Rubuta ci gaba ga wannan sakin layi - Tsarin P-40 (Model 81A) ya kusan kama da XP-40, amma an gina shi da 1,040 hp (780 kW) V-1710-33s da.30 M1919 Browning a kowane reshe. An canza sunan kamfanin zuwa Model 81 saboda canje-canje masu yawa daga samfurin samfurin 75. Faransa, wanda ya kasance babban mai amfani da P-36, yana da sha'awar wannan mayaƙin kuma ya umarci jiragen sama 140 a matsayin Hawk 81A-1s. Duk da haka, bayan 1940 Faransa Armistice
Rundunar Sojan Sama ta Ingila ta sayi wadannan jiragen sama a matsayin Tomahawk Mk.I. Ba a yi la'akari da wannan bambance-bambancen ba don yaƙi, saboda ba su da manyan makamai da makamai, amma saboda akwai karancin jirgin saman soja mai kyau bayan yakin Birtaniya, RAF ta tura su cikin sabis don amfani da su a Arewacin Afirka.