BEECHCRAFT C-45 EXPEDITOR

C-45 SERVICE

Manufacturer: Beech Aircraft Corp., Wichita, Kansas, USA
Model: Model 18
Designations: C-45; AT-7, AT-11, CQ-3, F-2, JRB, SNB, T-7, T-11, CT-128 (CAF)
Names: Expeditor; Kansan (AT-11), Navigator (AT-7)
First official flight: (Model 18) 15/01/1937
(C-45) 1940
Factory production period: 1936 - 1969
Primary service period: 1937 - 1960's
Last official flight: (C-45J) 1976

C-45 VARIANTS

1937 Model 18A / S18A Model 18A / S18A 4  
1938 Model 18B / S18B Model 18B / S18B 4  
1938 Model 18D / S18D Model 18D / S18D 12  
1940 Model 18R Model 18R 1  
1940 Model M18R Model M18R 6  
1939 Model 18S Model 18S 7  
1939 Model B18S Model B18S 5 Total: 0039
         
1940 Model C18S C-45 11  
1940 Model C18S C-45A 20  
1942 Model C18S C-45B 223  
1942 Model C18S UC-45D 2  
1943 Model C18S UC-45E 6  
1943 Model C18S UC-45F 1522 Total: 1784
         
1941 Model C18S AT-7 577  
1941 Model C18S AT-7A 7  
1942 Model C18S AT-7B 9  
1943 Model C18S AT-7C 549  
1941 Model C18S AT-11 1584 Total: 2726
         
1939 Model B18S F-2 14 Total: 0014
         
1940 Model C18S JRB-1 11  
1941 Model C18S JRB-2 15  
1942 Model B18S SNB-1 320  
1942 Model C18S SNB-2 499  
1943 Model C18S SNB-2C 375 Total: 1220
         
1946 Model D18S Model D18S 1035  
1946 Model D18C-T Model D18C-T 16  
1947 Model D18C Model D18C 13  
1954 Model E18S Model E18S 403  
1954 Model E18S-9700 Model E18S-9700 57  
1959 Model G18S Model G18S 156  
1962 Model H18 Model H18 149 Total: 1829

Grand Total: 7612

C-45 PRODUCTION

Civil Aircraft (pre WW2)

Model 18
Twin-engined commuter aircraft. Various
engine / interior upgrades. Model 18R
versions were for military customers.
1 Model 18D to RCAF with s/n: 1530.
Produced 1936 - 1940

Beech Wichita, Kansas

Model 18A / S18A mixed 62 to 318 4  
Model 18B / S18B mixed 170 to 174 4  
Model 18D / S18D mixed 169 to 268 12  
Model 18R 321 1  
Model M18R 375 / 380 6  
Model 18S mixed 222 to 316 7  
Model B18S 430 / 434 5 Total: 0039

Military Aircraft

C-45
As Model 18, staff transport for USAAF.
Redesignated as UC-45 in 1943.
Produced 1940

Beech Wichita, Kansas (BH)

40-180 / 40-190 364 / 374 11 Total: 0011

C-45A
As C-45, engine upgrade, extra seats.
Redesignated as UC-45A in 1943.
Produced

Beech Wichita, Kansas (BH)

41-1861 / 41-1880 ? 20 Total: 0020

C-45B
As C-45A, revised interior.
Redesignated as UC-45B in 1943.
Produced

Beech Wichita, Kansas (BH)

42-56852 ?    
43-35446 / 43-35667 ? 223 Total: 0223

UC-45D
As C-45A, communications aircraft,
airframes completed from an AT-7 contract.
Produced

Beech Wichita, Kansas (BH)

42-56785, 43-33281 ? 2 Total: 0002

UC-45E
As C-45A, communications aircraft,
airframes completed from an AT-7B contract.
Produced

Beech Wichita, Kansas (BH)

42-43484, 42-43486 ?    
43-33282 / 43-33285 ? 6 Total: 0006

UC-45F
As C-45A, longer nose, revised interior.
Original designation was C-45F.
Produced

Beech Wichita, Kansas (BH)

43-35668 / 43-35945 ?    
44-47049 / 44-47748 ?    
44-86898 / 44-87441 ? 1522 Total: 1522

AT-7 Navigator
As C-45, navigation trainer, engine upgrade.
Redesignated as T-7 in 1948.
Produced

