OverviewThe EXTRA 330SX is a single-seat aerobatic monoplane designed for competition and freestyle flying. It evolves from the nine-time world-championship-winning 330SC and is certified for high-load aerobatic maneuvers.
Airframe- Carbon fiber wing assembly with integral fuel tank
- Carbon composite empennage structure
- Fuselage assembly in 1.7734 steel
- Steerable lightweight tailwheel
- Fiberglass landing gear spring
- Single-seat bubble canopy
- Carbon pushrods on elevator control
- Titanium firewall
- High-performance ailerons
- Lightweight wing fairings
Powerplant and Propeller- Lycoming AEIO-580-B1A, 315 hp, 6-cylinder engine
- Muehlbauer MTV 9-B-C/C198-25, 3-blade propeller (standard)
- Muehlbauer MTV 14-B-C/C190-130, 4-blade propeller (optional)
- Two fuel pumps (engine-driven + electric)
- Gomolzig 6-in-1 exhaust system
- Dual oil cooler system
- Electric starter
Cockpit- Manually adjustable rudder pedals with differential toe brakes
- Contour-molded composite adjustable seat
- Hooker safety harness with ratchet
- Two bezel-operated air vents
- Electrical elevator trim system
- Ergonomically optimized seat position
- Roomy pilot space for single-seat configuration
- *Additional options available
Systems- Smoke system with automatic filling
- Pilot static system drain
- Trickle charger socket
- 8 Amp alternator
- 12V battery
- Avionic backup battery (optional)
Standard panel equipment- Garmin G3X Touch with engine information system (EIS); airspeed indicator (ASI), altimeter (ALT), compass; digital clock (optional)
- Trig transponder & COM
- TN70/ADS-B (optional)
Technical dataWingspan: 25.6 ft / 7.8 m
Length: 21.8 ft / 6.6 m
Height: 8.4 ft / 2.6 m
Wing area: 107.9 ft2 / 10 m2
EASA certified load factor: ±10 g
Never exceed speed (Vne): 220 kcas
Maneuvering speed (Va) (acro): 158 kcas
Stall speed at 1,808 lbs / 820 kg (Vs): 58 kcas
Stall speed at 1,720 lbs / 780 kg (Vs): 56 kcas
Stall speed at 1,918 lbs / 870 kg (Vs): 61 kcas
Technical specifications- Configuration: single-seat aerobatic monoplane
- Fuselage: 1.7734 steel assembly
- Wing: carbon fiber wing assembly with integral tank
- Empennage: carbon composite structure
- Landing gear: fiberglass landing gear spring
- Tailwheel: steerable, lightweight
- Flight controls: carbon pushrods on elevator, high-performance ailerons
- Firewall: titanium
- Engine: Lycoming AEIO-580-B1A, 315 hp, 6-cylinder
- Propeller: Muehlbauer MTV 9-B-C (3-blade) standard; MTV 14-B-C (4-blade) optional
- Fuel system: integral wing tank, two fuel pumps (engine-driven + electric)
- Fuel capacity: total 49.8 gal / 188.5 l; usable 49.2 gal / 186.5 l; acro usable tanks 17.6 gal / 66.5 l
- Empty weight (typical equipped): 1,291 lbs / 585 kg
- MTOW normal category (+6/-3 g): 1,918 lbs / 870 kg
- MTOW acro category (+10/-10 g): 1,720 lbs / 780 kg
- Performance highlights: Vne 220 kcas; Va (acro) 158 kcas; stall speeds vary with weight (56–61 kcas)