XXI Bomber Command, Analysis of Failure to Bomb, June 1945

8/8/2019 XXI Bomber Command, Analysis of Failure to Bomb, June 1945

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BOMBER COMM.AND

ANALYSIS or

FAILURES TO BOMB

JUNE1 ~ 4 5



F'LO'iN DtmllC JUliE, ] Cl4i

1. D\n"ing Jme th e low pcrcenu_go of abort-ive slr.t1"s gxnl"yit>ncooestablished a new reCor'd for the XXI BodJer common::!.. ~ 8 1 : \ ; r c : , tc bom'lprimRry tOJ'«ets for all. rensons tIIIIO\l'lted to ooly 9.4' of ' .Ie:; l ' i : ' b o ~ engninst 10.6S for Yny and 1 5 . ~ f or Apr il ; _hile fnilw'c!J t ' ) blX.lh

tOJ'get d1lrlnished to ff1, of totfol aircrnft I!.1rborne as CCJ1ltyreL with 7.ff1,

fo r end 7 . f or Apr il .

2. Rensms fo r failures to bodJ nro outlined by DSjor entegQ:7 in

the tcble below:

XXI BalDER C'J,.."Wrn

1" of pL,nc8 Airborne Fcll ...ng to Bom

_ffi1MARY TARGET _ k · n . . . . 1 A J ~ " " I . . . . . . - _

!E l l !!!JL Jmc ~ E l " : ! '. l iry J .

Mnintenance ond MaterielF o . i l ~ e 8

• !Jlgine Feilures ' .8 ' .8 4 , , .2 ) .2 ' .2

Mechanical Failures 1. 9 2.4 1. 7 1..:.; 1.8 1. 1

Mnintenance Personnel Fnilures 1.3 1.5 1. 0 1. 1 1. 4 .9

' rotal 7.1 7. 7 7.1 5.7 6.4 5 2

Air Crew Failuros 2.1 1. 9 1.0 .6 .8 .5

"eathor ' .8 .5 .7 .1 .1 .02

mom Action .10 .2 .2 .2 .1 .1

.5 .4 .3 .2 .2



• 1 , . . 1 11 ' _ _•••• , .. . T- . j i l ~

.0 8

.03

.il

.22

Prop

GoYe::'nor

.23

.39

.50

.28

Prop

Control

.19

.12

.il

.22

Electr ic ' \ !SysteJr.

%of Airborne Fniling to BoobPriMry Tnrgets Due to :

lIDrchApril

IIny

J ~

•

4. Apc'.rt from th e engine, t t ) principle> S"/EtCtlS ct'using fc i lu resto bOClb prUmry t l ' rgets were tho eloctric: . l ~ . l I d pr"1poUer. r.htle pr:)pellcrcontro l t lssedll i es seomed to fUlCtion llit.h 1 ;5 S Clt.fflcul;;y in !un::lo tht'L 1 [,

Mn)", fnilures !fere s t i l l relnt iyoly biKb. c.nt: prop pove.rnor ft ' . ilt:es sl::n i

eo =ked incroose.

5. In Yiewing f a i l u r ~ s tc bOlllb priJluu"y u-rgets by :ring, tne 73rd~ ~ b o ~ k ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ J ~ ~ ~ ~tlYernge of 7.8% of i t s nirborne nircrr.ft f d l i ng to bonb pril'1f'-l7 t ~ . : " r < ) ~ e .The 3ll.th Wing hnd th.;! highest percent or rirbom.e fnil ing to b:lClb pr-!aC::")tnrgats mth tm nyernge of 11.5% for th.::: month. D o t ~ i l c d T ( ; ~ 6 o n S :('11f ai lu re s t o bO!:lb primnry t'U'g.:::ts {'.l id folilures to 1:000 ( ' f ly tf'TCet ('.!'O 1-dicated by wing in the tr .bles fWJ.arlng.

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FJlWJP.E TO B'!'.R R r f . ~ . T l ' J '".I!W:G'l',

- - - - - - - - - _. -, --""'"'.

- S . . f 1 t h _ ~ - - - - Z : " ~ d . . 1 l . L _ _ . " ' ; ~ . ; J t . . " . J : . I r . : - - _ _:::..e.!:J..'C _ _ _ _ .;lmb...."2::__ . J ' _ 2 ' ~ _ _ _ -

"" = .An:Ci::' Mi.:U1.""""

