Polish Air Force
Design and development
The Albatros J.I was a "J-class" derivative of the Albatros C.XII reconnaissance aircraft. The J.I utilized the wings and tail of the C.XII, which were joined to a new slab-sided fuselage. The crew compartment was protected by 490 kg (1,080 lb) of steel armor plate, while the engine was left unprotected. The sides and bottom were 5 mm thick chrome nickel steel plate that was bolted to the wood frame.
Power was provided by the 150 kW (200 hp) Benz Bz.IV, which gave marginal performance when combined with the heavy J.I airframe. The fixed 7.92 mm (.312 in) machine guns fired downward to facilitate strafing ground targets.
The Albatros J.I was developed for low-altitude battlefield reconnaissance and ground-attack missions, often at altitudes of 50 meters (150 feet) or less. Albatros J.Is were mainly issued to Flieger Abteilungen in support of the Army Corps or Army Headquarters.
German units began receiving the J.Is in April 1918 and they were first used in the Battle of the Lys. The aircraft was popular with crews, due to the armor protection and good visibility of the low set engine. Operationally a success, the main drawback of the type was the inadequate armor.
By June 1918, the new Albatros J.II started to replace J.I at the front. The older aircraft nevertheless served until the Armistice. Two were bought by Austria-Hungary. After the war, it was still operated by Poland, Norway, Ukraine. Poland was the largest post-war user of the type, operating 10 aircraft, which were captured during Greater Poland Uprising (1918–19). They were used during Polish-Soviet war, and four aircraft were lent by the Polish from September 1920 until February 1921 to an allied 1st Zaporizhska Aviation Escadrille of Ukrainian People's Army.
- Polish Air Force operated 10 aircraft postwar until 1921
- Ukrainian People's Army operated 4 aircraft, lent by the Polish
- Crew: two, pilot and observer
- Length: 8.80 m (28 ft 10 in)
- Wingspan: 14.14 m (46 ft 5 in)
- Height: 3.37 m (11 ft 1 in)
- Wing area: 43.0 m2 (463 ft2)
- Empty weight: 1,398 kg (3,082 lb)
- Gross weight: 1,808 kg (3,986 lb)
- Powerplant: 1 × Benz Bz.IV, 150 kW (200 hp)
- Maximum speed: 140 km/h (90 mph)
- Range: 350 km (220 miles)
- Service ceiling: 4,500 m (14,800 ft)
- Rate of climb: 2 m/s (400 ft/min)
- 2 × 7.92 mm (.312 in) Spandau LMG 08/15 machine guns, fixed downward
- 1 × 7.92 mm (.312 in) Parabellum MG14 machine gun for observer
Aircraft of comparable role, configuration and era
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- Morgała (1997), p. 30