but the German victory in the
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1,350 km (840 mi, 730 nmi) at 240 km/h (150 mph; 130 kn)
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as well as the French Navy's battleships and cruisers. Had it entered service, the
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300 km/h (190 mph, 160 kn) at 1,800 m (5,900 ft)
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Société Nationale de
Constructions AĂ©ronautiques du Centre (SNCAC)
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War Planes of the Second World War: Volume Five: Flying Boats
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The aircraft was developed under a program initiated by the
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2Ă— machine guns (1Ă— forward-firing and 1Ă— in dorsal mount)
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in March 1937 for a "heavy seaplane" to replace the aging
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3,786 kg (8,347 lb) (with fuel for 5 hr flight)
112:. The aircraft could be single- or twin-engined and be a
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340 L (75 imp gal; 90 US gal)
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floatplane, which operated from the seaplane carrier
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123:Designs to meet the requirement were received from
516:. London: Macdonald & Co. (Publishers) Ltd.
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225:4.75 m (15 ft 7 in) (folded)
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504:(in French). No. 317. pp. 12–19.
531:Jordan, John & Dumas, Robert (2009).
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271:3-bladed Ratier variable-pitch propeller
560:(in French). Aviafrance.com. 2001-04-28
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219:15.90 m (52 ft 2 in)
213:11.20 m (36 ft 9 in)
231:3.81 m (12 ft 6 in)
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535:. Barnsley: Seaforth Publishing.
485:. Sandomierz, Poland: Stratus.
237:34 m (370 sq ft)
1:
298:7,120 m (23,360 ft)
243:2,895 kg (6,382 lb)
167:. The prototype was moved to
860:Aircraft first flown in 1942
533:French Battleships 1922–1956
483:French Flying Boats of WW II
320:2Ă— 75 kg (165 lb)
159:factory to build wings for
152:German Armistice Commission
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481:Bousquet, GĂ©rard (2013).
141:variable-pitch propellers
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198:General characteristics
187:Specifications (NC.420)
30:Observation flying boat
77:Development and design
840:1940s French aircraft
502:Le Fana de l'Aviation
16:1940s French aircraft
558:"S.N.C.A.C. NC.420"
855:High-wing aircraft
401:Jordan & Dumas
369:Jordan & Dumas
177:Free French Forces
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605:(Centre) aircraft
542:978-1-84832-034-5
492:978-83-63678-06-7
456:, pp. 18–19.
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163:required by the
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92:Commandant Teste
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809:Chardonneret
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181:North Africa
173:SNCASO SO.90
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106:dive bombing
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71:SNCAC NC-420
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59:Number built
277:Performance
269:Propellers:
263:BĂ©arn 6D.07
259:Powerplant:
129:Bréguet 790
114:flying boat
83:French Navy
834:Categories
564:2019-03-08
475:References
354:Green 1962
235:Wing area:
118:floatplane
108:or laying
804:Belphégor
611:by number
325:Footnotes
217:Wingspan:
192:Data from
165:Luftwaffe
87:Loire 130
819:Martinet
814:Cormoran
512:(1962).
304:Armament
101:Gascogne
799:Abeille
792:by name
783:NC.3021
768:NC.2001
763:NC 1080
758:NC.1071
753:NC.1070
663:NC.47-2
658:NC.47-1
653:NC.47-0
638:NC.4-10
229:Height:
211:Length:
169:Antibes
137:BĂ©arn 6
43:France
22:NC.420
778:NC.271
773:NC 211
748:NC.900
743:NC.860
738:NC.856
733:NC.855
728:NC.854
723:NC.853
718:NC.851
713:NC.850
708:NC.841
703:NC.840
698:NC.832
693:NC.702
688:NC.701
683:NC.700
678:NC.600
673:NC.530
668:NC.510
648:NC.433
643:NC.420
633:NC.223
628:NC.211
623:NC.150
618:NC.130
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318:Bombs:
290:Range:
223:Width:
312:Guns:
205:Crew:
125:SNCAC
52:SNCAC
27:Role
537:ISBN
518:ISBN
487:ISBN
261:2 Ă—
69:The
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