Levasseur PL.4

PL.4
Deck landing of a Levasseur PL-4
Role Carrier-based reconnaissance aircraft
National origin France
Manufacturer Levasseur
First flight 1926
Primary user Aéronavale
Number built 40
Developed into Levasseur PL.8

The Levasseur PL.4, aka Levasseur Marin,[1] was a carrier-based reconnaissance aircraft produced in France in the 1920s. It was a conventional, single-bay biplane that carried a crew of three in tandem, open cockpits. Purchased by the Aéronavale to operate from the aircraft carrier Béarn, it incorporated several safety features in case of ditching at sea. Apart from small floats attached directly to the undersides of the lower wing, the main units of the fixed, tailskid undercarriage could be jettisoned in flight, and the underside of the fuselage was given a boat-like shape and made watertight.

Levasseur PL.4 photo from L'Aéronautique December,1926

Variants

PL.4 A3 R3b
to meet the 1924 A.3/R.3b (three seat observation and gunnery spotter aircraft) specification from the Service technique de l'aéronautique (STAé); 1 built.[2]
PL.4
3-seat shipboard reconnaissance aircraft for the Aéronautique Navale; 40 built.[3]

Operators

 France

Specifications (PL.4)

Data from Jane's all the World's Aircraft 1928[1], Aviafrance:Levasseur PL.4[3]

General characteristics

  • Crew: 3
  • Length: 9.7 m (31 ft 10 in)
  • Wingspan: 14.6 m (47 ft 11 in)
  • Width: 5.67 m (18 ft 7 in) wings folded
  • Height: 3.915 m (12 ft 10 in)
  • Wing area: 60 m2 (650 sq ft)
  • Empty weight: 1,650 kg (3,638 lb)
  • Gross weight: 2,550 kg (5,622 lb)
  • Powerplant: 1 × Lorraine-Dietrich 12Eb W-12 water-cooled piston engine, 340 kW (450 hp)
  • Propellers: 2-bladed fixed pitchpropeller

Performance

  • Maximum speed: 175 km/h (109 mph; 94 kn) at sea level; 170 km/h (110 mph; 92 kn) at 3,000 m (9,800 ft)
  • Range: 900 km (559 mi; 486 nmi)
  • Endurance: 5 hours
  • Service ceiling: 5,000 m (16,000 ft)
  • Time to altitude: 3,000 m (9,800 ft) in 20 minutes
  • Wing loading: 43 kg/m2 (8.8 lb/sq ft)
  • Power/mass: 0.1337 kW/kg (0.0813 hp/lb)

Armament

  • Guns: defensive gun armament on a Scarff ring in the centre cockpit

See also

Related lists

References

  1. 1 2 Grey, C.G., ed. (1928). Jane's all the World's Aircraft 1928. London: Sampson Low, Marston & company, ltd. pp. 18d–19d.
  2. ↑ Parmentier, Bruno (6 December 2001). "Levasseur PL.4 A3 R3b". Aviafrance (in French). Paris. Retrieved 18 February 2018.
  3. 1 2 Parmentier, Bruno (6 December 2001). "Levasseur PL 4". Aviafrance (in French). Paris. Retrieved 18 February 2018.

Further reading

  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 574.
  • "The Paris Aero Show 1926". Flight: 781. 2 December 1926. Retrieved 2008-09-21.
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