|Role||Single seat fighter/Fighter-bomber|
|First flight||January 1939|
|Manufacturer|| Messerschmitt AG|
(Fomerly Bayerische Flugzeugwerke)
|Operators||Bulgaria, Croatia, Finland, Germany (Luftwaffe), Hungary, Italy (ASRI), Japan, Romania, Slovakia, Slovak (CB Insurgent), Soviet Union, Spain, Switzerland, Yugoslavia|
|Length||28ft 4in (8.64m)|
|Wingspan||32ft 4 1/2in (9.87m)|
|Height||7ft 5 1/2in (2.28m)|
|Empty||4,189lb (1,900kg) to 4,421lb|
|Loaded||5,523lb (2,505kg) to 5,875lb (2,665kg)|
|Engine||One - (a) DB 601A, (b) DB 601N or (c) DB 601E|
|Power (each)||(a) 1,100hp, (b) 1,200hp or (c) 1,300hp|
|Internal Fuel||One fuselage tank - 88 Imp Gal.|
|Maximum speed||348 to 354mph (560 to 570km/h)|
|Range||365 to 460 miles|
|Ceiling||34,450ft (10,500m) to 36,090ft (11,000m)|
|Rate of climb||3,100 to 3,280ft per minute|
|Guns|| (Early E-1) Four MG 17 plus four 110lb (50kg) or one 551lb (250kg) bomb|
(Later E-1 and most E) Two MG 17 with 1,000rpg (or two MG 17 with 500rpg and 20MG FF firing through prop hub) and two MG FF (Drum) in wings with 60rpg.
The Bf-109E (Emil) was the standard version of the Bf-109 used by the Luftwaffe during the period covered by Piece of Cake.
During the September 1940 that forms the finale of Piece of Cake, Moggy's aircraft is mistaken for a Bf-109 by a pilot from another unit.