Yokosuka P1Y - Specifications (P1Y1a)

Specifications (P1Y1a)

Data from Japanese Aircraft of the Pacific War

General characteristics

  • Crew: 3
  • Length: 15.00 m (49 ft 2⅜ in)
  • Wingspan: 20.00 m (65 ft 7¼ in)
  • Height: 4.30 m (14 ft 1¼ in)
  • Wing area: 55 m² (592 ft²)
  • Empty weight: 7,265 kg (16,020 lb)
  • Loaded weight: 10,500 kg (23,149 lb)
  • Max. takeoff weight: 13,500 kg (29,762 lb)
  • Powerplant: 2 × Nakajima NK9C Homare 12 18-cylinder radial engines, 1,361 kW (1,825 hp) (take-off) each

Performance

  • Maximum speed: 547 km/h (295 knot, 340 mph) at 5,900 m (19,400 ft)
  • Cruise speed: 370 km/h (200 knots, 230 mph) at 4,000 m (13,125 ft)
  • Range: 5,370 km (2,900 nmi, 3,337 mi)
  • Service ceiling: 9,400 m (30,840 ft)
  • Wing loading: 191 kg/m² (39.1 lb/ft²)
  • Power/mass: 0.20 kW/kg (0.16 hp/lb)

Armament

  • Guns:
    • 1× flexible, nose-mounted 20 mm Type 99 cannon
    • 1× flexible rear-firing 13 mm Type 2 machine gun
  • Bombs: up to 1,000 kg (2,205 lb) of bombs or 1× 800 kg (1,800 lb) torpedo

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