Beech Wichita, Kansas (BH)

41-1143 / 41-1209 ?    
41-21042 / 41-21155 ?    
42-2415 / 42-2513 ?    
42-43461 / 42-43477 ?    
42-43488 / 42-43510 ?    
42-56703 / 42-56784 ?    
42-56786 / 42-56851 ?    
43-33265 / 43-33280 ?    
43-33286 / 43-33378 ? 577 Total: 0577

AT-7A Navigator
As AT-7, floatplane version, ventral
fin added, engine upgrade.
Produced

Beech Wichita, Kansas (BH)

41-21156 / 41-21161 ?    
42-53522 ? 7 Total: 0007

AT-7B Navigator
As AT-7, winterised version.
Produced

Beech Wichita, Kansas (BH)

42-2414 ?    
42-43478 / 42-43483 ?    
42-43485, 42-43487 ? 9 Total: 0009

AT-7C Navigator
As AT-7, engine upgrade.
Redesignated as T-7C in 1948.
Produced

Beech Wichita, Kansas (BH)

43-33379 / 43-33664 ?    
43-49963 / 43-50223 ?    
43-52226, 43-52227 ? 549 Total: 0549

AT-11 Kansan
As AT-7, bomber / gunnery trainer version,
glass nose for bombaimer, dorsal turret.
Redesignated as T-11 in 1948.
Produced 1941 - 1944

Beech Wichita, Kansas (BH)

41-9437 / 41-9586 ?    
41-27332 / 41-27681 ?    
42-36826 / 42-37713 ?    
43-10318 / 43-10489 ?    
(NEIAF) A-1 / A-24
- 22 later assigned non-standard
s/n: 42-3057 / 42-3066,
42-3069 / 42-3080.
Repossessed by USAAF in 1944
with s/n: 44-72005 / 44-72026.
3057 / 3080 1584 Total: 1584


Turkey operated a number of ex-AT-11's in the post World War II years.
Pictured here is AT-11-BH (s/n: 42-37565, c/n: 4561), which had
Turkish s/n: 6930 with code: 9-930.
Turkish Air Force Museum, Istanbul, Turkey, 2005.

F-2
As C-45A, photo survey version,
two cameras, engine upgrade.
Original s/n: 39-142 / 39-155.
Produced 1939 - 1940

Beech Wichita, Kansas (BH)

40-682 / 40-695 340 / 353 14 Total: 0014

JRB-1
As C-45A, photo survey version for US Navy
and USMC, extra fairing above cockpit, engine
upgrade. 1 civil Model 18S also impressed 
with BuNo. 09771.
Produced 1940

Beech Wichita, Kansas (B)

BuNo.2543 / 2547 425 / 429    
BuNo.4709, 4710 ?    
BuNo.4726 / 4729 ? 11 Total: 0011

JRB-2
As JRB-1, light transport version.
5 also converted from C-45A with
BuNo. 76740 / 76742, 90522, 90523.
Produced

Beech Wichita, Kansas (B)

BuNo.4711 / 4725 ? 15 Total: 0015

SNB-1 Kansan
As AT-11, version for US Navy
and USMC, engine upgrade.
Produced 1942 - 1943
Beech Wichita, Kansas (B)

BuNo.39749 / 39998 ?    
BuNo.51025 / 51094 ? 320 Total: 0320

SNB-2 Navigator
As AT-7, version for US Navy.
Produced 1942 - 1944

Beech Wichita, Kansas (B)

BuNo.03553 / 03562 ?    
BuNo.12354 / 12389 ?    
BuNo.39192 / 39291 ?    
BuNo.51200 / 51293 ?    
BuNo.67100 / 67129 ?    
BuNo.67155 / 67383 ? 499 Total: 0499
205 additional airframes cancelled.

SNB-2C Navigator
As AT-7C, version for US Navy.
Produced

Beech Wichita, Kansas (B)

BuNo.23757 / 23856 ?    
BuNo.29551 / 29664 ?    
BuNo.51095 / 51199 ?    
BuNo.51294 / 51349 ? 375 Total: 0375
4 additional airframes cancelled.

