BRIEFING FILE

Our new bi-monthly series, examining in depth an aspect of aviation technology or tactics. This time we look at the RAF’s Oboe bombing aid, a vital tool for Bomber Command OBOE The components of the Oboe system Two widely-separated transmitters: one codenamed ‘Cat’, one ‘Mouse An aircraft: generally a Mosquito, equipped with a transponder and armed with target indicators (TIs) The system’s operation 1 The ‘Cat’ transmits a signal which is returned by the aircraft’s transponder 2 Timing the signal’s