CONSOLIDATED B-24 LIBERATOR

B-24 SERVICE

Manufacturer: The Consolidated Aircraft Corp., San Diego, California, USA
(In 1941, became The Consolidated-Vultee Aircraft Corp.)
(In 1943, name changed to Convair Aircraft Corp.)
Models: Model 32, 39, 40, 100, 101, 104
Designations: B-24; AT-22, B-41, BQ-8, C-87, C-109, F-7, PB4Y, P4Y
P-4B, RY, R2Y
Names: Liberator; Liberator Express (C-87, RY-1/2/3),
Liberator Liner (R2Y-1), Privateer (PB4Y-2)
First official flight: (XB-24) 29/12/1939
Factory production period: 1939 - 1945
Primary service period: 1940 - 1945
Last official flight: (QP-4B) 18/01/1964

B-24 VARIANTS

1939 Model 32 XB-24 1  
1941 Model 32 LB-30A Liberator Mk. I 6  
1941 Model 32 LB-30B Liberator Mk. I 20  
1941 Model 32 YB-24 1  
1941 Model 32 B-24A 9  
1941 Model 32 Liberator Mk. II 140  
1941 Model 32 B-24C 9 Total: 00186
         
1942 Model 32 B-24D 2728  
1942 Model 32 C-87 280  
1942 Model 32 C-87A 6  
1943 Model 32 AT-22 5  
1942 Model 32 B-24E 801  
1943 Model 32 B-24G 430 Total: 04250
         
1943 Model 32 B-24H 3100  
1943 Model 32 B-24J 6678  
1944 Model 32 B-24L 1667  
1944 Model 32 B-24M 2593 Total: 14038
         
1944 Model 32 XB-24N 1  
1945 Model 32 YB-24N 7 Total: 00008
         
1944 Model 40 PB4Y-2 740  
1944 Model 32 RY-3 34  
1944 Model 39 R2Y-1 2 Total: 00776

Grand Total: 19258

B-24 PRODUCTION

XB-24
Prototype 4-engined heavy bomber, short nose,
twin tail, unarmed.
Produced 1939

Consolidated San Diego, California (CO)

39-556 1 1 Total: 00001

LB-30A Liberator Mk. I
As XB-24, minor changes, diverted from YB-24
order (39-681 / 39-688) to RAF as unarmed ferry
transports.YB-24 s/n reassigned as 40-696 / 40-702,
then cancelled again.
Produced 1940

Consolidated San Diego, California (CO)

(RAF) AM258 / AM263 1 / 6

6

Total: 00006

LB-30B Liberator Mk. I
As LB-30A, diverted from USAAF (40-2349 / 40-2368)
B-24A order to RAF for ASW duties, cannon, antennas.
Produced 1941

Consolidated San Diego, California (CO)

(RAF) AM910 / AM929 1 / 20

20

Total: 00020

YB-24
As LB-30B, service test aircraft for USAAF,
redesignated as B-24 upon delivery.
Produced 1940

Consolidated San Diego, California (CO)

40-702 1 1 Total: 00001

B-24A
As YB-24, used as ferry transports by USAAF.
Produced 1941

Consolidated San Diego, California (CO)

40-2369 / 40-2377 1 / 9

9

Total: 00009

Liberator Mk. II
As B-24A, lengthened nose, RAF armament,
mid-upper / rear turrets.
Produced 1941 - 1942

Consolidated San Diego, California (CO)

(RAF) AL503 / AL641 1 / 139

 

 

- AL503 lost in accident before delivery,
  replaced by s/n: FP685.
- AL504 to Winston Churchill, named "Commando",
  upgraded in 1944 to RY-3 standards with single tail.
(RAF) FP685 140 140 Total: 00140

B-24C
Upgraded B-24A, based on the XB-24B, lengthened nose,
oval nacelles, engine upgrade, upper / rear turrets.
Produced 1941 - 1942

Consolidated San Diego, California (CO)

40-2378 / 40-2386 1 / 9

9

Total: 00009

B-24D
As B-24C, engine upgrade, ventral turret, astrodome,
many block no. changes.
First s/n range reassigned from YB-24 order.
Second s/n range reassigned from LB-30B order.
Produced 1942 - 1943