A:'ll.. 111:£ ~ e,,, ""'"'. T

An f. .J.. 1ffo/. ....tV'r

I . . ; r , ' ~ . l . . . . T I ' , B : l ~ 916 1.30.3 1296 1155 1392 1104 116.3 1346 943 1182 1285 71 3343 44" 5397

- ---- - -_. --t ' . a i n t c n o . ~ e ",10. ht..tc!lel Failures, - - - - - - - - - - --

• Eneinu ra i lures 29 47 46 45 67 49 42 47 33 51 7' 3 128 167 234

Mechanioal Failures 17 22 18 32 15 28 36 30 18 21 25 1 64 106 93

Maintenel ce PersOIUlel Fa.ilures 17 7 16 15 16 2 l 23 15 8 10 18 .. 45 65 56

' l . · o ~ a l 63 76 80 92 98 98 101 92 59 82 113 4 237 338 383

1.1;.' : : : ' - : r . £ . ~ ~ _ : ~ ~ - : . J .

\r; -Tl""1' :::1 <J '

10 23 4 4 5 15. 11 2 1° 10 10 - 38 35 40

- . " , . - .. - 1 .,

- -..

- -..

· -1

"\J , . •- __ "

·t'1'.,:r-, ~ l e " ' ...· - 1 .. 2 1 16 2 - 3 .. 1 " 19 4 3

D'':!' .. --" •.-: - 1 6 1 .. 1 8 - .. 11 1 · 7 20 2

K..,,';'\:>£> , ..... 1 .. - .. - - 1" - 5 3 · 1 5 17 1

HaO'-l__ rla'lio Operator 1 2 - - 1 - 1 > - 1 · · " 3 5

Gunna,"s - - .. .. .. .. 2 1 .. .. ". 2 1

Total 12 27 lO 8 7 32 37 5 27 25 12 1 Iii 82 52

• Weather 1 7 67 1 1 46 5 20 13 14 11 · 126 2 l 39

En!'!!!!. ~ . . c H c n 4 1 2 2 " 8 1 3 4 1 9 " 14 8 13

O t h ~

&na11 Fol'tlJ:ltion

- - -1 2 22 . 2 5 .

- -27 1 5

.p i tched Enroote - . 1, 1

-1 . - . - · " 2 1 .Circled Survivcrs 2 2 2 1 1 1 - . " . 1 1 3 3 5

Uokno= 2 4 2 2 " 27 8 8 4 4 2 - 33 16 14

Total 4 6 5, 5 3 51 8 D 9 4 :> 1 65 21 23

TOTAL 84 117 164 108 109 235 152 130 112 126 148 6 5ll 470 510

• -. 3 -' •

•



l.1IbURE TO BOMB. PRIUAE'i T.bJ9.EI' N3 A P E _ I # ' . ~ R N E

58th We 73rd\16 113th I7g 114th i"g 1 l 5 t ~ '18 Total

June A 2 i l l ~ -""" Apr i l lm April lune .t..oril !l!>: June

M e . i n t e n a r c ~ J ! I l ~ M a t e r i e l FailuresEng;lne Fdilures 3.2 3.6 3·5 3·9 4.8 4.4 3. 6 3.5 3·5 4.3 5.4 4·2 3.8 3·8 4.3

• Mechanical Failures 1·9 1.7 1·4 2.8 1.1 2. 5 3 ·1 2.2 1·9 1.8 1.9 1.4 1.9 2·4 1. 7

M a i r . t e n i 3 . ~ e Personnel Failures 109 0.5 1.2 103 101 1 .9 2 .0 1.1 0.8 0.8 1.4 ., 1·3 1 ~ 1. 0

I 'otal 6.9 5.8 6.2 8.0 7. 0 8 .9 8 .7 6.8 6.3 6.9 8.8 506 7.1 7.7 7.1

!J.r e re " Fa i lu res

A/':, CY."lIflIlder 1.1 1.7 0·3 0·3 0·4 1. 4 0. 9 0.1 2.0 0.8 0.8 · 1·3 0.8 0.7

Co I - - ' . : ~ ; - · · 0.1 · . ., · · · · · . 0"'"

En8).neeJ··

0.1 ., 0.2 0.1 1-4 0.2 · 0·3 · 0.1 ., 0.6 0.1 0.1

Bom":lanUer - 0.1 005 0.1

-0 .1 0. 1

· ·0·9 0.1 ., 0.2 0.5 0,,°4

Nartgator0.1 · ., · · ... 1 .1 ., 0.5 0·3 · lo4 0.1 004 0• .:>2

Rad8l."'"Radio Operatcr 0.1 0.2 · · 0.1 _,0.1 0.1 · 0.1 · ., ., 0.1 001

- ., .: .: · · • 0.2 0.1 · · · - - 0.04 0.02

Total 1.3 2.1 0.8 0.7 0.5 2. 9 3. 2 004 209 201 0.9 lo4 201 109 100

Weath'S0.1 0.5 502 0.1 0.1 4.2 0.4 1.5 ,' - 1.2 0.9 -, 308 0.5 0.7

• Enemy Act ion 004 0.1 0.2 0.2 · 0 .7 0 .1 0.2 004 0.1 0·7 - 0.4 0.2 0.2

small FOI'IIIltion · · · 0.1 0.1 ••0 - 0.1 0.5 · - ., 0.8 0.02 0.1

Ditched Enroute · · 0.1 0.1 · 0.1 .