Civil Aircraft (post WW2)

Model 18
Developed civil version for commercial market.
Various design / engine upgrades.
The D18C named Feeder Twin.
The E18S onwards named Super 18.
The H18 had tricycle u/c.
Produced 1946 - 1969

Beech Wichita, Kansas

Model D18S A-1 / A-1035 1035  
Model D18C-T AA-1 / AA-16 16  
Model D18C AA-17 / AA-29 13  
Model E18S mixed BA-1 to BA-497 403  
Model E18S-9700 mixed BA-403 to BA-460 57  
Model G18S mixed BA-434 to BA-617 156  
Model H18 mixed BA-580 to BA-765 149 Total: 1829

 

Grand Total: 7612

C-45 CONVERSIONS

Military Conversions

USAAF / USAF

UC-45C 2 Model 18S, 1942, two impressed civil aircraft.
Assigned s/n: 42-22247, 42-53510.
RC-45F 1+ UC-45F, photo survey conversions.
C-45G 372 RC-45A / UC-45F / T-7 / T-11, 1951, rebuilt airframes with
fuselage / engine / avionics upgrades.
New s/n:                    New c/n:
51-11444 / 51-11503   AF-1 / AF-60
51-11600 / 51-11911   AF-157 / AF-468
TC-45G 96 RC-45A / UC-45F / T-7 / T-11, 1952, rebuilt airframes with
fuselage / engine / avionics upgrades. 
New s/n:                   New c/n:
51-11504 / 51-11599   AF-61 / AF-156
C-45H 432 UC-45F / T-7 / T-11, 1952, rebuilt airframes with fuselage /
engine / avionics upgrades. 
New s/n:                   New c/n:
52-10539 / 52-10970   AF-469 / AF-900
(RC-45H) 1+ C-45H, photo survey conversions.
(TC-45H) 1+ C-45H, navigation trainer conversions.
(C-45T) 1+ C-45G / C-45H, unofficial designation for tricycle landing gear conversions.
CQ-3 1+ UC-45F, 1944, target drone directors.
(DC-45F) 1+ 1948, redesignation of CQ-3.
AT-11A 36 AT-11, navigational trainer conversions, engine upgrade.
(T-11A) 36 1948, redesignation of AT-11A.
F-2A 13 UC-45A / UC-45B, photo survey conversions, 4 cameras.
F-2B 42 UC-45F, photo survey conversions, camera upgrade.
(RC-45A) 55 1948, redesignation of 13 F-2A / 42 F-2B.
T-11B 1+ AT-11, 1951, rebuilt conversions similar to C-45G.

US Navy

JRB-3 20 UC-45B, 1942, transfers from USAAF.
Assigned BuNo. 76743 / 76759, 84032, 86294, 87752.
JRB-4 329 UC-45F, 1942, transfers from USAAF. Some later to USCG.
Assigned BuNo. 44315, 44555 / 44684, 48246 / 48251,
66395 / 66471, 76760 / 76779, 85096 / 85135, 86293, 86295,
86296, 87753, 90532 / 90581, 134004.
143 additional conversions cancelled.
JRB-5 - Proposed SNB-5 transport version rebuilds, cancelled.
JRB-6 29 JRB-3 / JRB-4, 1951, rebuilt airframes with fuselage / engine /
avionics upgrades. Assigned BuNo. 89466 / 89494.
SNB-2H 1+ SNB-2, 1943, medical conversions.
SNB-2P 1+ SNB-2, 1943, photo reconn. conversions.
(SNB-5P) 1+ SNB-2P, 1951, rebuilt conversions similar to SNB-5.
(RC-45J) 1+ 1962, redesignation of SNB-5P.
SNB-3Q 1+ SNB-2, 1946, conversions as radar counter-measure trainers.
SNB-4 117 SNB-1, 1947, factory rebuilds, post-WW2.
SNB-5 32 SNB-2, 1951, rebuilt airframes with fuselage / engine / avionics upgrades.
Assigned BuNo. 134692 / 134717, 140987 / 140992.
First 26 sold under MAP to The Netherlands and France.
1 additional airframe sold under MAP as BuNo. 147548.
(TC-45J) 32 1962, redesignation of SNB-5.
(NC-45J) 2 TC-45J, permanent conversions as test-beds for US Army.
(UC-45J) 30 TC-45J, redesignation as utility transports.
(C-45J) 2 UC-45J, transfers to the US Army.
(VC-45J) 1 UC-45J, staff transport conversion.

