Article 7607 of rec.aviation.military:
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From: jfb@usgp1.ih.att.com (Joe Baugher)
Subject: Bomber Series--Consolidated B-24 Liberator (29 of ??)
Message-ID: <D07pyI.71s@ssbunews.ih.att.com>
Summary: PB4Y-1 for US Navy
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Organization: AT&T
Date: Sat, 3 Dec 1994 02:08:42 GMT
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The PB4Y-1 was a navalized version of the USAAF B-24.  It had its 
origin in a deal cut in mid-1942 between the Navy and the USAAF.  The 
Navy was anxious to acquire a long-range, land-based heavy maritime 
reconnaissance and patrol aircraft capable of carrying a substantial 
bombload, but the USAAF had always resisted what it perceived as an 
encroachment into its jealously-guarded land-based bomber program.  
However, the USAAF needed an aircraft plant to manufacture its next 
generation of heavy bombers, the B-29 Superfortress.  It happened that 
the Navy owned a plant at Renton, Washington, which was at that time 
being operated by Boeing for the manufacture of the PBB-1 Sea Ranger 
twin-engined patrol flying boat.  The Army proposed that the Navy 
cancel the Sea Ranger and turn over the Renton factory to them for 
B-29 production.  In exchange, the USAAF would get out of the 
antisubmarine warfare business and would drop its objections to the 
Navy's operation of land-based bombers.  The Navy would get 
"navalized" B-24 Liberators, B-25 Mitchells, and B-34/B-37 Venturas 
for use in maritime reconnaissance and antisubmarine warfare.  The 
Navy readily agreed to this arrangement.  

The navalized Liberator was assigned the designation PB4Y-1.  The 
initial PB4Y-1s were essentially B-24Ds delivered to the Navy with 
very little change and assigned Navy Bureau of Aeronautics serial 
numbers.  They were drawn from a variety of B-24D block numbers.  The 
Navy Liberators first entered service with VP-101 at NAS Barber Point, 
Hawaii in September of 1942.  Their first U-boat kill took place on 
November 5, 1942.  

The USAAF Antisubmarine Command had been initially assigned the 
responsibility for antisubmarine warfare, and flew antisubmarine 
operations out of bases in the USA and in Britain.  As part of the 
deal cut with the Navy, the USAAF agreed to get out of the 
antisubmarine patrol business.  When the USAAF's antisubmarine units 
were disbanded in 1943, their ASV radar-equipped B-24Ds were traded to 
the Navy in exchange for new production B-24Ds that had already been 
earmarked for the Navy.  Navy and Marine Corps squadrons soon began 
flying the Liberator on long-range antisubmarine patrols over both the 
Atlantic and Pacific Oceans.  VB-110, based at Cornwall in England, 
took over antisubmarine duties from the USAAF's 479th ASG.  VPB-104 
began operating PB4Y-1s out of Henderson Field, Guadalcanal in 1ate 
1943.  Modifications were made to permit installation of the AN/ARC-1 
radar intercept receiver.  By May of 1945, there were 24 Navy and 
Marine Corps squadrons flying the PB4Y-1.  

VPB-116 began ECM operations with PB4Y-1s out of Eniwetok Atoll in 
March of 1944.  They flew sorties against Japanese radar installations 
on Truk, and made radar plots at 1000-, 1000- and 500-foot altitudes.  
These plots helped airstrikes pick approach directions which would 
minimize alert time for the enemy.  

Later Navy Liberators were based on the B-24G, J, L, and M versions, 
with their factory-installed Consolidated A-6A/B or Emerson A-15 nose 
turrets.  However, they retained the same naval designation of PB4Y-1 
as the initial planes based on the B-24D.  All PB4Y-1s had Martin A-3 
upper turrets and Consolidated A-6A/B tail turrets.  

