The first prototype was not entirely up to Luftwaffe standards; it was followed by two more development planes equipped with different engines. Following the third prototype, ten pre-production planes were built in 1937. The Hs 126 entered service in 1938 after operational evaluation with the Legion Condor contingent to the Spanish Civil War.
By the time the Hs 126 A-1 joined the Luftwaffe, the re-equipping of reconnaissance formations was already well advanced. By the start of World War II in September 1939, the Hs 126 served with Aufkl.Gr 10, 11, 12, 13, 14, 21, 23, 31, 32 und 41. They were used with great success in the attack on Poland where it proved itself as a reliable observation and liaison aircraft. Its use continued after the end of the Phony War in May 1940. It suffered some losses when intercepted by Allied fighter aircraft: 20 Hs 126s were lost between 10 and 21 May 1940.
Its successor, the Focke-Wulf Fw 189 entered service in 1940 but the Hs 126 remained the main short range reconnaissance aircraft until 1942. 47 squadrons equipped with Hs 126s participated in the invasion of the Soviet Union in 1941. The Hs 126 was also used in North Africa, such as with the 2./Aufklärungsgruppe (H)/14 which used the type until the end of 1942.
Late in the war, it was used in glider tug and night ground attack roles, but production of the Hs 126 ended in January 1941 and the type was retired from the front line in 1943.[1]
On 12 September 1943 Henschel 126s were used to tow 10 DFS 230 attack gliders from Pratica Di Mare airfield near Rome to the Gran Sasso on a raid to rescue Benito Mussolini. Mussolini had been imprisoned there after being deposed by the Grand Council of Fascism, followed by a decree from the King of Italy. The Henschel was a smaller tow plane compared the usual Junkers Ju 52 three-engine tow plane and struggled to gain altitude to clear the mountains on the way. This led to confusion when the lead Kette of three gliders turned to gain altitude allowing Otto Skorzeny's group of three gliders to assume the lead.[2]
At the outbreak of Greco-Italian War of 1940–41, the Royal Hellenic Air Force (Ellinikí Vasilikí Aeroporía, RHAF) had in service 16 Henschels, with 3 Observation Mira, under III Corps, based in Thessaloniki and Veria. Two days after the start of the war, on 30 October, there was the first air battle between Italian Regia Aeronautica and the RHAF when some Henschel Hs 126 of 3/2 Flight from 3 Observation Mira took off to locate Italian Army columns. But they were intercepted and attacked by Fiat CR.42s of 393a Squadriglia. A first Henschel was hit and crashed, killing its observer, Pilot Officer Evanghelos Giannaris, the first Greek aviator to die in the war. A second Hs 126 was downed over Mount Smolikas, killing Pilot Officer Lazaros Papamichail and Sergeant Constantine Yemenetzis.[3]
Spanish State: Spanish Air Force
Estonia