Death in the Skies | In WW1, April of 1917 was known as Bloody April. During this time, the defensive and reconnaissance strategy of the Royal Air Force met with the offensive, The Deutsche Luftstreitkräfte. The Germans came out on top. In Bloody April, the life span of a British Pilot went from 295 flight hours to 92 flight hours. During this disastrous month, the British lost 245 aircraft, 211 aircrew were killed or missing, and 108 were taken as prisoners of war.