In service, several B-24D-based PB4Y-1s were retrofitted with ERCO 
(Engineering and Research Company) ball turrets in their noses.  This 
ball turret had originally been designed for the now-cancelled Sea 
Ranger patrol bomber.  The ERCO ball turret was essentially spherical 
whereas the earlier Consolidated or Emerson turrets were essentially 
cylindrical.  

A total of 13 U-boats were sunk by Navy PB4Y-1s during World War 2, at 
the cost of 33 PB4Y-1s.  

Two PB4Y-1s of VB-110 were modified as pilotless flying bombs to be 
launched against high-priority targets in occupied Europe.  Known as 
*Project Anvil*, the initial goal was to take out a German V-2 
installation in occupied France.  A PB4Y-1 was fitted with remote 
control gear, a forward-looking television camera to be used in the 
final run in to the target, and 25,000 pounds of explosives.  Since 
there was no time to develop remotely-controlled takeoff equipment, 
the aircraft was to be flown to an altitude of 2000 feet by a pilot, 
who would arm the explosives, hand the aircraft over to remote 
control, and then bail out.  

The first operation took place on August 12, 1944.  The two pilots 
flying the PB4Y-1 were Lt Joseph P. Kennedy, Jr (JFK's older brother) 
and Lt. Wilford J. Willy.  The PB4Y-1 was accompanied by a Lockeed 
PV-1 control aircraft and a USAAF B-17 to monitor the television 
transmissions.  However, the PB4Y-1 exploded 20 minutes after takeoff, 
killing both pilots.  A fusing system malfunction was apparently to 
blame for the accident.  

The second try took place on September 3, 1944, this time against an 
airfield in Heligoland, the original French V-2 site having by this 
time been overrun by Allied troops.  Lt. Ralph Spaulding piloted the 
takeoff of the modified PB4Y-1 and was able to parachute to safety 
after having armed the explosives.  Control was handed over to the 
PV-1, and the aircraft was flown at low altitude across the North Sea.  
The crew in the B-17 had a clear view via television of the approach 
to the target.  Although the TV camera was put of action by flak just 
before the PB4Y-1 struck, the observers in the other planes saw a 
massive explosion as the Liberator struck its target.  

The Navy also obtained a number of Liberator transports.  The Navy 
bought three RY-1s (based on the C-87A-CF) and five RY-2s (based on 
the C-87-CF).  

Five PB4Y-1s were operated by the US Coast Guard from 1944-1946.  

After the war, Navy Liberators continued to operate into the early 
1950s.  A number of Navy Liberators were modified for reconnaissance 
duties as PB4Y-1Ps and served until 1950 with VP-61 and VP-62.  In 
1951, they were redesignated P4Y-1P.  In the early stages of the 
Indochina War, PB4Y-1Ps from VP-61 flew reconnaissance missions over 
Vietnam in support of French operations between 1951 and 1953.  

The US Navy acquired a total of 977 PB4Y-1 Liberators.  There were 
seven blocks of BuAer serial numbers assigned to these planes:  
31936/32335, 38733/38965, 46725/46737, 63915/63959, 65287/65392, 
90132/20271, and 90461/90483.  All of them were delivered to the Navy 
from batches originally ordered by the USAAF, and had been assigned 
USAAF serials before their transfer to the Navy.  The USAAF serial 
numbers of these planes were as follows:  


