SIAI-Marchetti SM.1019
| SM.1019 | |
|---|---|
| |
| Role | STOL liaison monoplane |
| National origin | United States / Italy |
| Manufacturer | SIAI-Marchetti |
| First flight | 24 May 1969 |
| Introduction | 1976 |
| Primary users | Italian Army Somali Air Force |
| Number built | 86 |
| Developed from | Cessna O-1 Bird Dog |
TheSIAI-Marchetti SM.1019is an Italian STOL liaison monoplane built bySIAI-Marchettifor theItalian Army.It is a turboprop-powered derivative of theCessna O-1 Bird Dog.
Development
[edit]
To meet an Italian Army requirement for a short take-off liaison aircraft, SIAI-Marchetti modified the design of the Cessna 305A/O-1 Bird Dog with a new turboprop engine and a revised tail unit. The prototype first flew on 24 May 1969 powered by a 317 hp (236 kW)Allison 250-B15C turboprop engine. It was evaluated against theAermacchi AM.3and was successful and won a production order for 80 aircraft.
Variants
[edit]- SM.1019
- Prototype with 317hp (236kW)Allison 250-B15C turboprop engine, one built
- SM.1019A
- Production with 317hp (236kW) Allison 250-B15G 400hp turboprop engine derated to 317hp, 81 built
- SM.1019B
- Production variant with 400hp (298kW) Allison 250-B17B turboprop engine, designatedSM.1019E.Iby the Italian Army, four built
Operators
[edit]
- Somali Air Force– 6 in 1981, all retired.
Accidents and incidents
[edit]On 24 July 2021, formerUS NavyF-14pilotDale "Snort" Snodgrassfatally crashed in an SM.1019B with the registration N28U atLewiston–Nez Perce County AirportinLewiston, Idaho.[1][2]The probable cause of the accident was, according to the NTSB report, failure to remove the flight control lock, which immobilized flight control surfaces.[3]
Specifications (SM.1019A)
[edit]Data fromJane's All The World's Aircraft 1976–77[4]
General characteristics
- Crew:2
- Length:8.52 m (27 ft 11 in)
- Wingspan:10.972 m (36 ft 0 in)
- Height:2.86 m (9 ft 5 in)
- Wing area:16.16 m2(173.9 sq ft)
- Aspect ratio:7.44:1
- Airfoil:NACA 2412
- Empty weight:690 kg (1,521 lb)
- Gross weight:1,300 kg (2,866 lb)
- Max takeoff weight:1,450 kg (3,197 lb)
- Fuel capacity:320 L (85 US gal; 70 imp gal) in four wing tanks; Oil capacity 8 L (2.1 US gal; 1.8 imp gal)
- Powerplant:1 ×Allison Model 250-B17Bturbopropengine, 298 kW (400 hp)
- Propellers:3-bladedHartzellHC-B3TF-7/T10173-11R constant-speed reversible pitch metal propeller
Performance
- Cruise speed:296 km/h (184 mph, 160 kn) max at sea level
- 300 km/h (190 mph; 160 kn) max cruise speed at 2,500 m (8,200 ft)
- 281 km/h (175 mph; 152 kn) 75% power cruise speed at 2,500 m (8,200 ft)
- Stall speed:98 km/h (61 mph, 53 kn) flaps up
- 70 km/h (43 mph; 38 kn) flaps extended
- Never exceed speed:313 km/h (194 mph, 169 kn)
- Range:925 km (575 mi, 499 nmi) at sea level
- 1,090 km (680 mi; 590 nmi)
- Endurance:5 hours 45 minutes at sea level; 6 hours 40 minutes at 3,000 m (9,800 ft)
- Service ceiling:7,620 m (25,000 ft)
- Rate of climb:9.1833 m/s (1,807.74 ft/min)
- Wing loading:80.4 kg/m2(16.5 lb/sq ft) at 1,300 kg (2,900 lb) AUW; 89.7 kg/m2(18.4 lb/sq ft) maximum
- Power/mass:4.36 kg/kW (7.17 lb/hp) at 1,300 kg (2,900 lb) AUW; 4.87 kg/kW (8.01 lb/hp)
- Take-off run:112 m (367 ft)
- Landing run:91.5 m (300 ft)
- Take-off run to 15 m (49 ft):220 m (720 ft)
- Landing run from 15 m (49 ft):220 m (720 ft)
See also
[edit]
Related development
Aircraft of comparable role, configuration, and era
References
[edit]- ^Leone, Dario (2021-07-25)."Dale" Snort "Snodgrass, legendary US Navy F-14 Tomcat pilot, killed in the crash of a SIAI-Marchetti SM.1019".The Aviation Geek Club.Retrieved2021-07-26.
- ^"Legendary F-14 Pilot Dale 'Snort' Snodgrass Dies In A Tragic Plane Crash".The Aviationist.2021-07-25.Retrieved2021-07-26.
- ^"Snodgrass SIAI-Marchetti SM-1019B NTSB Final Report"(PDF).AvWeb.2022-07-06.Retrieved2023-08-17.
- ^Taylor 1976, pp. 117–118.
- The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985).Orbis Publishing. p. 2856.
- Taylor, John W.R. (1976).Jane's All the World's Aircraft 1976–77.London: Jane's Yearbooks.ISBN0-354-00538-3.
- Taylor, Michael J. H. (1989).Jane's Encyclopedia of Aviation.London: Studio Editions.
External links
[edit]
Media related toSIAI-Marchetti SM.1019at Wikimedia Commons