Consolidated San Diego, California (CO)

40-696 / 40-701 1 / 6    
40-2349 / 40-2368 7 / 26    
41-1087 / 41-1142 27 / 82    
41-11587 / 41-11938
- 305 as B-24D.
- 8 as B-24D-CF.
- 4 as B-24D-DT.
- 35 as C-87-CF.
83 / 434    
41-23640 / 41-24311
- 628 as B-24D.
- 6 as B-24D-DT.
- 35 as C-87-CF.
- 3 as C-87A-CF.
435 / 1106    
41-24339 1134    
42-40058 / 42-41257 1135 / 2334    
42-72765 / 42-72963 2335 / 2533

2415

 
12 to RAAF as A72-1 / A72-12.
27 additional airframes cancelled.

Consolidated Fort Worth, Texas (CF)

8 mixed with B-24D-CO s/n.
42-63752 / 42-64046 1 / 295

303

 

Douglas Tulsa, Oklahoma (DT)

10 mixed with B-24D-CO s/n. mixed 250 to 553
(DT c/n: 15514 / 15523)
10 Total: 02728

C-87 Liberator Express
As B-24D, cargo transport, side doors, windows, solid nose
and tail, unarmed. Prototype was B-24D s/n: 41-11608.
Produced 1942 - 1944

Consolidated Fort Worth, Texas (CF)

70 mixed with B-24D-CO s/n.
42-107249 / 42-107275
- 26 as C-87.
- 1 as AT-22-CF.
1107 / 1133
(renumbered: 1 / 27)
   
43-30548 / 43-30627
- 73 as C-87.
- 3 as C-87A-CF.
- 4 as AT-22-CF.
28 / 107    
44-39198 / 44-39298 1 / 101    
44-52978 / 44-52987 102 / 111 280 Total: 00280
125 additional airframes cancelled.

C-87A Liberator Express
As C-87, VIP interior, engine upgrade.
Produced 1942 - 1943

Consolidated Fort Worth, Texas (CF)

41-23863, 41-24159 658, 954    
41-24174 969    
43-30569 / 43-30571 49 / 51 6 Total: 00006

AT-22
As C-87, trainers for flight engineers.
Redesignated as TB-24D in 1944.
Produced 1943

Consolidated Fort Worth, Texas (CF)

42-107266 1124 (renumbered: 18)    
43-30549, 43-30561 29, 41    
43-30574, 43-30584 54, 64 5 Total: 00005

B-24E
As B-24D, modified props, no ventral turret.
Produced 1942 - 1943

Consolidated Fort Worth, Texas (CF)

41-29009 / 41-29115 1 / 107    
42-64395 / 42-64431 108 / 144

144

 

Douglas Tulsa, Oklahoma (DT)

41-28409 / 41-28573 1 / 165
(DT c/n: 15524 / 15688)
   
41-29007, 41-29008 unknown

167

 

Ford-Willow Run, Ypsilanti, Michigan (FO)

42-6976 unknown    
42-6977 / 42-7464 1 / 488    
42-7770 unknown

490

Total: 00801

B-24G
NAA version (NA-95) of B-24D, minor changes.
Produced 1943 - 1944

North American Dallas, Texas (NT)

42-78045 / 42-78069 1 / 25
(NT c/n: 95-15131 / 15155)

25

 

B-24G-1
Introduction of powered nose turret.

42-78070 / 42-78474 26 / 430
(NT c/n: 95-15156 / 15560)

405

Total: 00430

650 NA-118 and 300 NA-125 additional airframes cancelled.

B-24H
As B-24G-1, engine / armament upgrade, ventral turret.
Produced 1943 - 1944

Consolidated Fort Worth, Texas (CF)

41-29116 / 41-29211 154 / 249    
41-29212 / 41-29258 261 / 307    
41-29259 / 41-29608 358 / 707    
42-50277 / 42-50451 708 / 882    
42-64432 / 42-64440 145 / 153

 

 
42-64441 / 42-64451 250 / 260    
42-64452 / 42-64501 308 / 357

738

 

Douglas Tulsa, Oklahoma (DT)

41-28574 / 41-29006 166 / 598
(DT c/n: 15689 / 16121)
   
42-51077 / 42-51225 599 / 747
(DT c/n: 16122 / 16270)

582

 

Ford-Willow Run, Ypsilanti, Michigan (FO)

42-7465 / 42-7769 489 / 793    
42-52077 / 42-52776 794 / 1493    
42-94729 / 42-95503 1494 / 2268

1780

Total: 03100

B-24I - Not used.