41-23825/23849		Consolidated B-24D-7-CO Liberator
				23826,23827 to Navy as PB4Y-1 31936,31937.
41-23920/23958   	Consolidated B-24D-13-CO Liberator
				23926,23927 to Navy as PB4Y-1 31938,31939.
				23946,23947 to Navy as PB4Y-1 31940,31941.
41-23970/24003   	Consolidated B-24D-15-CO Liberator
				23993/23996 to Navy as PB4Y-1 31942/31945.
41-24030/24099   	Consolidated B-24D-15-CO Liberator
				24053 to Navy as PB4Y-1 31950
				24049/24051 to Navy as PB4Y-1 31946/31948.
				24088 to Navy as PB4Y-1 31949
				24083,24084 to Navy as PB4Y-1 31951/31952.
				24086,24087 to Navy as PB4Y-1 31953/31954.
41-24100/24138   	Consolidated B-24D-20-CO Liberator
				24115/24118 to Navy as PB4Y-1 31955/31958.
				24131/24134 to Navy as PB4Y-1 31959/31962.
41-24175/24219   	Consolidated B-24D-20-CO Liberator
				24176/24178 to Navy as PB4Y-1 31963/31965.
				24208/24210 to Navy as PB4Y-1 31966/31968.
41-24220/24311   	Consolidated B-24D-25-CO Liberator
				24240/24242 to Navy as PB4Y-1 31969/31971.
				24271/24272 to Navy as PB4Y-1 31972/31973.
				24303/24307 to Navy as PB4Y-1 31974/31978.
42-40058/40137		Consolidated B-24D-30-CO Liberator
				40083/40087 to USN as PB4Y-1 31979/31983.
				40118/40122 to USN as PB4Y-1 31984/31988.
42-40138/40217		Consolidated B-24D-35-CO Liberator
				40151/40155 to USN as PB4Y-1 31989/31993.
				40187/40191 to USN as PB4Y-1 31994/31998.
				40204 to USN as PB4Y-1 32043.
42-40218/40257		Consolidated B-24D-40-CO Liberator
				40228 to USN as PB4Y-1 31999
				40224/40227 to USN as PB4Y-1 32000/32003.
42-40258/40322		Consolidated B-24D-45-CO Liberator
				40257 to USN as PB4Y-1 32020.
				40258 to USN as PB4Y-1 32009.
				40259/40263 to USN as PB4Y-1 32004/32008.
				40264 to USN as PB4Y-1 32010.
				40270/40273 to USN as PB4Y-1 32001/32014.
				40274 to USN as PB4Y-1 32019.
				40275/40378 to USN as PB4Y-1 32015/32018.
				40279 to USN as PB4Y-1 32021.
				40281 to USN as PB4Y-1 32031.
				40282/40283 to USN as PB4Y-1 32022/32023.
				40295/40299 to USN as PB4Y-1 32024/32028.
42-40345/40392		Consolidated B-24D-53-CO Liberator
				40369 to USN as PB4Y-1 32053.
				40390 to USN as PB4Y-1 32029.
42-40393/40432		Consolidated B-24D-55-CO Liberator
				40423 to USN as PB4Y-1 32030.
				40425 to USN as PB4Y-1 32044.
				40429 to USN as PB4Y-1 32032.
				40430 to USN as PB4Y-1 32038.
				40432 to USN as PB4Y-1 32033.
42-40433/40482		Consolidated B-24D-60-CO Liberator
				40434/40436 to USN as PB4Y-1 32034/32036.
				40437/40438 to USN as PB4Y-1 32039/32040.
				40439 to USN as PB4Y-1 32037.
				40440 to USN as PB4Y-1 32041.
				40441 to USN as PB4Y-1 32045.
				40442 to USN as PB4Y-1 32042.
				40443 to USN as PB4Y-1 32046.
				40446 to USN as PB4Y-1 32047.
42-40483/40527		Consolidated B-24D-65-CO Liberator
				40498 to USN as PB4Y-1 63915
42-40528/40567		Consolidated B-24D-70-CO Liberator
				40553 to USN as PB4Y-1 63933
