Re: Operational Record Books at Group Level
I have some of 18. Group Coastal Command ORBs (monthly). These ORBs are very extensive, and contain approx 1000 pages per month. All operations carried out are summarized day by day. This include details on aircraft (i.e. Liberator H/547 + crew), TO and landing times, operational areas (positions) and result of sorties. VERY useful to get the big picture (operations only)....
If you compare these ORBs (AIR25) with those from squadrons (AIR27), stations (AIR28), combat reports (AIR50) and interpretation reports (AIR34), you get loads of details. AIR27 and AIR50 are available as microfilm.
Consider the discussion elsewhere on this board regarding individual statements from former pilots (facts or fairytales), these should be consistent with info found in the various ORBs.
The websites of TNA are probably the best in the world of archives, and you should be able to perform a search in the catalogue on Barrage Balloon Units (i.e. check out AVIA15/360).
Kjetil
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