B-24J
As B-24H, engine upgrade, many block no. changes.
NAA built had charge number NA-95.
Produced 1943 - 1944

Consolidated San Diego, California (CO)

42-72964 / 42-73514 2534 / 3084    
42-99936 / 42-100435 3085 / 3584    
42-109789 / 42-110188 3585 / 3984    
44-40049 / 44-41389 3985 / 5325

2792

 
39 to RAAF as A72-13, A72-31 / A72-68.
434 additional airframes cancelled.

Consolidated Fort Worth, Texas (CF)

42-50452 / 42-50508 883 / 939    
42-64047 / 42-64394 296 / 643    
42-99736 / 42-99935 644 / 843    
44-10253 / 44-10752 844 / 1343    
44-44049 / 44-44501 1344 / 1796

1558

 
47 additional airframes cancelled.

Douglas Tulsa, Oklahoma (DT)

42-51226 / 42-51430 748 / 952
(DT c/n: 16271 / 16475)

205

 

North American Dallas, Texas (NT)

42-78475 / 42-78794 431 / 750
(NT c/n: 95-15561 / 15880)
   
44-28061 / 44-28276 751 / 966
(NT c/n: 95-unknown)

536

 
106 to RAAF as A72-300 / A72-405.
345 additional B-24J-NC airframes cancelled.

Ford-Willow Run, Ypsilanti, Michigan (FO)

42-50509 / 42-51076 2394 / 2961    
42-51431 / 42-52076 2962 / 3607    
42-95504 / 42-95628 2269 / 2393    
44-48754 / 44-49001 3609 / 3856 1587 Total: 06678

B-24L
As B-24J, revised gun turret positions.
Produced 1944 - 1945

Consolidated San Diego, California (CO)

44-41390 / 44-41806 5326 / 5742

417

 
83 to RAAF as A72-69 / A72-142,
A72-149 / A72-157.

Ford-Willow Run, Ypsilanti, Michigan (FO)

44-49002 / 44-50251 3857 / 5106

1250

Total: 01667

B-24M
As B-24L, lightweight tail turret, minor changes.
Produced 1944 - 1945

Consolidated San Diego, California (CO)

44-41807 / 44-42722 5743 / 6658

916

 
47 to RAAF as A72-143 / A72-148,
A72-158 / A72-198.
1326 additional airframes cancelled.

Ford-Willow Run, Ypsilanti, Michigan (FO)

44-50252 / 44-51928 5107 / 6783

1677

Total: 02593

124 additional airframes cancelled.

XB-24N
Prototype, single tail, nose ball turret, minor changes.
Produced 1944

Ford-Willow Run, Ypsilanti, Michigan (FO)

44-48753 3608

1

Total: 00001

YB-24N
As XB-24N, service test aircraft.
Produced 1945

Ford-Willow Run, Ypsilanti, Michigan (FO)

44-52053 / 44-52059 6908 / 6914 7 Total: 00007

B-24N - 5168 ordered but cancelled on VJ Day.

PB4Y-2 Privateer
As PB4Y-1, lengthened fuselage, single tail,
engine upgrade, oval waist turrets.
Consolidated Model 40, (Convair Model 100).
Redesignated as P4Y-2 in 1951.
Redesignated as P-4B in 1962.
Produced 1944 - 1945

Consolidated San Diego, California (Y)

BuNo.59350 / 60009 ?    
BuNo.66245 / 66324 ? 740 Total: 00740
630 additional airframes cancelled.

RY-3 Liberator Express
USN version of C-87, single tail, unofficial USAAF
designation was C-87C, of which 125 cancelled.
Consolidated Model 32, (Convair Model 101).
Produced 1944

Consolidated San Diego, California (Y)

BuNo.90020 / 90050 ?    
BuNo.90057 / 90059 ? 34 Total: 00034
78 additional airframes cancelled.