				40561/40562 to USN as PB4Y-1 32048/32049.
				40564 to USN as PB4Y-1 32055.
				40565 to USN as PB4Y-1 32050.
				40566 to USN as PB4Y-1 32052.
				40567 to USN as PB4Y-1 32051.
42-40568/40612		Consolidated B-24D-75-CO Liberator
				40568 to USN as PB4Y-1 32064.
				40570 to USN as PB4Y-1 32054.
				40571/40575 to USN as PB4Y-1 32056/32060.
				40576 to USN as PB4Y-1 32065.
				40578/40580 to USN as PB4Y-1 32061/32063.
				40581 to USN as PB4Y-1 32066.
				40584 to USN as PB4Y-1 32067.
42-40613/40652		Consolidated B-24D-80-CO Liberator
				40628 to USN as PB4Y-1 63930
42-40653/40697		Consolidated B-24D-85-CO Liberator
				40668 to USN as PB4Y-1 32072.
42-40698/40742		Consolidated B-24D-90-CO Liberator
				40709 to USN as PB4Y-1 32069.
				40711 to USN as PB4Y-1 32073.
				40712 to USN as PB4Y-1 32071.
				40714 to USN as PB4Y-1 32070.
				40715 to USN as PB4Y-1 32074.
				40717 to USN as PB4Y-1 32075.
				40718 to USN as PB4Y-1 32078.
				40720 to USN as PB4Y-1 32068.
				40721 to USN as PB4Y-1 32076.
				40723 to USN as PB4Y-1 32079.
				40724 to USN as PB4Y-1 32077.
				40725/40729 to USN as PB4Y-1 32080/32084.
42-40743/40787		Consolidated B-24D-95-CO Liberator
				40757 to USN as PB4Y-1 63937
				40761 to USN as PB4Y-1 63926
				40762 to USN as 63916
				40785 to USN as PB4Y-1 32085.
42-40788/40822		Consolidated B-24D-100-CO Liberator
				40789 to USN as PB4Y-1 63924
				40792 to USN as PB4Y-1 63927
				40794 to USN as PB4Y-1 32087.
				40796 to USN as PB4Y-1 32091.
				40797/40798 to USN as PB4Y-1 32089/32090.
				40799 to USN as PB4Y-1 32092.
				40802 to USN as PB4Y-1 32088.
				40805/40806 to USN as PB4Y-1 32093/32094.
				40809 to USN as PB4Y-1 63917
				40810 to USN as PB4Y-1 63932
				40811 to USN as PB4Y-1 63936
				40816 to USN as PB4Y-1 63929
42-40823/40867		Consolidated B-24D-105-CO Liberator
				40824 to USN as PB4Y-1 63923
				40825 to USN as PB4Y-1 63939
				40843 to USN as PB4Y-1 63918
				40846 to USN as PB4Y-1 63934
				40847 to USN as PB4Y-1 32095.
				40860 to USN as PB4Y-1 32086.
				40861 to USN as PB4Y-1 63931
				40867 to USN as PB4Y-1 63921
42-40868/40917		Consolidated B-24D-110-CO Liberator
				40868 to USN as PB4Y-1 32096.
				40876 to USN as PB4Y-1 63938
				40880/40881 to USN as PB4Y-1 32097/32098.
				40882 to USN as PB4Y-1 32102.
				40883/40884 to USN as PB4Y-1 32100/32101.
				40888 to USN as PB4Y-1 32103.
				40889 to USN as PB4Y-1 32099.
				40890 to USN as PB4Y-1 32104.
				40892/40893 to USN as PB4Y-1 32105/32106.
				40895 to USN as PB4Y-1 32107.
				40897 to USN as PB4Y-1 63928
				40898 to USN as PB4Y-1 32108.
				40899 to USN as PB4Y-1 32110.
				40901 to USN as PB4Y-1 63922
				40902 to USN as PB4Y-1 32109.
				40903 to USN as PB4Y-1 32111.
				40906 to USN as PB4Y-1 32112.
				40907 to USN as PB4Y-1 63925
				40908/40909 to USN as PB4Y-1 32113/32114.
42-40918/40962		Consolidated B-24D-115-CO Liberator
