Douglas DC-4
Encyclopedia
The Douglas DC-4 is a four-engined propeller-driven airliner
Airliner
An airliner is a large fixed-wing aircraft for transporting passengers and cargo. Such aircraft are operated by airlines. Although the definition of an airliner can vary from country to country, an airliner is typically defined as an aircraft intended for carrying multiple passengers in commercial...

 developed by the Douglas Aircraft Company
Douglas Aircraft Company
The Douglas Aircraft Company was an American aerospace manufacturer, based in Long Beach, California. It was founded in 1921 by Donald Wills Douglas, Sr. and later merged with McDonnell Aircraft in 1967 to form McDonnell Douglas...

. It served during World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, in the Berlin Airlift and into the 1960s in a military role. From 1945, many civil airlines operated it worldwide.

Design and development

The designation DC-4 was first used by Douglas Aircraft Company when developing a large, four-engined type to complement its very successful DC-3, already in widespread operation. It was intended to fulfil United Airlines
United Airlines
United Air Lines, Inc., is the world's largest airline with 86,852 employees United Air Lines, Inc., is the world's largest airline with 86,852 employees United Air Lines, Inc., is the world's largest airline with 86,852 employees (which includes the entire holding company United Continental...

' requirement for a long-range passenger airliner. Retrospectively this aircraft became known as the DC-4E (E for experimental). Only one was built, a 42-passenger airliner with a fuselage
Fuselage
The fuselage is an aircraft's main body section that holds crew and passengers or cargo. In single-engine aircraft it will usually contain an engine, although in some amphibious aircraft the single engine is mounted on a pylon attached to the fuselage which in turn is used as a floating hull...

 of unusually wide cross-section for its day and a triple fin tail unit
Empennage
The empennage , also known as the tail or tail assembly, of most aircraft gives stability to the aircraft, in a similar way to the feathers on an arrow...

, similar to that later used by Lockheed
Lockheed Corporation
The Lockheed Corporation was an American aerospace company. Lockheed was founded in 1912 and later merged with Martin Marietta to form Lockheed Martin in 1995.-Origins:...

 on its Constellation
Lockheed Constellation
The Lockheed Constellation was a propeller-driven airliner powered by four 18-cylinder radial Wright R-3350 engines. It was built by Lockheed between 1943 and 1958 at its Burbank, California, USA, facility. A total of 856 aircraft were produced in numerous models, all distinguished by a...

. Despite its designation, the later C-54/DC-4 airliner was a smaller aircraft with little connection to the DC-4E.

The DC-4's tricycle landing gear allowed its fuselage to be constant cross-section for most of its length, so it could be easily stretched into the later DC-6
Douglas DC-6
The Douglas DC-6 is a piston-powered airliner and transport aircraft built by the Douglas Aircraft Company from 1946 to 1958. Originally intended as a military transport near the end of World War II, it was reworked after the war to compete with the Lockheed Constellation in the long-range...

and DC-7
Douglas DC-7
The Douglas DC-7 is an American transport aircraft built by the Douglas Aircraft Company from 1953 to 1958. It was the last major piston engine powered transport made by Douglas, coming just a few years before the advent of jet aircraft such as the Boeing 707 and Douglas DC-8.-Design and...

. A total of 1,163 C-54/R5Ds were built for the United States military services between 1942 and January 1946.

Operational history

The DC-4/C-54 proved a popular and reliable type, 1245 being built between May 1942 and August 1947, including 79 postwar DC-4s. Several remain in service as of 2011. An example is Buffalo Airways
Buffalo Airways
Buffalo Airways is a family-run airline based in Hay River, Northwest Territories, Canada established in 1970 by Joe McBryan, also known as "Buffalo Joe". It operates scheduled passenger, scheduled cargo, charter passenger, charter cargo, firefighting and fuel services...

 of Yellowknife, Northwest Territories
Yellowknife, Northwest Territories
Yellowknife is the capital and largest city of the Northwest Territories , Canada. It is located on the northern shore of Great Slave Lake, approximately south of the Arctic Circle, on the west side of Yellowknife Bay near the outlet of the Yellowknife River...

.