R2Y-1 Liberator Liner
Prototype, new fuselage, B-24 wings, PB4Y-2 tail.
Later registered to a civil operator for evaluation.
Consolidated Model 39, (Convair Model 104).
Produced 1944

Consolidated San Diego, California (Y)
XR2Y-1

BuNo.09803
NX30039 (civil reg.)
?

1

 

R2Y-1

NX3939 (civil reg.) ? 1 Total: 00002
253 additional airframes cancelled.

 

Grand Total: 19258

B-24 CONVERSIONS

USAAF / USAF

RB-24 1 B-24, 1942, "restricted" from combat for company testing.
RB-24A 1+ B-24A, 1941, "restricted" from combat for company testing.
XB-24B 1 XB-24(39-556), 1941, oval nacelles, upgraded engines, armour. 
Basis for the 9 B-24C's, new s/n: 39-680.
RB-24C 9 B-24C, 1942, "restricted" from combat for company testing.
SB-24D 10 B-24D, 1943-1945, "Snooper", blind bombing capable conversions.
XB-24F 1 B-24D(41-11678), 1943-1947, tests for thermal anti-icing system.
TB-24H 1 B-24H, training aircraft for B-29 gunners.
XB-24J 2 B-24H(42-95100), prototype for Ford Motor Co. "J" production,
B-24J(42-73130), prototype fitted with B-17G nose section.
CB-24J 1+ B-24J, cargo conversions.
TB-24J 621 B-24J, 1944-1945, conversions for crew training.
RB-24L 1+ B-24L, 1944, training aircraft for B-29 gun crews.
(TB-24L) 194 RB-24L, redesignation for radar training.
TB-24M 111 B-24M, 1944-1945, conversions for crew training.
ZB-24M 1+ B-24M, 1948, redesignation as "obsolete".
(EZB-24M) 1 ZB-24M, 1945-1953, conversion for anti-icing tests.
XB-24P 1 B-24D(42-40344), 1943-1945, conversion for fire control research.
XB-24Q 1 B-24L(44-49916), 1946-1948, tests for radar-controlled turret on B-47.
B-24ST 1 B-24D(42-40058), 1943, Single Tail prototype.
(XB-24K) 1 B-24D(42-40234), 1943-1945, tail section of 42-40058 grafted to
front end of more developed 42-40234 for further flight testing.
XB-41 1 B-24D, 1943, prototype gunship escort, later
redesignated as TB-24D.
BQ-8 1+ B-24D/J's, unmanned flying bombs, no operational use.
XC-87 1 C-87(41-11608), 1944-1945, temporary conversion of
original prototype, new s/n: 41-39600.
XC-87B 1 B-24D(42-40355), 1943, unofficial designation for C-87 / RY-3
hybrid for CAC use, named "Pinocchio".
C-87B 1+ C-87, armed transport conversion, few converted.
XC-109 1 B-24E(42-7221), 1943-1944, prototype for unarmed fuel tanker.
C-109 209 93 B-24J / 116 B-24L, 1943-1945, fuel tanker transports.
XF-7 1 B-24D, 1943-1945, conversion as photo reconn. aircraft.
F-7 4 B-24D, 1943-1945, photo reconnaissance aircraft.
F-7A 87 B-24J, 1944-1945, photo reconn. aircraft with 3 cameras.
F-7B 123 47 B-24J / 5 B-24L / 71 B-24M, 1944-1945, photo reconn.
aircraft with 6 cameras.
LB-30 75 Liberator Mk. II, 1942, returned to US as cargo transports.
RAF s/n's retained.
"Liberator Ferret" 173 1 B-24D / 172 B-24J, 1943-1945, conversions with passive
radar detecting / jamming equipment.