				40923 to USN as PB4Y-1 32115.
				40932 to USN as PB4Y-1 32116.
				40936 to USN as PB4Y-1 32117.
				40943 to USN as PB4Y-1 32118.
				40947/40948 to USN as PB4Y-1 32119/32120.
				40950 to USN as PB4Y-1 32123.
				40951/40952 to USN as PB4Y-1 32121/32122.
				40953 to USN as PB4Y-1 32124.
42-40963/41002		Consolidated B-24D-120-CO Liberator
				40971 to USN as PB4Y-1 32126.
				41001 to USN as PB4Y-1 32125.
42-41003/41047		Consolidated B-24D-125-CO Liberator
				41016 to USN as PB4Y-1 32127.
				41019/41020 to USN as PB4Y-1 32128/32129.
				41024/41025 to USN as PB4Y-1 32130/32131.
				41034 to USN as PB4Y-1 32136.
				41035 to USN as PB4Y-1 32135.
				41036 to USN as PB4Y-1 32137.
				41037/41038 to USN as PB4Y-1 32132/32133.
				41039 to USN as PB4Y-1 32138.
				41042 to USN as PB4Y-1 32139.
				41044 to USN as PB4Y-1 32140.
				41045 to USN as PB4Y-1 32134.
				41046 to USN as PB4Y-1 32141.
42-41048/41092		Consolidated B-24D-130-CO Liberator
				41048 to USN as PB4Y-1 32142.
				41052 to USN as PB4Y-1 32144.
				41055 to USN as PB4Y-1 32143.
42-41093/41137		Consolidated B-24D-135-CO Liberator
				41102 to USN as PB4Y-1 32145.
				41119 to USN as PB4Y-1 32146.
				41121 to USN as PB4Y-1 32147.
				41122 to USN as PB4Y-1 32152.
				41123 to USN as PB4Y-1 32148.
				41130/41131 to USN as PB4Y-1 32149/32150.
				41134 to USN as PB4Y-1 32153.
42-41138/41172		Consolidated B-24D-140-CO Liberator
				41138 to USN as PB4Y-1 32151.
				41139 to USN as PB4Y-1 32154.
				41148 to USN as PB4Y-1 32155.
				41153 to USN as PB4Y-1 32156.
				41165/41167 to USN as PB4Y-1 32157/32159.
42-41173/41217		Consolidated B-24D-145-CO Liberator
				41204 to USN as PB4Y-1 32160.
42-72865/72914		Consolidated B-24D-165-CO Liberator
				72883 to USN as PB4Y-1 32161.
				72888/72889 to USN as PB4Y-1 32162/32163.
				72893 to USN as PB4Y-1 32164.
				72895 to USN as PB4Y-1 63948
				72897 to USN as PB4Y-1 63945
				72903 to USN as PB4Y-1 63946
				72905 to USN as PB4Y-1 63942
				72906 to USN as PB4Y-1 63947
				72909 to USN as PB4Y-1 63943
				72910 to USN as PB4Y-1 63950
				72913 to USN as PB4Y-1 63949
				72914 to USN as PB4Y-1 63957
42-72915/72963		Consolidated B-24D-170-CO Liberator
				72915 to USN as PB4Y-1 63944
				72916 to USN as PB4Y-1 63959
				72917 to USN as PB4Y-1 63958
				72918 to USN as PB4Y-1 63952
				72919 to USN as PB4Y-1 63951
				72920 to USN as PB4Y-1 63956
				72921 to USN as PB4Y-1 63955
				72922/72923 to USN as PB4Y-1 32165/32166.
				72924 to USN as PB4Y-1 63954
				72925/72926 to USN as PB4Y-1 32167/32168.
				72928 to USN as PB4Y-1 63953
42-73015/73064		Consolidated B-24J-5-CO Liberator
				73036 to USN as PB4Y-1 32169.
42-73065/73114		Consolidated B-24J-10-CO Liberator
				73091/73110 to USN as PB4Y-1 32170/32189.
42-73165/73214		Consolidated B-24J-20-CO Liberator
				73168/73180 to USN as PB4Y-1 32190/32202.
				73205/73214 to USN as PB4Y-1 32203/32212.
