RAF Bomber Command | The Sabre Squadron | RAF Sculthorpe | RAF Northolt | RAF Coastal Command | No. 33 Squadron RAF | No. 263 Squadron RAF | RAF Ringway | RAF Lakenheath | RAF Brize Norton | squadron | RAF Leuchars | Pacific Squadron | RAF Mount Pleasant | RAF Mildenhall | RAF Greenham Common | RAF Fighter Command | No. 45 Squadron RAF | No. 127 Squadron RAF | RAF Wyton | RAF Welford | RAF Valley | RAF Tangmere | RAF Search and Rescue Force | RAF Molesworth | RAF Lossiemouth | RAF Leeming | RAF Honington | RAF Coningsby | RAF Alconbury |
Among them was a Royal Air Force (RAF) Avro Lancaster from No. 57 Squadron piloted by Pilot Officer Jan Bernand Marinus Haye on a mission to bomb the Škoda Works at Plzeň.
A combat with No. 57 Squadron RFC Royal Aircraft Factory FE.2d's over Neuville on 2 April 1917 resulted in Festner claiming a FE-2d(Lt. H.P. Sworder KIA & 2/Lt. A.H. Margoliouth,POW).