page_title: Berlin Blockade
section_title: Preparing for winter
hierarchical_section_title: Berlin Blockade / Winter 1948 to spring 1949 / Preparing for winter
caption_attribution_description: C-54s stand out against the snow at Wiesbaden Air Base during the Berlin Airlift in March 1949. U.S. Army photo
context_page_description: The Berlin Blockade was one of the first major international crises of the Cold War. During the multinational occupation of post–World War II Germany, the Soviet Union blocked the Western Allies' railway, road, and canal access to the sectors of Berlin under Western control. The Soviets offered to drop the blockade if the Western Allies withdrew the newly introduced Deutsche Mark from West Berlin.
  The Western Allies organised the Berlin Airlift to carry supplies to the people of West Berlin, a difficult feat given the size of the city's population.
  The Americans and British then began a joint operation in support of the entire city. Aircrews from the American, British, French, Canadian, Australian, New Zealand, and South African air forces flew over 200,000 sorties in one year, providing to the West Berliners necessities such as fuel and food, with the original plan being to lift 3,475 tons of supplies daily. By the spring of 1949, that number was often met twofold, with the peak daily delivery totalling 12,941 tons.
context_section_description: Although the early estimates were that about 4,000 to 5,000 tons per day would be needed to supply the city, this was made in the context of summer weather, when the Airlift was only expected to last a few weeks. As the operation dragged on into autumn, the situation changed considerably. The food requirements would remain the same (around 1,500 tons), but the need for additional coal to heat the city dramatically increased the total amount of cargo to be transported by an additional 6,000 tons a day.
  To maintain the Airlift under these conditions, the current system would have to be greatly expanded. Aircraft were available, and the British started adding their larger Handley Page Hastings in November, but maintaining the fleet proved to be a serious problem. Tunner looked to the Germans once again, hiring (plentiful) ex-Luftwaffe ground crews.
  Another problem was the lack of runways in Berlin to land on: two at Tempelhof and one at Gatow—neither of which was designed to support the loads the C-54s were putting on them. All of the existing runways required hundreds of labourers, who ran onto them between landings and dumped sand into the runway's Marston Mat (pierced steel planking) to soften the surface and help the planking survive. Since this system could not endure through the winter, between July and September 1948 a 6,000 ft.-long asphalt runway was constructed at Tempelhof.
  Far from ideal, with the approach being over Berlin's apartment blocks, the runway nevertheless was a major upgrade to the airport's capabilities. With it in place, the auxiliary runway was upgraded from Marston Matting to asphalt between September and October 1948. A similar upgrade program was carried out by the British at Gatow during the same period, also adding a second runway, using concrete.
  The French Air Force, meanwhile, had become involved in the First Indochina War, so it could only bring up some old Junkers Ju 52s to support its own troops and they were too small and slow to be of much help. However, France agreed to build a complete, new and larger airport in its sector on the shores of Lake Tegel. French military engineers, managing German construction crews, were able to complete the construction in under 90 days. Because of a shortage of heavy equipment, the first runway was mostly built by hand, by thousands of labourers who worked day and night.
  For the second runway at Tegel, heavy equipment was needed to level the ground, equipment that was too large and heavy to fly in on any existing cargo aircraft. The solution was to dismantle large machines and then re-assemble them. Using the five largest American C-82 Packet transports, it was possible to fly the machinery into West Berlin. This not only helped to build the airfield, but also demonstrated that the Soviet blockade could not keep anything out of Berlin. The Tegel airfield was subsequently developed into Berlin Tegel Airport.
  To improve air traffic control, which would be critical as the number of flights grew, the newly developed ground-controlled approach radar system (GCA) was flown to Europe for installation at Tempelhof, with a second set installed at Fassberg in the British Zone in West Germany. With the installation of GCA, all-weather airlift operations were assured.
  None of these efforts could fix the weather, which became the biggest problem. November and December 1948 proved to be the worst months of the airlift operation. One of the longest-lasting fogs ever experienced in Berlin blanketed the entire European continent for weeks. All too often, aircraft would make the entire flight and then be unable to land in Berlin. On 20 November 1948, 42 aircraft departed for Berlin, but only one landed there. At one point, the city had only a week's supply of coal left. However, the weather eventually improved, and more than 171,000 tons were delivered in January 1949, 152,000 tons in February, and 196,223 tons in March.
caption: C-54s stand out against the snow at Wiesbaden Air Base during the Berlin Airlift in the Winter of 1948–49
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