Ar 68 was one of the most famous training aircraft of Luftwaffe during WWII. Its development began in the early 1930 's and resulted in two serial version Ar 68E-1 and Ar 68F-1. These aircraft were also used in combat. In the period of 1937-1938, operated the Legion Condor and Spain Grupo G-9 three Ar 68E-1 as night fighters. Arado´s proved obsolete and their further development development did´t continue. Even though the Luftwaffe deployed the remaining aircraft shortly at the beginning of WWII. The Ar 68E-1 aircraft served for several months in (Nachtjagd) JG 72 and patrolled at the German-French border. Later on Ar 68E-1 began units II./JG 2 and 5./JG 52. When was III./JG 53 rearm on Bf 109E, their 7. Staffel were renamed to 10 (Nachtjagd) JG 53 and fly with Ar 68F-1 in area Odheim-Heilbronn all winter 1939/1940. Many aircraft of both version flew in FFS (Fliegerfühererschule) during all war.
Ar 68E-1Powerplant: Jumo 210 E , inverted V-design, 12 cylinders, 507 kW (681 hp)
Propeller: 2-bladed wooden fixed pitch propeller
Wingspan: 11,00 m (36ft 1,06in)
Span of upper wing: 8,00 m (26ft 2,95in)
Length: 9,67 m (31ft 8,7in)
Height: 3,30 m (10ft 9,91in)
Wing area: 27,30 m² (293.85 sq ft)
Empty weight: 1 600 kg (3 527 lb)
Take-off Weight: 2 020 kg (4 453 lb)
Maximum speed: 335 km/h (208,159 mph) at level of the sea
Service ceiling: 8 100 m (26 575 ft)
Max. celling: 12 800 m (41 995 ft)
Time to Climb to: 10 min to 6 000 m (19 685 ft)
Range of flight: 500 km (269,978 n.m.)
Crew: 1
Production: 350
Armament: 2x 7,92mm MG 17 machine gun, 500 rounds each
6x SC 10 bombs
Ar 68F-1Powerplant: BMW VI 7.3Z, inverted V-design, 12 cylinders, maximum power output 551 kW (740 hp) at 1700 rpm
Propeller: 2-bladed wooden fixed pitch propeller
Wingspan: 11,00 m (36ft 1,06in)
Span of upper wing: 8,00 m (26ft 2,95in)
Length: 9,50 m (31ft 2,01in)
Height: 3,30 m (10ft 9,91in)
Wing area: 27,30 m² (293.85 sq ft)
Empty weight: 1 580 kg (3 483 lb)
Take-off Weight: 2 000 kg (4409 lb)
Maximum speed: 332 km/h ( 206,295 mph) at level of the sea
Service ceiling: 7 400 m (24 278 ft)
Time to Climb to: 10,2 min to 5 000 m (16 404 ft)
Range of flight: 500 km (269,978 n.m.)
Crew: 1
Production: 150
Armament: 2x 7,92mm MG 17 machine gun, 500 rounds each
6x SC 10 bombs