SIAI-Marchetti SM.1019

The SIAI-Marchetti SM.1019 was an Italian STOL liaison monoplane built by SIAI-Marchetti for the Italian Army and based on the Cessna O-1 Bird Dog.

SIAI-Marchetti SM.1019
Class Aircraft
Type Utility
Manufacturer SIAI-Marchetti
Origin Italy
Country Name Origin Year
Italy 1969
Country Name Operational Year Retirement Year
Italy 1976 View
ManufacturerName Production From Production To Quantity
SIAI-Marchetti View

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 317hp (236kW) Allison 250-B15C turboprop engine. It was evaluated against the Aermacchi AM.3 and was successful and won a production order for 80 aircraft.


  • 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, designated SM.1019E.I by the Italian Army,:Four-built. 

Role STOL liaison monoplane
Manufacturer SIAI-Marchetti
First flight 24 May 1969
Introduction 1976
Primary user Italian Army
Developed from Cessna O-1 Bird Dog

General characteristics

  • Crew: 2
  • Length: 8.52 m (27 ft 11½ in)
  • Wingspan: 10.97 m (36 ft 0 in)
  • Height: 2.86 m (9 ft 4½ in)
  • Wing area: 16.16 m2 (174 ft2)
  • Empty weight: 690 kg (1,521 lb)
  • Gross weight: 1,450 kg (3,196 lb)
  • Powerplant: 1 × Allison 250-B17B turboprop engine, 298 kW (400 hp)


  • Maximum speed: 285 km/h (177 mph)
  • Cruising speed: 281 km/h (175 mph)
  • Range: 1,340 km (832 miles)
  • Endurance: 8 hours  45 min
  • Service ceiling: 7,620 m (25,000 ft)


  • 320kg (705lb) of underwing stores

End notes