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    • Year
      1906
      2018
    • Length
      25 m
      38 m
    • Height
      7 m
      11 m
    • Width
      1 m
      8 m
    • Diameter
      3 m
      9 m
    • Wing area
      264 m2
      396 m2
    • Wingspan (Beam)
      39 m
      60 m
    • Wing loading
      3 kg/m2
      829 kg/m2
    • Swept
      4 m
      10 m
    • Sweep
      25 deg
      68 deg
    • Aspect ratio
      1
      26
    • Disc area
      1 m2
      460 m2
    • Main rotor diameter
      1 m
      62 m
    • Rotor number
      1 qt
      8 qt
    • Blades per rotor
      4 qt
      5 qt
    • Disc loading
      17 kg/m2
      73 kg/m2
    • Tail rotor diameter
      0 m
      5 m
    • Empty weight
      15105 kg
      22659 kg
    • Max. takeoff weight (Gross weight)
      32000 kg
      48000 kg
    • Loaded weight
      5 kg
      242500 kg
    • Crew
      5 per.
      9 per.
    • Useful load
      26 kg
      90700 kg
    • Payload
      23 kg
      122470 kg
    • Capacity passengers
      1 per.
      400 per.
    • Hardpoints
      1 qt
      2576 qt
    • Ground Speed
      96 km/h
      1500 km/h
    • Max. Speed
      208 km/h
      314 km/h
    • Сruise Speed
      168 km/h
      252 km/h
    • Stall Speed
      40 km/h
      258 km/h
    • Landing Speed
      68 km/h
      270 km/h
    • Minimum control speed
      80 km/h
      113 km/h
    • Never exceed speed
      107 km/h
      1050 km/h
    • Fuel Capacity
      23 l
      320000 l
    • Fuel External
      142 l
      10025 l
    • Power/mass
      0 hp/kg
      23 hp/kg
    • Thrust/weight
      0 kN/kg
      3 kN/kg
    • Afterburning thrust
      29 kN/kg
      980 kN/kg
    • Total Power
      3120 hp
      4680 hp
    • Thrust
      1 kN
      1914 kN
    • Service ceiling
      5040 m
      7560 m
    • Static ceiling
      3 m
      5485 m
    • Range (Ferry range)
      3280 km
      4920 km
    • Range PTB (Ferry range)
      720 km
      10000 km
    • Сombat radius
      277 km
      7210 km
    • Endurance
      0 h
      150 h
    • Takeoff roll
      20 m
      3200 m
    • Landing roll
      20 m
      2570 m
    • Maximum glide ratio
      7
      43
    • Load factor from
      2 G
      9 G
    • Rate of climb
      177 m/min
      267 m/min
    • Rate of sink
      36 m/min
      56 m/min
    • Time to altitude
      7 min
      11 min
    • Propellers
      1 qt
      8 qt
    • Prop diameter
      1 m
      6 m
    • Prop blade number
      1 qt
      8 qt
    • Guns
      1 qt
      18 qt
    • Bombs
      1 qt
      250 qt
    • Missiles
      1 qt
      24 qt
    • Rockets
      1 qt
      76 qt
    • Torpedoes
      1 qt
      4 qt
    • Bombs weight
      2 kg
      39000 kg
    • Rockets weight
      1 kg
      48 kg
    • Number built
      0 qt
      2 qt
    • Price
      41 USD
      750000000 USD

Latécoère 521

TypeFlying boat
Company

Groupe Latécoère

Scheme

High wing

Monoplane

Geometry
Length (m)
1.9
 
31.6
88.7
Height (m)
0.6
 
9.1
50.1
Wings
Wing area (m2)
1.1
 
330
925
Wingspan (Beam) (m)
0.1
 
49.3
95
Weights
Empty weight (kg)
8
 
18,882
276,800
Max. takeoff weight (Gross weight) (kg)
154
 
40,000
575,000
Capacity
Crew (per.)
1
 
7
112
5 + cabin crew
Speeds
Max. Speed (km/h)
25
 
261
28,165
at 2000 m
Сruise Speed (km/h)
52
 
210
3,087
Minimum control speed (km/h)
24
 
100
113
Power
Total Power (hp)
0.4
 
5,160
60,000
6 powerplants 860 hp each (final engine fit)
0.4
 
4,560
60,000
6 powerplants 760 hp each (interim engine fit)
0.4
 
3,900
60,000
6 powerplants 650 hp each (original engine fit)
Performance
Service ceiling (m)
0.6
 
6,300
161,544
Range (Ferry range) (km)
4
 
3,900
40,700
4
 
4,100
40,700
Dynamic Performance
Rate of climb (m/min)
1.9
 
222
36,000
Time to altitude (min)
0.6
 
9
105
to 2000 m
Stat
Number built (qt)
0
 
1
43,000
Introduction 1935
First flight 10.01.1935

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