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From Wikipedia, the free encyclopedia

Macchi M.24.gif
Role Flying boat bomber
National origin Italy
Manufacturer Macchi
Designer Alessandro Tonini
First flight 1924

The Macchi M.24 was a flying boat designed by Alessandro Tonini and produced by Macchi in Italy during the 1920s. Originally intended as a bomber, it was eventually produced for civilian use as well.[1][2]

Design and development

The M.24 resembled a scaled-up version of earlier Macchi flying boat bombers such as the M.9 and M.18, sharing their biplane configuration and Warren truss-style interplane struts. However, while these earlier aircraft were single-engine types, the M.24 had twin engines mounted in a tractor-pusher pair on struts in the interplane gap.[1][2] Also like the M.18, it featured an open position in the bow for a gunner, but added a second such position amidships as well.[1][2]

Two M.24s made a demonstration flight in 1925 from Macchi's home on Lake Varese, crossing the Alps to Amsterdam, Copenhagen, Stockholm, Leningrad and home again.[1] This feat was followed by torpedo-launching experiments.[2] The M.24 saw extensive use with the Italian Navy, and several were purchased by the Spanish Navy.[2]

A civil version with equal-span wings was developed in 1927 as the M.24bis. This featured an enclosed cabin within the forward hull that could seat eight passengers. Aero Espresso Italiana flew these on its Brindisi-Athens-Constantinople route,[1] and SITAR operated them on routes in the Mediterranean as well.[2]


 Kingdom of Italy


  • M.24 - initial production version - biplane with Fiat A.12 engines and shorter lower wings
  • M.24bis - equal-span version with Lorraine-Dietrich or Isotta-Fraschini Asso engines, produced in both military and civil subtypes
  • M.24ter - military version with Isotta-Fraschini Asso engines

Specifications (M.24ter)

Macchi M.24 fuselage drawing from L'Air June 15,1927
Macchi M.24 fuselage drawing from L'Air June 15,1927

Data from World Aircraft Information Files File 901 Sheet 02

General characteristics

  • Crew: 3
  • Length: 14.63 m (48 ft 0 in)
  • Wingspan: 22.00 m (72 ft 2 in)
  • Height: 4.65 m (15 ft 3 in)
  • Empty weight: 3,730 kg (8,223 lb)
  • Gross weight: 5,500 kg (12,125 lb)
  • Powerplant: 2 × Isotta Fraschini Asso 500 , 380 kW (510 hp) each


  • Maximum speed: 185 km/h (115 mph, 100 kn)
  • Range: 700 km (435 mi, 378 nmi)
  • Service ceiling: 4,000 m (13,000 ft)


  • 1 × 7.7 mm (.303 in) Vickers machine gun in open position in bow
  • 1 × 7.7 mm (.303 in) Vickers machine gun in open position amidships
  • 800 kg (1,874 lb) of bombs

See also

Related lists


  1. ^ a b c d e Taylor 1989, 617
  2. ^ a b c d e f World Aircraft Information Files File 901 Sheet 02


  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions.
  • World Aircraft Information Files. London: Bright Star Publishing.
This page was last edited on 19 December 2020, at 00:59
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