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AltoVolo SigmaConcept
Targeting type certification (SC-VTOL)Tilt-rotorHybrid

AltoVolo

Sigma

2-seat hybrid HyperTOL, 4.5 m span

UK hybrid 'HyperTOL'. Targets: 2 seats, 220 mph top speed, 510 miles hybrid. £1,000 holds a launch-edition slot. Not a pure eVTOL: an onboard APU extends range. Quarter-scale prototype flown; full-scale demonstrator in build — not type-certified.

Range
510 mi hybrid / 260 mi electric (AltoVolo target)

(varies with speed, reserves, and how the pilot flies the mission).

Payload
270 kg
Cruise
165 mph (AltoVolo estimate)

(chosen by the pilot, and traded against range and endurance).

Top speed
220 mph
Flight time
45 min hover

(varies with the speed the pilot selects and the reserves kept for the mission).

Price
From £863,200 (excl. shipping & taxes)
Empty weight
Not published
MTOW
980 kg
Ceiling
10,000 ft
Seats
2
Battery / fuel
Hybrid-electric: batteries (400 Wh/kg) plus an onboard APU range extender (fuel type not published); not all-electric
Size
4.05 m long × 4.9 m wide × 1.58 m high (2.2 m packed width)
Charge
22 min (300 kW)
First flight
Not yet flown at full scale (quarter-scale prototype flown; full-scale demonstrator due end of 2026)
Entry into service
Not in service

Full figures

Cruise
165 mph (AltoVolo estimate); 220 mph top speed
Hybrid range
510 miles (821 km) target
Electric range
260 miles (418 km) target
Empty / MTOW
Not published / 980 kg
Payload
270 kg
Charge
22 min on 300 kW
Width
4.9 m
Size
4,050 mm long; 2,200 mm packed width; 1,580 mm high
Wing span
4.5 m, tilting motors and wings
Hover time
45 min
Noise
65–70 dB(A) at 100 m on take-off (AltoVolo estimate)
Powertrain
APU range extender; thrust from the electric motors only
Pilot
Sport Pilot licence (25 hrs training) minimum for Launch Edition
Launch Edition
100 units; £1,000 reservation

For

  • 510-mile hybrid range
  • Two seats plus luggage

Against

  • Full-scale aircraft not yet flown — figures are targets
  • Not type-certified yet