From Jane's Fighting Warcraft of World War II:
Fairchild Model 24
C-61 : Warner R-500-1 Super Scarab, 145 hp
UC-61A : Warner R-500-7 Super Scarab, 165 hp
UC-61B : Model 24J (Warner Super Scarab Engine)
UC-61C : Model 24R (Ranger 6-410-B1)
UC-61D : Model 51A (P&W R-985)
UC-61E : Model 24K (Ranger 6-410-B1)
UC-61F : Model 24R (Ranger 6-410-B1)
UC-61G : Model 24W (Warner Super Scarab)
UC-61H : Model 24G (Warner Super Scarab)
UC-61J : Model 24C (Ranger 6-390-D3)
UC-61K : Ranger L-440-7 , 200 hp
UC-86 Ranger 24R-40
Specifications for UC-61K:
Dimensions:
Span 36 ft. 4 in.
Length 23 ft. 10 3/4in.
Height 7 ft. 7 1/2 in.
Wing Area 193.3 sq ft.
Weights:
Empty 1,813 lbs.
Loaded 2,882 lbs.
Performance
Max Speed 124 mph
Cruise Speed 112 mph
Landing Speed 57 mph
Service Ceiling 12,700 ft
Normal Range 465 miles
Engine: 200hp Ranger L-440-7 six cyl inline inverted air cooled
Fuel 60 gallons
Acommodation: four, dual controls 09/25/2002 @ 22:06 [ref: 5759]