Immelmann with the wreckage of his
fourth victory, No. 16 Sqn. Royal Aircraft
Factory B.E.2 #2033, shot down over Lille
at 3PM on Oct. 10. 1915. Observer Lt.
Thomas David Leeson suffered a light
leg wound. Pilot 2Lt. John Gay was hit
six times and later died.

Text sourced from: https://www.donhollway.com/immelmann/

Corrections made using: https://theaerodrome.com/aces/germany/immelmann.php
https://theaerodrome.com/aircraft/serial_numbers.php?pageNum_serials=255&totalRows_serials=17164&q=&sortby=3