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10 Things You Never Knew About The Junkers Ju-52

The Junkers Ju 52 was an early tri-motor transport plane known primarily for its use by Germany during World War 2.

However, it was initially designed as a passenger and cargo aircraft, and it served in almost every role during the war.

From carrying civilian passengers and Nazi paratroopers, to bombs, cargo, and even minesweeping equipment, it could do almost everything.

The Ju 52, nicknamed Tante Ju (Aunt Ju), quickly became the backbone of the Luftwaffe’s transport fleet, becoming to Germany what the DC-3 was to the United States Army Air Force.

Here are 10 fast facts about Tante Ju that you probably didn’t know!

#10. Three Different Countries Manufactured the Ju 52

a ju 52 sits in front of a Lufthansa 747
A JU 52 sits in front of a Lufthansa 747. Image: Wikimedia.org

It was originally built in Germany for Deutsche Lufthansa, but production continued after the war elsewhere.

France produced the JU-52 from 1945-1947 and Spain produced it from 1945-1952.

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#9. Almost 5,000 Ju-52’s Were Built

a norwegian airlines ju 52 on floats
A Norwegian airlines Ju 52 on floats. Image: Wikipedia.org

A total of 4,845 Ju 52’s were built of all types.

Production lasted over 20 years, starting in 1931 in Germany and ending with the final Spanish built planes in 1952.

Some users of the Junkers Ju 52, most notably Norwegian Air lines, attached floats to the aircraft and used them for passenger travel.

#8. It Was Originally Built as a Single Engine Aircraft

a single engine version of the junkers ju 52
A single engine version of the Junkers Ju 52. Image: Wikimedia.org

The Ju-52 was designed to use a single engine, either a BMW IV or Junkers V-12.

The performance was disappointing, and only the first 7 prototypes were built with a single engine.

All of the subsequent Ju 52’s produced used a trio of BMW 132 air-cooled radial engines.

#7. Their BMW 132 Engines Were License Built Pratt & Whitney Engines

a pratt and whitney r 1690 hornet engine on display in a museum
A Pratt & Whitney R-1690 hornet engine on display in a museum. Image: Wikipedia.org

BMW received a license to produce the nine-cylinder P&W R-1690 Hornet engine in 1928.

Soon afterwards, they modernized and updated the design, resulting in the BMW 132, which was then fitted to the Ju-52 and several other designs.

On the Ju 52, the BMW 132 engines used a 2-bladed variable-pitch propeller and was rated at 725 horsepower each.

#6. The Ju-52 Served in Combat Before World War 2

a lufthansa ju 52
Image: Wikipedia.org

Due to its early development, the Ju 52 was widely sold overseas, and several countries used them in military conflicts before the start of WW2.

Columbia equipped several Ju 52 with floats, and used them as bombers during the Colombia-Peru war of 1932-1933.

Around the same time, Bolivia used Ju-52’s as transports during the Chaco War of 1932-1935.

It was also widely used as a bomber and transport during the Spanish Civil War starting in 1936, leading to our next fact…

#5. The Ju 52 Participated in the First Large Scale Carpet Bombing

the rubbled remains after the bombing of guernica by JU 52s
The rubble remains after the bombing of Guernica by JU-52’s. Image: Wikimedia.org

The first mass bombing of civilians by aircraft occurred during the Spanish Civil War.

18 Ju-52 bombers participated in the bombing of Guernica, a Basque town in the northern part of Spain, on April 26, 1937.

The bombing caused much controversy, resulting in war crimes accusations, and inspired Pablo Picasso to paint his famous work, Guernica.

#4. It was the Chosen Plane of Several World Leaders

hitler disembarks a junkers ju 52 in germany
Hitler disembarks a Junkers Ju 52 in Germany. Image: Flickr.com

Adolph Hitler used a Lufthansa Ju 52 during his political campaigns in 1932.

After becoming Chancellor in 1933, was provided a personal Ju-52, which he named Immelmann II, after World War 1 ace Max Immelmann.

He continued to use the Ju-52 in his personal air force until 1939, when he switched to the larger, 4-engine FW-200.

The Immelmann II remained in service as his backup transport, however.

Chiang Kai-shek also used a Ju 52 commandeered from Eurasia, a Chinese airline, as his personal transport airplane.

#3. It Participated in the First Large Scale Airborne Assault

a junkers ju 52 shot down during operation mercury
A Junkers Ju-52 shot down during operation mercury. Image: Pinterest.com

Over 500 Ju-52’s were used as transports for the German Fallschirmjager (paratroopers) during Operation Mercury, the airborne invasion of the Greek island of Crete.

Of the participating Ju-52’s, over half were shot down, and many more were damaged.

Due to heavy losses of both aircraft and troops, the operation led Germany to change their paratroop doctrine, never again employing them on a large scale.

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#2. It was the Main Supply Airplane on the Eastern Front

russian soldiers offload men and equipment from a ju 52 in Demyansk Fortress
Russian soldiers offload men and equipment from a Ju 52 in Demyansk Fortress. Image: Wikimedia.org

As the fortunes of the Wehrmacht ebbed and flowed in Russia, the Ju-52 was used to supply troops cut off during the fierce Soviet counterattacks.

Often, groups of soldiers were surrounded, resulting in “pockets” of resistance, relying on the air transport provided by the Ju-52 to supply them.

The Demyansk Pocket, from Feb. 8 to April 21, 1942, was the most successful use of air transport to supply troops that were cut-off, but they were not as successful in supplying Stalingrad nearly a year later.

#1. Less Than 200 Ju-52’s Survived World War 2

one of the few remaining airworthy Junkers Ju 52s left in operation
One of the few remaining airworthy Junkers Ju 52s left in operation. Image: Wikipedia.org

From 1939-1944, 2,804 Ju-52’s were produced for the military.

Due to the slow speed and lack of armor, the Ju-52 was vulnerable to fighter interception and anti-aircraft fire.

This resulted in less than 200 Ju-52’s that the Luftwaffe had left when Nazi Germany surrendered.

Junkers Ju 52

Junkers Ju 52

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See 10 fast facts about the Junkers Ju 52, an airplane with a very rich history. It was most commonly used by the Germans, but other countries found it useful as well.
Joel N.
Joel N.
A former owner of a Cessna 350 and a current partner in a C177 Cardinal, Joel is a private pilot with 380 hours. His writings have been featured on sites such as Good Men Project and Plane and Pilot magazine, to name a few. Joel holds a degree in Aerospace Engineering, and his interests include space, aviation history, and astronomy.

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