British RAF / RCAF

Expeditor Mk. I 121 C-45B, aircraft in service with the RAF and RN.
Assigned RAF s/n: FR940 / FR948, FT975 / FT979,
HB100 / HB206.
15 to RCAF as Expeditor Mk. III without s/n change.
1 (HB759), additional conversion cancelled.
Expeditor Mk. II 303 UC-45F, aircraft in service with the RAF and RN.
Assigned RAF s/n: FT980 / FT996, HB207 / HB299,
HD752 / HD776, KJ468 / KJ560, KN100 / KN149, 
KP100 / KP124.
9 to RCAF as Expeditor Mk. III without s/n change.
50 additional conversions cancelled.
Expeditor Mk. 3T 45 6 UC-45B / 39 UC-45F, 1944, trainers in service with the RCAF.
Assigned RCAF s/n: 1381 / 1425.
Expeditor Mk. 3N 100 Civil Model D18S, 1951, factory-built RCAF navigational trainers.
Re-assigned new c/n from original civil ones.
RCAF s/n:     New c/n:
1426 / 1500   CA-1 / CA-75
- S/n: 1500 not delivered.
2278 / 2302   CA-76 / CA-100
Expeditor Mk. 3NM 133 Civil Model D18S, 1952, factory-built RCAF navigational trainers
and transports. Re-assigned new c/n from original civil ones.
RCAF s/n:     New c/n:
1502 / 1515   CA-102 / CA-115
1536 / 1555   CA-136 / CA-155
1576 / 1594   CA-262 / CA-280
2303 / 2321   CA-176 / CA-194
2322 / 2382   CA-201 / CA-280
Expeditor Mk. 3TM 48 Civil Model D18S, 1952, factory-built RCAF crew trainers and
transports. Re-assigned new c/n from original civil ones.
RCAF s/n:     New c/n:
1501             CA-101
1516 / 1535   CA-116 / CA-135
1556 / 1575   CA-156 / CA-175
1595 / 1600   CA-195 / CA-200
Not delivered. CA-281
Navigator Mk. I 5 AT-7, aircraft in service with the RN.
Assigned RAF s/n: FR879 / FR883.
CT-128 159 RCAF Expeditor, 1968-1972, redesignation for newly formed
Canadian Armed Forces. Most in storage, allocated new
CAF 6-digit s/n's but not taken up.

Civil Conversions

Model C18S

1

UC-45B, 1944, prototype for post-WW2 civil development.
First proposed in 1940 from the Model B18S.

Airlines Training Inc. conversions:
Conrad 9800D
- 6+, higher weights.
Conrad 10200
- 7+, higher weights, tricycyle u/c.

American Turbine Aircraft Corp. conversion:
American Turbine 600R - turboprop, tricycyle u/c.

Dumod Corp., Florida conversions:
Infinite / Dumod I - 37, 1960, tricycle u/c.
Infinite II / Dumod Liner - 10+, 1964, stretched version.

Hamilton Aviation Co. Inc., Arizona conversions:
Hamilton Little Liner - 400+, 1959.
Hamilton Westwind - 22+, turboprop.
Hamilton Westwind III - 42, 1970, turboprop.
Hamilton Westwind IISTD - 1, 1975, turboprop.
Hamilton Westwind IV - 1+, 1977, turboprop.

Pacific Airmotive Corp., California conversions:
PAC Tradewind - 22+, 1962, single tail, tricycle u/c.
PAC Turbo Tradewind - 11+, 1964, turboprop.

Rausch Engineering Inc., California conversion:
Rausch Star 250 - 1, 1960, tricycle u/c.

Volpar Inc., California conversions:
Volpar 18 - 1+, 1960, tricycle u/c.
Volpar Turbo 18 - 25, 1965, turboprop.
Volpar Turboliner I - 23, 1967, turboprop.

- Additional conversions by Avco, Howard Aero Inc., TX.,
  Remmert-Werner and SFERMA (France).

FOREIGN MILITARY / CIVILIAN SERVICE
 - The Beechcraft 18 had widespread military service with the armed forces
   of many countries worldwide both during and post World War II.
 - A high number of Beechcraft 18 aircraft saw civil service as small commuter
   airliners, executive transports, civil utility transports and Warbirds.

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