Kutscha was born on 24 April 1917 in Ratibor, present-day Racibórz in southern Poland, at the time in the Province of Silesia of the Kingdom of Prussia.

He claimed his first victory during the "Phoney War" by shooting down a Royal Air Force (RAF) Vickers Wellington bomber on 14 December 1939.

99 Squadron were on a mission to attack the Kriegsmarine cruisers Nürnberg and Leipzig which were returning to port after they were hit by torpedoes fired from the Royal Navy submarine HMS Salmon the day before.

Gruppe of JG 3, under the command of Hauptmann Franz Beyer, was created by spawning elements of I., II.

[6] The Gruppe was equipped with the Messerschmitt Bf 109 G-6 and was sent to southern Italy to fight in the Mediterranean front.

[10] In total, five Gruppen were withdrawn from other theaters of operations and redeployed to Defense of the Reich in August and September 1943.

[11] At Neubiberg, the Gruppe received a new complement of Bf 109 G-6 aircraft while the pilots were trained in formation flying and tactics in fighting the combat box, a tactical formation used by heavy bombers of the United States Army Air Forces (USAAF).

Before this order was executed, on 19 December, the Fifteenth Air Force attacked railroading targets at Innsbruck and the Messerschmitt factories at Augsburg.

[13] On 24 February 1944, during Big Week, Kutscha was shot down in his Bf 109 G-6 (Werknummer 411048—factory number) by a Republic P-47 Thunderbolt in aerial combat near Quakenbrück.

[14] In July 1944, he returned to the front in Normandy and succeeded Leutnant Franz Ruhl as Staffelkapitän of 4.

[17] Kutscha did not convert to the Me 262, he was transferred to Jagdgeschwader 27 (JG 27—27th Fighter Wing) and appointed Staffelkapitän of the 15.

[19] On 25 December 1944, during the Ardennes offensive, Kutscha claimed two North American P-51 Mustang fighters shot down west of the Nürburgring.

[20] Kutscha was shot down and slightly wounded 30 kilometres (19 miles) west of Bad Neuenahr in his Bf 109 G-10 (Werknummer 490664).

Gruppe of Jagdgeschwader 11 (JG 11—11th Fighter Wing), succeeding Oberleutnant Paul-Heinrich Dähne, who was transferred.

He was credited with 47 victories in air combat—44 of which were on the Western Front (at least six were four-engine bombers)—plus at least 44 aircraft destroyed on the ground.

He successfully targeted dozens of different objectives, including 41 tanks, 15 locomotives, 11 artillery positions, and 157 vehicles.