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- Alia CX300 vs Joby Aviation S4
Alia CX300 vs Joby Aviation S4
Overview Electric Flying Vehicle
|
Model
|
Alia CX300
Joby S4 |
|
Manufacturer
|
Beta Technologies
Joby Aviation |
|
Announced
|
March 2023
February 2018 |
|
launched
|
First production flight – November 2024
2023 |
|
Base Price
|
2300000 |
Electric Flying Vehicle Dimensions & Build
|
Aircraft Type
|
All-electric conventional take-off and landing (eCTOL) fixed-wing aircraft
Passenger eVTOL (tilt-prop, vectored thrust) |
|
Length
|
7.3 m (24 ft) |
|
Wingspan / Rotor Diameter
|
50 ft (≈ 15–16 m)
10.7 m (35 ft) |
|
Empty Weight
|
1,950 kg (4,300 lb) |
|
Maximum Takeoff Weight (MTOW)
|
< 7,000 lb (≈ 3,175 kg)
2,404 kg (5,300 lb) |
|
Passenger Capacity
|
Up to 5 passengers + 1 pilot (6 total)
4 passengers + 1 pilot |
|
Cargo Capacity
|
200 cubic ft (≈ 5.7 m³)
453 kg (1,000 lb) payload |
|
Landing Gear Type
|
Tricycle gear (standard runway operations)
Tricycle retractable gear |
Power & Propulsion
|
Battery Type
|
Lithium-ion battery pack
High-energy lithium-ion (liquid-cooled) |
|
Battery Brand
|
Undisclosed (Joby-developed pack) |
|
Charging Power
|
250–300 kW (fast charge est.)
|
|
Charging Time
|
30–40 minutes (fast)
|
|
Solar / Hybrid Assist
|
None (fully electric) |
|
Motor
|
Single rear pusher electric motor
6 independent electric motors (dual-redundant windings) |
|
Total Power Output
|
427 kW (~572 HP)
1.4 MW (≈236 kW per motor) |
|
Propulsion System
|
Single pusher propeller (direct drive)
Tilt-prop / vectored thrust |
|
transmission
|
Direct electric drive (no gearbox)
Direct drive (no gearbox) |
Electric Flying Vehicle Performance
|
Cruising speed
|
105 knots (≈ 120 mph / 193 km/h)
200 mph (322 km/h) |
|
Top Speed
|
135 knots (≈ 155 mph / 250 km/h)
200 mph (174 knots) |
|
Maximum Range
|
Up to 386 miles (≈ 621 km)
150 miles (241 km) |
|
Endurance (Flight Time)
|
1 hour + reserve
1 hour (est.) |
|
Climb Rate
|
1,500 ft/min
|
|
Service Ceiling (Max Altitude)
|
15,000 ft (4,570 m) |
|
Takeoff / Landing Type
|
Conventional runway (CTOL)
Vertical (VTOL) |
|
Noise Level (dB)
|
Extremely low (~ < 60 dB estimated)
45 dB in cruise (very quiet) |
|
Flight Modes
|
Standard manual and assisted cruise modes
Hover / Transition / Cruise |
Safety & Systems
|
Avionics
|
Garmin G3000 suite
Triple-redundant fly-by-wire system |
|
Flight Control
|
Fly-by-wire redundant controls
Simplified Vehicle Operations (SVO) |
|
Safety Features
|
Simplified electric propulsion (fewer moving parts), low noise operation, redundant systems
Redundant motors & inverters
Multi-battery redundancy
Fail-safe flight computers |
|
Emergency Landing System
|
Glide capability; no ballistic chute confirmed |
|
Certifications
|
FAA Special Airworthiness Certificate (2024); full type certification expected 2025-26
FAA Type Certification (in progress – Stage 3/5 as of 2024) |
Interior & Comfort
|
Seating Layout
|
2 front (crew) + up to 4 passengers
1 pilot + 4 passengers |
|
Cabin Type
|
Modular (cargo or passenger layout)
Enclosed, panoramic window design |
|
Infotainment & Displays
|
Dual Garmin G3000 cockpit displays
Integrated digital cockpit display |
|
Storage Compartments
|
Rear cargo bay (~ 200 cu ft)
Small luggage area for passengers |
|
Other Features
|
Low operating cost (~ $7 per 45-min flight), quiet electric operation
Quiet cabin, smooth flight transitions, eco-friendly design |
Capacities
|
Passenger Capacity
|
Up to 6 (5 + pilot)
4 + 1 pilot |
|
Payload Capacity
|
1,000 – 1,400 lb (≈ 450 – 635 kg)
453 kg (1,000 lb) |
|
Cargo Capacity
|
200 cu ft (≈ 5.7 m³)
|
Disclaimer Note
We can not guarantee that the information on this page is 100% correct
