The USAF has operated the C-5 since 1969. In that time, the airlifter supported US military operations in all major conflicts including Vietnam, Iraq, Yugoslavia, and Afghanistan, as well as allied support, such as Israel during the Yom Kippur War and operations in the Gulf War. The Galaxy has also been used to distribute humanitarian aid and disaster relief, and supported the US space program.

Fokker S-11 Instructor

Role Trainer
Manufacturer Fokker
First flight 18 December 1947
Primary users Royal Netherlands Air Force
Royal Netherlands Navy
Brazilian Air Force
Israeli Air Force
Number built S-11 375 / S-12 50 / YT-22 1


Fokker S.11 Instructor

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Fokker S.11 Instructor

The Fokker S-11 Instructor is a single engine two seater propeller aircraft designed and manufactured by the former Dutch aircraft manufacturer Fokker.

One of the first activities undertaken by Fokker after World War II was the design of a new military aircraft for initial pilot training, the S-11 Instructor. An aircraft trader already placed orders for 100 of these aircraft in 1946, before construction had even begun. The first prototype flew at Schiphol on 18 December 1947. During testing in early 1948 it was found that some aerodynamic changes had to be made to improve the handling of the aircraft


Later that year demonstration flights for several air forces followed and eventually many S-11s were sold to the Royal Netherlands Air Force, Israeli Air Force, Italian Air Force, Brazilian Air Force, Paraguayan Air Force and Bolivian Air Force. Some 170 aircraft were license built in Italy as the Macchi M.416. A limited number of S-11 Instructors are still flying today. The Dutch organization Fokker Four dedicated to the preservation of the aircraft operates four S-11s and amongst other activities still performs with them on airshows.

A version of the S-11 fitted with tricycle landing gear, the S-12, was built by Fokker Industria Aeronautica in Brazil, and was used by the Brazilian Air Force as the T-22 Instructor


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GFokker S-11 Instructor (1947)

S-11Prototypes – four built
S-11-1Production variant for the Royal Netherlands Air Force and Navy – 48 built.
S-11-2Production variant for the Israeli Air Force – 41 built.
S-11-3Production variant for the Italian Air Force – 180 built under license by Aermacchi (Qty 110) and IMAM (Qty 70) as the M.416S-11-4Production variant for the Brazilian Air Force – 99 built including 95 by Fokker Brazil.S-12Tricycle landing gear variant, one prototype built by Fokker and 49 production aircraft for the Brazilian Air Force built by Fokker Brazil.Macchi M.416Name used for licence built S-11-3 for the Italian Air Force.

Fokker S.11 Specifications

  • Crew: 2
  • Length: 8.18 m (26 ft 10 in)
  • Wingspan: 11.0 m (36 ft 1 in)
  • Height: 2.22 m (7 ft 3 in)
  • Wing area: 18.5 m2 (199 sq ft)
  • Empty weight: 810 kg (1,786 lb)
  • Gross weight: 1,100 kg (2,425 lb)
  • Fuel capacity: 150 L (40 US gal; 33 imp gal)
  • Powerplant: 1 × Lycoming O-435A air-cooled flat-six engine, 140 kW (190 hp)
    • Maximum speed: 209 km/h (130 mph, 113 kn)
    • Cruise speed: 164 km/h (102 mph, 89 kn)
    • Range: 630 km (390 mi, 340 nmi) [5]
    • Service ceiling: 3,850 m (12,630 ft)
    • Time to altitude:
      • 5.6 min to 1,000 m (3,300 ft)
      • 25.4 min to 3,000 m (9,800 ft)

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Aircraft on display Netherlands S-11 E-22 - on display at Nationaal Militair Museum E-24 - in storage at Nationaal Militair Museum

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