-· . · · 0.1 0.02 -

Circled ~ i v o r s 0.2 002 0.2 0.1 0.1 0.1.

- · · 0.1 1040.1 0.1 0.1

UnknO'll'n0.2 0·3 0.2 0.2 -: 2. 4 0. 7 O.G 004 0.3 o.a -

1.0 0.4 0.3

Total 0·4 0.5 004 004 0.2 4.6 0.7 0,;; ' .0 0·3 0.2 104 109 0.5 004

GRIlNDTarAL 9·2 9·0 12.7 9.J, 708 21.3 13.1 9·7 11·9 1007 U.s. s.s 1503 >0.6 9.J,

•... 4 ..

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• FAIl,!.,J,"E TO 8 C ~ , ! B jJ,T'[ T.Jif}]",T ; . , ~ \ % OF HFl:90RNE

_ . 1 5 - ~ ' £ h . ' i ! J . ~ _ 75fd \1g J:.Jth Vlg 314th I7g 315th (IS Total

!Jgy Iill:1l...

'1P.r i l

h.!!!:.Y. June Wi!. ~ ~ April l:1!r lune ~ M l!!!!<

_ ~ 0 : : ~ : : : : ~ ~ ':U"::'.J:· '""r i '.u:o:-es

nt...;i "1,-: :"'10'" 1'\'-<'><' 2.6 2.8 2·5 3·2 3·3 4·2 3·4 2·9 3·2 305 4.0 4.2 3·2 3·2 3·2

• .,i.e.I....,':',·:,;.1 la.-J. : re s 1.1 1.2 0, 9 2.2 0·9 2.0 2. 2 1.0 1.1 1.6 1·3 · 1.3 1.8 1.1M a ~ n t e n a l ' _ : : " l :Pez'sonnel Failures 1.7 0·5 1.1 1·3 1.1 1·4 1·7 0.9 0.8 Q..a 1.2 · 1.1 1.4 0.9

Tote l 5.5 4·4 4.5 6.7 5.3 7.6 7·3 4.8 5·1 509 6.;;, 402 5.7 6.4 5·2

, ~ ' r r.rew F a i l u r e ~" 0·5 0·3 0,3 0,2 0·4 0.5 0.2 0.1 0.5 0.1 0.5 0.4 002'1 f;nmnarrler · 0.3

' : ; ~ - " ' ' : ' t .... t · · .. 0.1 - . - - - - · · - 0.02

.l:X'Ol"ee:..- · · - 0.2 0.1 - 002 . 0·3 . 0.1 - 0.1 0.1 0.04Bo': l t>'l rdj .tH'

-0.1

·0,1

·0.1 0.2

- ·0,9

- -0,,03 0-.3 0.,",

Nuv.i.{. ':;'c' · · - •. - .. 0.1 - 0·3 0.1 · 1.4 0.1 0.1 0.,",~ ~ d a r - h u r l ! o Operator - 0.1 ,. - 0.1 .. 0.1 0.1 · 0.1 · . . 0.1 0.1~ . u m ' 9 r s · · · . ( - - 0.1 0.1 · - · - - 0 .02 0 .02

T..,tdl 0·5 0_.5, 0·3 0.5 0·5 0·5 0.8 0·4 1.2 1.2 0.6 1·4 0.6 0.8 0.5

'!leath'3r · 0.1 · 0.1 · 0·4 0.1 . 0.1 - · · 0.1 0.1 0,,02

• l'n....:!!!'L.$.tt£l!!. 0·3 · 0.2 0.1 0.1 · 0.1 0.4 0.1 0·3 · 0.2 0.1 0.1

O t h . ~ . r _

Smell F o ~ t 1 o nDitched Enroute · · 0.1 0.1 · 0.1 · - . . - - 0.05 0.02

Circled Survivors 0.2 0.1 · 0.1 · 0.1 ·- -

- · 1·4 0.03 0.1 0.°4

Unknown · 002 0.2 0.2 · 0·5 0.2 0·3 0.1 0·3 0.1 · 0.2 002 0.1Tota], 0.2 0.2 0.2 0·3 .. 0.6 002 0·3 0.1 0·3 0.1 1.4 0·3 0.2 0.2

6.6 5.1 5·2 7.7 5.8 9.2 8.3 5.6 6.9 7·4 7.5 7.0 7.0 7.6 6.0

.6 .

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•

58th Ug ...13rd ':1g 3l3th Vlg 'Uh.th i'78 315th \18 Total!!!lIt: June April M!!.Y. June b.pri1 lune Apri l 1&1 June JUn. April 'loy ...-!!!!l§.

