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Old 12th May 2011, 02:22
rlapes rlapes is offline
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Need help with Loss Card - Special Equipment

Hi folk
As part of my research into the raid on Frankfurt am Main 22 March 1944 I am analysing the loss cards for the 33 a/c lost that night.

I have two main issues:
Limited knowledge of special equipment
Difficulty in reading the cursive script

So I thought I'd ask for help.
I tried to attach an example problem loss card - but the manage attachments pop-up window froze.

SAA - what is this?
IFF - Identification Friend or Foe
Gee - sometimes seen a "TR1335 Gee" - radio navigation system
Galto?/Astis? - I cannot decipher this - what is it?
Monica - radar to provide some early warning of night fighters behind and below
A.P.I. - Air Position Indicator - Analogue Lat & Long navigation device

Other examples I cannot decipher or do not know what they are:
A.R.I. 5085
5560
SPI Gee
Nav and 'Y'
Gee and 'Y'
RFU35?
GTI or CTI?

From my initial analysis I know that at least 26 out of the 33 a/c were shot down by night fighters. Of those 18 have Monica, Fishpond and or Boozer.
The remaining either did not have or did not record any special equipment.

(Help or hindrance? Perhaps a topic for another thread - I wonder how many others avoided night fighters by using the equipment)

Many thanks
Robert
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Old 12th May 2011, 20:25
Kaczmarek Kaczmarek is offline
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Re: Need help with Loss Card - Special Equipment

Hi,

A.R.I. 5083 = Gee Mk II
A.R.I. 5560 = H2S Mk II
RFU35 = Radio Frequency Unit type 35
GTI = Green Target Indicator

Kaczmarek
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Old 13th May 2011, 15:33
rlapes rlapes is offline
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Re: Need help with Loss Card - Special Equipment

Thanks Kaczmarek

A bit more searching around Radio Frequency Unit lead me to:
Duxford Radio Society. The page is about R1355 Gee Airborne Navigation Receiver and has a snippet saying:
Quote:
The RF section of the R1355 is provided by a plug-in RF unit, type RF24, RF25, RF26 or RF27, each covering a different frequency range to avoid interference from enemy radio countermeasures.
I wonder if this is what the RFU37 is?

GTI or CTI might be GPI as I found a reference to Ground Position Indicator
I do not think it is Green Target Indicator as these are shown in the bomb load section rather then SPEC. EQIP. section of the form.

Looking again it is mentioned once after H2S so in this context could it be Ground Target Indicator?

The other context is in this list of Spec. Equip. if from a 97 Sqn PFF:
ARI 5085
H2S 5025
A.P.I 5153
5560
Fishpond
G.P.I Gee (The first letter of GPI is not clear. So it could be 5.P.I or S.P.I)
MK XIV B/S

Thanks for your help folks.
Robert
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