Speed
330 KTAS
Useful load
1,150 lb
Range
1,633 nm
Seats
2 side by side
Power
550 hp diesel V8
MTOW
3,500 lb
Overview
The SM-26 Sleek is a high performance sportplane that delivers fighter handling, agility and style to general aviation. A 66 percent scale replica of its CAS cousin, the SM-27 Machete. 330 KTAS. 1,150 lb useful load. 1,500 nm range.
The SM-26 Sleek is a High Performance Sportplane that delivers fighter handling, agility and style to general aviation. Produced in both turbopiston, turboprop, electric and VTOL variants, the SM-26 will be one of the world's fastest FAR 23 certified piston aircraft.
Available as a civil sportplane, a MOSAIC Light Sport Aircraft, a military trainer, a light attack COIN solution and an unpiloted combat aircraft, the SM-26 is a 66 percent scale replica of its CAS cousin, the SM-27 Machete.
Powered by a Higgs Diesel Engines E550 J/G-T Eagle V8 turbocharged diesel of 550 horsepower driving a five blade constant speed Scimitar propeller, the SM-26 offers a maximum level speed of 330 KTAS, a useful load of 1,150 lbs and a range of 1,633 nm. Two seats side by side, crashworthy sport seats, and a Power-By-Wire flight control system transfer military thinking into a FAR 23 sportplane.
Typical unit flyaway cost is $850,000. Cost per flight hour is $331.
Gallery
Authentic Stavatti imagery.
Variants
One airframe. Multiple missions.
SM-26
Sleek
Turbo piston / turboprop high performance sportplane. $850,000 flyaway.
SM-26LS
Light Sport
MOSAIC light sport aircraft derivative.
SM-26U
Unpiloted
Unpiloted combat aircraft sharing the Sleek airframe.
Data
Specifications and performance.
SM-26 Sleek
Aircraft
- Aircraft
- SM-26 Sleek High Performance Sportplane
- Manufacturer
- Stavatti Aerospace Ltd
- Unit flyaway cost
- $850,000
- First flight
- Contact Stavatti
- Availability
- Pre-Order Today to Secure Delivery Slot
- Crew
- Two, side by side crashworthy sport seats
Dimensions
- Wingspan
- 36 ft 0 in
- Length
- 25 ft 8 in
- Height
- 8 ft 6 in
- Wing area
- 156.6 sq ft
- Wing aspect ratio
- 8.4
- Wing LE sweep
- 4.25°
- Cabin length / width / height
- 67.0 in / 60.0 in / 41.7 in
Powerplant
- Number
- 1
- Type
- 550 cu in turbocharged V8
- Model
- E550 J/G-T Eagle V8
- Manufacturer
- Higgs Diesel Engines
- Max power
- 550 hp
- Propeller
- CS Scimitar, 96 in, 5 blade, 1,992 RPM
Weights
- Empty
- 2,350 lbs
- Max internal fuel
- 900 lbs
- Max payload
- 1,150 lbs
- Useful load
- 1,150 lbs
- Typical landing weight
- 2,850 lbs
- Max takeoff weight
- 3,500 lbs
Loadings
- Wing loading (MTOW)
- 22.3 lbs/sq ft
- Power loading (MTOW)
- 6.4 lbs/hp
- Design load factor (MTOW)
- +4.4
- Ultimate load factor (MTOW)
- +6.6
Performance
- Max level speed at SL
- 264 KTAS
- Max level speed at FL200
- 330 KTAS
- Max cruise at FL200
- 300 KTAS
- Typical cruise at FL100
- 191 KTAS
- Takeoff / stall speed (MTOW)
- 86 / 78 KTAS
- Max climb at SL
- 2,380 ft/min
- Service ceiling
- 30,000 ft
- Max speed range at SL / FL300
- 661 / 993 nm
- Eco cruise range at SL / FL100
- 748 / 1,633 nm
- Takeoff ground roll / over 50 ft
- 1,168 / 1,868 ft
- Landing ground roll / over 50 ft
- 569 / 1,023 ft
Avionics & Displays
- HUD
- Canopy Embedded Display (CED)
- HDD
- SD346 LED primary display
- COMM/GPS
- Dual WAAS GPS/COMM/NAV
- IFF
- ADS-B Out and In transponder
- Autopilot
- All-axis digital autopilot
- Flight controls
- Digital Power-By-Wire
- Audio panel
- Digital Bluetooth audio panel
- ELT/ULB
- 406 MHz ELT and ULB
Literature
Linecards and datasheets.
- SM-26 Sleek E660 Linecard Dec 2025
- SM-26LS Sleek E330 Linecard Dec 2025
- SM-26U Sleek Drone Linecard Apr 2026