AIRCRAFT ATTRITION RATES BY AREA

Document Type: 
Collection: 
Document Number (FOIA) /ESDN (CREST): 
CIA-RDP78S02149R000100190009-1
Release Decision: 
RIPPUB
Original Classification: 
T
Document Page Count: 
2
Document Creation Date: 
December 12, 2016
Document Release Date: 
April 16, 2002
Sequence Number: 
9
Case Number: 
Publication Date: 
June 8, 1967
Content Type: 
MEMO
File: 
AttachmentSize
PDF icon CIA-RDP78S02149R000100190009-1.pdf100.2 KB
Body: 
OS 25X1 1 Approved For R? 203E igglga 00190009-1 review(s) completed. REMORA=4 Fog Tng OZPLITY SECRETARY OF DEFENSE SUI1JECT; Aircraft Attrition Rates by Area Attrition rotes recently quoted for the heavily defended area around iionol and Haiphong halm caused comment because the area Involved wasn't stated. CIA says that attack sorties In that area hod a loss rate or .1.74 in the first four months of this year; the DM on Alternative Military Actions, dated 19 May, used a figure of one 1053 ovary 40 sorties (i.e., 2.5). Tho 4C$ reaction, I understand, that the 10$* rat is only In reply refer to; ' I-35611/67 TM 4S objection Is well -taken If the "heavily defended area" is takeh to moan all of Route Packages 5 and 6. The table using Silverman's new 4:Aci that cover 1 Oct 1966 through 31 May 1967, shows a rata of 10.4 per thousand (1.04) for RP's 5 and 6 comOlned. There has been soae condom variation but no trend, so that the figure for 1967 Mono would be a4out to same. The table shows other rates 'for comparison. Xosl Rates In pit' ) Oct 444 a" HO Arca or 1 2 3 4 5 4 out4 Wrth of ZO' RP's5-6 1967 1.94..U.'e...t Isam pss it,te,per jol 31,42'9 34 1,1 6,2(43 4 0.6 C.461 23 2.6 7,242 13 2.5 2.7 S,234. 54 15.1 70 1.4 3,000 , 11Z 8.5 103 10.8 tiva c.)nzazted CIA and learned that the area they referred to In thcir u,zaJ in earlier Studies that gave tile nugloor uscd in the DM& 15 in the circles around Hanoi and Holphon9. These two, circles contain heavy (jun cc;necntrations, and 4ra expensive to attack; 1 am_sure the ;IA , fkwaes are oik? altnou5h $ have not repeated their arithrlic. _ Johzi 34oNaushton Gopy nf ;7- Colges "JA551.5tant Secrotary of DerenIi / Pe ,/ ? .of Prep; Dr Dailey, 0A5D(SA) __145),A,06.S.,44.eq;_:*-40C1 -LC':1722,AD AT 12 TEEMAppoj . ? ? - ? 1..L1r,U-,ITI'4Ya, DOD DI R 200,1Q 50511, tcf, 3junb7 ? Rt.; file; embk; ASD(ISA); Mr Enthoven; Mr Hand 91 A ? -7 w..yg Cl-RD .4i I 'S 'VIE f4 900110A) COUi, /10e 41.15,14,61511, l'111.1M,,1141,1 . Approved For Release 2002/08/06 : CIA-RDP78S02149R000100190009-1 Copy Office of the Secretary MPX1RANDUM FOR: 7 June 1967 Appended is Dr. Bailey's "clarification of figures" memo, for note byl I et al. /s/ Frank Hand (DATE) FORM NO. 101 REPLACES FORM 10.101 1 AUG 54 ' WHICH MAY SE USED. (47) Approved For Release 2002/08/06 : CIA-RDP78S02149R000100190009-1