42-73365/73414		Consolidated B-24J-40-CO Liberator
				73400/73409 to USN as PB4Y-1 32213/32222.
42-78155/78314		North American B-24G-10-NT Liberator
				78271 to USN as PB4Y-1 38782
42-99986/100035		Consolidated B-24J-60-CO Liberator
				100026/100030 to USN as PB4Y-1 32223/32227.
42-100136/100185	Consolidated B-24J-75-CO Liberator
				100161/100165 to USN as PB4Y-1 32228/32232.
42-100286/100335	Consolidated B-24J-90-CO Liberator
				100296/100304 to USN as PB4Y-1 32233/32241.
42-100336/100385	Consolidated B-24J-95-CO Liberator
				100378/100382 to USN as PB4Y-1 32242/32246.
42-100386/100435	Consolidated B-24J-100-CO Liberator
				100417/100420 to USN as PB4Y-1 32247/32250.
42-109889/109938	Consolidated B-24J-115-CO Liberator
				109905/109914 to USN as PB4Y-1 32251/32260.
42-109939/109988	Consolidated B-24J-120-CO Liberator
				109955/109964 to USN as PB4Y-1 32261/32270.
42-109989/110038	Consolidated B-24J-125-CO Liberator
				110007/110016 to USN as PB4Y-1 32271/32280.
42-110089/110138	Consolidated B-24J-135-CO Liberator
				110124/110133 to USN as PB4Y-1 32281/32290.
42-110139/110188	Consolidated B-24J-140-CO Liberator
				110174/110183 to USN as PB4Y-1 32291/32300.
44-40049/40148		Consolidated B-24J-145-CO Liberator
				40054/40063 to USN as PB4Y-1 32301/32310
				40074/40083 to USN as PB4Y-1 32311/32320
				40094/40097 to USN as PB4Y-1 32321/32324
44-40149/40248		Consolidated B-24J-150-CO Liberator
				40174/40183 to USN as PB4Y-1 32325/32334
				40214 to USN as PB4Y-1 32335
				40215/40223 to USN as PB4Y-1 38733/38741
44-40249/40348		Consolidated B-24J-155-CO Liberator
				40254/40263 to USN as PB4Y-1 38742/38751
				40304/40313 to USN as PB4Y-1 38752/38761
				40344/40348 to USN as PB4Y-1 38762/38766
44-40349/40448		Consolidated B-24J-160-CO Liberator
				40349/40353 to USN as PB4Y-1 38767/38771
				40384/40393 to USN as PB4Y-1 38772/38781
				40445/40448 to USN as PB4Y-1 38782/38785
44-40449/40548		Consolidated B-24J-165-CO Liberator
				40449/40453 to USN as PB4Y-1 38786/38791
				40504/40513 to USN as PB4Y-1 38792/38801
44-40549/40648		Consolidated B-24J-170-CO Liberator
				40574/40583 to USN as PB4Y-1 38802/38811
				40634/40643 to USN as PB4Y-1 38812/38821
44-40649/40748		Consolidated B-24J-175-CO Liberator
				40694/40703 to USN as PB4Y-1 38822/38831
44-40749/40848		Consolidated B-24J-180-CO Liberator
				40764/40773 to USN as PB4Y-1 38832/38841
				40834/40843 to USN as PB4Y-1 38842/38851
44-40849/40948		Consolidated B-24J-185-CO Liberator
				40904/40913 to USN as PB4Y-1 38852/38861
44-40949/41048		Consolidated B-24J-190-CO Liberator
				40968/40972 to USN as PB4Y-1 38862/38866
				41034/41038 to USN as PB4Y-1 38867/38871
44-41049/41148		Consolidated B-24J-195-CO Liberator
				41100/41104 to USN as PB4Y-1 38872/38876
44-41149/41248		Consolidated B-24J-200-CO Liberator
				41166/41170 to USN as PB4Y-1 38877/38881
