Kammala jumla mai zuwa: An tura shi zuwa No. 32 Squadron RFC don tashi jirgin saman Airco DH.5 mai zaman kansa, kuma ya ci nasara biyar (hudu da aka raba) tsakanin 30 ga Oktoba da 5 ga Disamba, 1917. A farkon shekarar 1918 an sake ba da jirgin sama na Tyrrell tare da jirgin saman SE.5a. A ranar 21 ga watan Maris Jamus ta kaddamar da hare-haren Spring a kan
Somme Front, kuma a ranar 7 ga Afrilu Tyrrell ya yi ikirarin cewa an harbe mayakan abokan gaba uku a kan Lamotte. A ranar 10 ga Afrilu an sanya Squadron RAF na 32 zuwa ayyukan da ke arewacin Lys Front, inda Tyrrell ya sami ƙarin nasarori biyu, a ranar 11 da 12 ga Afrilu.