US Navy

PB4Y-1 977 273 B-24D / 1 B-24G / 372 B-24J / 186 B-24L / 145 B-24M,
1942-1945, aircraft serving with the US Navy.
Assigned BuNo. 31936 / 32335, 38733 / 38965, 46725 / 46737,
63915 / 63959, 65287 / 65396, 90132 / 90271, 90462 / 90483.
46 additional conversions cancelled.
(PB4Y-1G) 5 PB4Y-1, 1944-1946, conversions of PB4Y-1 for Coast Guard.
(PB4Y-1P) 65 PB4Y-1, 1944-1950, conversions for photo reconnaissance.
(P4Y-1P) 1+ 1951-1953, redesignation of PB4Y-1P.
(XPB4Y-2) 3 PB4Y-1, 1943, prototypes for PB4Y-2 with single tail etc.
PB4Y-2B 1+ PB4Y-2, conversions with anti-shipping missiles.
(P4Y-2B) 1+ 1951, redesignation of PB4Y-2B.
PB4Y-2G 9 PB4Y-2, US Coast Guard conversions, observation
windows added in place of turrets, glass nose.
(P4Y-2G) 9 1951, redesignation of PB4Y-2G.
PB4Y-2K 1+ PB4Y-2, radio controlled drones.
(P4Y-2K) 1+ 1951, redesignation of PB4Y-2K.
(QP-4B) 1+ 1962, redesignation of P4Y-2K.
PB4Y-2M 1+ PB4Y-2, meteorological conversions.
PB4Y-2P 1+ PB4Y-2, photo reconn. conversions.
(P4Y-2P) 1+ 1951, redesignation of PB4Y-2P.
PB4Y-2S 1+ PB4Y-2, aircraft with surface search radar.
(P4Y-2S) 1+ 1951, redesignation of PB4Y-2S.
QP4Y-2 1 PB4Y-2, personnel transport.
(QP-4B) 1 1962, redesignation of QP4Y-2.
RY-1 3 C-87A, 1943, aircraft serving with the US Navy.
Assigned BuNo. 67797 / 67799.
RY-2 5 C-87, aircraft serving with the US Navy.
Assigned BuNo. 39013 / 39017. 15 additional
conversions cancelled.

British RAF

Liberator C.Mk. II 16 Liberator Mk. II, conversions to cargo transports.
Liberator Mk. III &
Liberator Mk. V
382 B-24D, aircraft serving with the RAF, Mk. V were
modified for Coastal Command with ASV radar.
Delivered as Mk. III (156), GR.Mk. V (226).
Assigned RAF s/n: BZ711 / BZ959, FK214 / FK245,
FL906 / FL995, LV336 / LV346.
Conversions: C.Mk. III (1), Mk. IIIA (11), C.Mk. V (23).
15 Mk. III / V to RCAF as 586 / 600.
Liberator Mk. IV - B-24E, not used, assigned to Liberator Mk. VI conversions.
Liberator Mk. VI &
Liberator Mk. VIII
1512 B-24H/J/L, aircraft serving with the RAF.
Delivered as B.Mk. VI (899), GR.Mk. VI (247),
B.Mk. VIII (108), GR.Mk. VIII (258).
Assigned RAF s/n: BZ960 / BZ999, EV812 / EV899,
EW100 / EW322, KG821 / KG999, KH100 / KH420,
KK221 / KK378, KL348 / KL689, KN702 / KN836,
KP125 / KP146, TS519 / TS539, TT336, TT340, TT343,
TW758 / TW769, VB852, VB904, VD245, VD249.
156 Mk. VI probably not delivered, not counted.
Conversions: B.Mk. IV (12), C.Mk. IV (16), C.Mk. VI (144),
C.Mk. VIII (86).
57 GR.Mk. VI to RCAF as 570 / 579,
3701 / 3742, 11101 / 11105.
16 GR.Mk. VIII to RCAF as 11120 / 11135.
Liberator C.Mk. VII 24 C-87, aircraft serving with the RAF.
Assigned RAF s/n: EW611 / EW634.
Liberator C.Mk. IX 28 RY-3, aircraft serving with the RAF.
Assigned RAF s/n: JT973 / JT999, JV936.
1 to RCAF.
83 additional conversions cancelled.

FOREIGN MILITARY / CIVILIAN SERVICE
 
- B-24's in service during and post World War II with Australia,
   Canada, China, Czechoslovakia, France, Honduras, India,
   The Netherlands, South Africa and Turkey.
 - Several P4Y-2's used by civil Latin-American Airlines in the 1960's.
 -
Super Privateer, conversions in the US to fire bombing aircraft.

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