Sikorsky S-39

Amphibious Utility Aircraft

Sikorsky S-39C, N50V, c/n 912, The Spirit of Igor © David Lednicer
Photo ©: David Lednicer (Photos at
The Sikorsky S-39 is a single-engine five-seat amphibious utility aircraft produced by the US-American manufacturer Sikorsky Aviation Corporation, today Sikorsky Aircraft Corporation.
Propulsion1 Radial Engine
Engine ModelPratt & Whitney R-985 Wasp Junior A
Engine Power224 kW300 hp
max. Cruise Speed161 km/h87 kts
  100 mph
max. Speed (vne)193 km/h104 kts
  120 mph
Service Ceiling5.486 m18.000 ft
Range741 km400 NM
460 mi.
Empty Weight1.215 kg2.678 lbs
max. Takeoff Weight1.814 kg4.000 lbs
Wing Span15,85 m52 ft 0 in
Wing Area32,5 m350 ft
Length9,73 m31 ft 11 in
Height3,66 m12 ft 0 in
First Flight24.12.1929
Production Statusout of production
Production Range1930-1932
Total Production21
Developed fromSikorsky S-38
ICAO CodeS39
Data for (Version)Sikorsky S-39B