				41239/41248 to USN as PB4Y-1 38882/38891
44-41249/41348		Consolidated B-24J-205-CO Liberator
				41279/41288 to USN as PB4Y-1 38892/38901
				41297/41308 to USN as PB4Y-1 38902/38913
				41319/41328 to USN as PB4Y-1 38914/38923
44-41349/41389		Consolidated B-24J-210-CO Liberator
				41359/41368 to USN as PB4Y-1 38924/38933
44-41390/41448		Consolidated B-24L-1-CO Liberator
				41406/41416 to USN as PB4Y-1 38934/38944
44-41449/41548		Consolidated B-24L-5-CO Liberator
				41484/41493 to USN as PB4Y-1 38945/38954
				41519/41528 to USN as PB4Y-1 38955/38964
44-41549/41648		Consolidated B-24L-10-CO Liberator
				41554/41568 to USN as PB4Y-1 38955/38969
				41569/41573 to USN as PB4Y-1 90462/90466
				41584/41600 to USN as PB4Y-1 90467/90483
				41601/41603 to USN as PB4Y-1 46725/46727
44-41649/41748		Consolidated B-24L-15-CO Liberator
				41683/41691 to USN as PB4Y-1 46728/46736
				41701 to USN as PB4Y-1 46737
				41702/41748 to USN as PB4Y-1 65287/65333
44-41749/41806		Consolidated B-24L-20-CO Liberator
				all to USN as PB4Y-1 65334/65391
44-41849/41948		Consolidated B-24M-5-CO Liberator
				41857/41861 to USN as PB4Y-1 65392/65396
				41862 to USN as PB4Y-1 90132.
				41864/41865 to USN as PB4Y-1 90134/90135.
				41887/41942 to USN as PB4Y-1 90136/90191.
44-41949/42048		Consolidated B-24M-10-CO Liberator
				41997/41999 to USN as PB4Y-1 90192/90194.
				42000/42016 to USN as PB4Y-1 90195/90211.
				42017 to USN as PB4Y-1 90133.
				42032/42048 to USN as PB4Y-1 90212/90228.
44-42049/42148		Consolidated B-24M-15-CO Liberator
				42049/42051 to USN as PB4Y-1 90229/90231.
				42067/42093 to USN as PB4Y-1 90232/90258.
44-42149/42248		Consolidated B-24M-20-CO Liberator
				42176/42188 to USN as PB4Y-1 90259/90271.
44-42249/42348		Consolidated B-24M-25-CO Liberator


Sources:

    Famous Bombers of the Second World War, William Green, 
    Doubleday, 1959.

    British Military Aircraft Serials, 1912-1969, Bruce Robertson,
    Ian Allen, 1969.

    Liberator: America's Global Bomber, Alwyn T. Lloyd,
    Pictorial Histories Publishing Co, Inc, 1993.

    The Consolidated B-24J Liberator, Roger A. Freeman,
    Profile Publications, Inc. 1969.

    B-24 Liberator in Action, Larry Davis, Squadron/Signal Publications
    Inc, 1987.

    General Dynamics Aircraft and Their Predecesssors, John Wegg,
    Naval Institute Press, 1990.

    Consolidated B-24D-M Liberator IN USAAF-RAF-RAAF-MLD-IAF-CzechAF
    and CNAF Service, Ernest R. McDowell, Arco, 1970. 

    United States Military Aircraft Since 1909, Gordon Swanborough
    and Peter M. Bowers, Smithsonian, 1989.

    American Combat Planes, 3rd Enlarged Edition, Ray Wagner,
    Doubleday, 1982.

    Jane's American Fighting Aircraft of the 20th Century,  Michael
    J.H. Taylor, Mallard Press.


Joe Baugher			  **************************************
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