Beech Model 17 Staggerwing - version overview
17R - initial variant, biplane fast five-seat transport aircraft, Wright R-975-E2 engine; two machines built
A17F - machine with Wright R-1820-F11 engine
A17FS - racing machine with Wright SR-1820-F3 engine
B17B - machine with Jacobs L-5 engine and retractable chassis
B17E - Wright R-760-E1 engine, four machines built
B17L - Jacobs L-4 engine, first production variant with 48 built
SB17L - as before, equipped with floats
B17R - Wright R-975-E2/E3 engine, instrument flight equipment, 16 machines
C17B - Jacobs L-5 engine, flaps on lower wing, 40 machines
SC17B - as before, equipped with floats
C17E - Wright R-760-E1 engine, three machines and 20 built under license by Tachikawa
C17L - Jacobs L-4 engine, six machines
C17R - Wright R-975-E2/E3 engine, 16 machines
SC17R - one machine equipped with ski chassis
D17A - Wright R-760-E2 engine, longer fuselage, modified tail and wings, 10 machines
D17R - Wright R-975-E3 engine, 27 units
D17S - Pratt & Whitney R-985-SB engine, 53 units
SD17S - another floatplane
D17W - two sport machines with Pratt & Whitney R-985-SC-G engine, at least one converted to D17R with Wright R-975 engine
E17B - Jacobs L5MB engine, modified tail, ailerons on upper wing, 50 machines
SE17B - float variant of the previous one, four machines
E17L - Jacobs L-4 engine, one unit
F17D - Jacobs L-6 engine, extended fuselage, 61 units
SF17D- floatplane
G17S - post-war variant, Pratt & Whitney R-985-AN4 engine, 20 pieces
JB-1 - C17R purchased by the US Navy and used as a staff transport
GB-1 - 10 D17S with R-985-48 engine as a multirole for the US Navy, plus 8 more seized D17s of various variants including one D17W
GB-2 - approximately 342 machines (including 63 UC-63) with the R-985-AN1 engine used by the US Navy
YC-43 - three D17S with R-985-17 engines tested by USAAC, one requisitioned by the UK
UC-43 - 270 machines ordered by USAAC, R-985-AN1 engines, 63 delivered to USN as GB-2
UC-43AUC-43A - 13 seized D17Rs
UC-43B - 13 seized D17S
UC-43C - 38 seized F17D
UC-43D - 23 seized E17B
UC-43E - 5 seized C17R
UC-43F - seized D17A
UC-43G - 10 seized C17B
UC-43H - 3 seized B17R
UC-43J - 3 seized C17L
UC-43K - seized D17W
Traveller Mk.I - 106 UC-43/GB-2 delivered to UK