No .. %of N % o f No. %afAi,.. :.:1r- Ai,...borne borne borne• ------

yl1rders 3 7 15 11 18 12 12 10 13 20 22 1 40 1.20 46 1.04 58 1.07alves 3 9 11 12 16 6 5 12 5 11 15 - 24 0.72 31 .70 52 0.96arbureter 3 3 1 - 1 1 1 - 1 3 3 - 3 0·°9 7 0.16 1 0,-13il Leake - - 3 - - 1 -

-- - -

-4 0.12

-•

- -etal in SUmp 1

6 2 5 11 5 7 9 - 4 10

- 7 0.21 17 0·39 36 0.67iagna'.o & Spark FlUBs 1 4 2 3 1 2 5 - 3 1 2 - 7 0>21 10 O ~ 2 3 7 O ~ 1 3Pll'lt'.X\S 15< RU18S 2 1

""2 4 - - - - 2 1 1 4 0.12 6 O.:L4 7 0013ush ROO3 2 1 2 - 1 1 2 2 1 - 3 - 4 O. lP. 4 0,°9 7 0,13Crank: Cwe Section - - > 2 -. 1 1 - - - - - 2 0 ..06 3 0.. 07Accessory Drives - - 1 - - - 1 - - - - - 1 0.03 1 0.02

011 Pw:iIp '" SUmp 4 1 - 2 2 2 - 1 - - 2 - 2 0.06 6 0·14 6 0.... .:.ocker Lrmi&_.

2 -. - 1 - -: - - 1 - - -. -. 1 0.02 3 0.06am Ii Cam Dri.ve - - - - - - - - - - - - - - - - - -rankshaft - - - -- 1 1 - 2 - - 1 - 1 0·°3 - - 4 0.07Air Detlectcr8 - - - - 1 - - - - - - - - - - - 1 0.02• Miscellaneous, Unknown 10 13"

6 10 15 8 11 10 9 11 1 29 0,87 35 0.79 46 0 ..65

TOl'LL29 47 46 45 67 49 42 47 33 51 70

3126 167

234;( OF JillIDOR.'E 3·2 3. 6 3. 5 3· 9 4.6 4·4 3. 6 3·5. 3.5 4.3 504 4.2 3.63 3.78 4.34

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• . .<I'd.,.

M P p ; , c . : r : ~ . .:.rI.T;;;'tJKCTiom CI.IJS::J:l Fl,nmm TO BOUB PRJ?,;!,.:!

-.28..1llJL'L1,by . J . i l l l ~ _ . 1 . . ~ ! ! . J ] B . . . .__

J.l.Pril JuneJl.5.t.!J._P'.6-JUr.3

TotalApril 1l!!l!

2 2 42 5

2 4 90 .2 1 0 .3 4 0.70 ,.

,4 3- - -4 3

0 .12 0 .34 0.23

, - , •4 23 4 30.32 0.34 0.23

> >

,2 >

0.16 1-41

, 2 -3 22 '5,

5 l2

'5 2') 270.45 0.66 0.50

8 '5 >41 - 39 15 17

0.27 0.34 0.31

1 3 211 6 2

'"9 4

0.36 0,.20 0"" ,

2 2 6

• - 31 2 2

1 14 5 l20.J.2 O.U 0.22

2 5 14 2 26

7 30.J.8 0.16 0.06

2 2

• 2 1l2 14 145 23 "1,>06

9'.91 2.40 ' -72

-

•'.Ill

35251.95

2

>

2

0.21 ...

2 2>3 20.32 0.17

43 6lB 21

1.9-.r 78

3 3·3

3 60.33 0.46

5 6

- -5 6

0 • .55 0..46

> - , ,> , - - - 2

2 2 4 2 > 4 >0 84 4 2 6 > . 7 3

>7 22 ,8 32 >5 28 36 3°1.86 1.69 .9 2.n 1.08 2.54 30J.0 2.22

... 8_:

Propeller

Prop Control J"Ssemb ly

Prop Govt!rnorTotal:c of Airborne

Aldl .E;;',Jt.x:· w ~ r a lFuel ' f . l · a T ' ~ ( i ; i ' · Pvlnp

T'Jtal

% 'o f .t.irborne

ED1l.1l1st Ring &: Stacks

Turbo Slpereharge.r

Total% of Airborne

Bcmb RacksBanb Bay Doors

Total

% of Airborne,

Elect r ical SystEm. General

Electric Motors.Flap .Actuator

Land in g Light5

Total

% of J.1rborne

Landina Geara ,

Ne.vlgation Instt"ulQf:ot,s

"""orothe r Meohanical

.<YrlJ.0,.,.

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Documents

XXI Bomber Command, Analysis of Failure to Bomb, June 1945