The DC-4E first flew on June 7, 1938, piloted by Benny Howard
Benjamin (Ben) Howard
Benjamin Odell Howard , was an aviator and aeronautical engineer from the United States, whose aircraft won the Bendix Trophy and the Thompson Trophy in 1935.-History:...

 and was used by United Air Lines for test flights. The type proved to be ahead of its time: it was complicated to maintain and uneconomical to operate. The sponsoring airlines, Eastern
Eastern Air Lines
Eastern Air Lines was a major United States airline that existed from 1926 to 1991. Before its dissolution it was headquartered at Miami International Airport in unincorporated Miami-Dade County, Florida.-History:...

 and United, decided to ask instead for a smaller and simpler derivative, but before the definitive DC-4 could enter service the outbreak of World War II meant production was channeled to the United States Army Air Forces
United States Army Air Forces
The United States Army Air Forces was the military aviation arm of the United States of America during and immediately after World War II, and the direct predecessor of the United States Air Force....

 and the type was given the military designation C-54 Skymaster
C-54 Skymaster
The Douglas C-54 Skymaster was a four-engined transport aircraft used by the United States Army Air Forces and British forces in World War II and the Korean War. Besides transport of cargo, it also carried presidents, British heads of government, and military staff...

. Additional versions used by the US Navy
United States Navy
The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 were designated R5D. The first aircraft, a C-54, flew from Clover Field in Santa Monica, California
Santa Monica, California
Santa Monica is a beachfront city in western Los Angeles County, California, US. Situated on Santa Monica Bay, it is surrounded on three sides by the city of Los Angeles — Pacific Palisades on the northwest, Brentwood on the north, West Los Angeles on the northeast, Mar Vista on the east, and...

 on February 14, 1942.

Douglas continued to develop the type during the war in preparation for a return to airline services when peace returned. However, the type's sales prospects withered when 500 wartime C-54s and R5Ds came onto the civil market, many of which were converted into civilian versions by Douglas. DC-4s were a favorite of charter airlines such as Great Lakes Airlines, North American Airlines, Universal Airlines and Transocean Airlines. In the 1950s Transocean Airlines (Oakland, California) was the largest civil operator of the C-54/DC-4.
Douglas produced 79 new-build DC-4s between January 1946 and cessation of production on August 9, 1947. Pressurization
Cabin pressurization
Cabin pressurization is the pumping of compressed air into an aircraft cabin to maintain a safe and comfortable environment for crew and passengers when flying at altitude.-Need for cabin pressurization:...

 was available as an option, but all civilian DC-4s (and C-54s) were built unpressurized. Purchasers of the new build aircraft included National Airlines
National Airlines (NA)
National Airlines was an airline founded in 1934 and was headquartered on the grounds of Miami International Airport in unincorporated Miami-Dade County, Florida, United States near Miami.- History :...

, Northwest Airlines
Northwest Airlines
Northwest Airlines, Inc. was a major United States airline founded in 1926 and absorbed into Delta Air Lines by a merger approved on October 29, 2008, making Delta the largest airline in the world...

 and Western Airlines
Western Airlines
Western Airlines was a large airline based in California, with operations throughout the Western United States, and hubs at Los Angeles International Airport, Salt Lake City International Airport, and the former Stapleton International Airport in Denver...

 in the USA and KLM Royal Dutch Air Lines, Scandinavian Airlines System
Scandinavian Airlines System
Scandinavian Airlines or SAS, previously Scandinavian Airlines System, is the flag carrier of Denmark, Norway and Sweden, and the largest airline in Scandinavia....

, Sabena
Sabena
SABENA was the national airline of Belgium from 1923 to 2001, with its base at Brussels National Airport. After its bankruptcy in 2001, the newly formed SN Brussels Airlines took over part of SABENA's assets in February 2002, which then became Brussels Airlines...

 Belgian World Airlines, Avianca
Avianca
Avianca S.A. is the flag carrier airline of Colombia since December 5, 1919 when it was initially registered under the name SCADTA. It is headquartered in Bogotá, D.C. with its hub at the El Dorado International Airport...

 and South African Airways
South African Airways
South African Airways is the national flag carrier and largest airline of South Africa, with headquarters in Airways Park on the grounds of OR Tambo International Airport in Kempton Park, Ekurhuleni, Gauteng. The airline flies to 36 destinations worldwide from its hub at OR Tambo International...

 in overseas markets.

Variants

  • DC-4-1009 Postwar passenger model. This civil model could carry up to 86 passengers.
  • DC-4-1037 Postwar freight model.

Derivatives

  • DC4M North Star
    Canadair North Star
    The Canadair North Star was a 1940s Canadian development of the Douglas C-54 / DC-4 aircraft. Instead of radial piston engines found on the Douglas design, Canadair employed Rolls-Royce Merlin engines in order to achieve a 35 mph faster cruising speed. The prototype flew on 15 July 1946 and...

    - 71 DC-4s were built by Canadair
    Canadair
    Canadair Ltd. was a civil and military aircraft manufacturer in Canada. It was a subsidiary of other aircraft manufacturers, then a nationalized corporation until privatized in 1986, and became the core of Bombardier Aerospace....

     under the designations North Star, DC-4M, C-4, and C-5. With the exception of the single C-5, these were all powered by Rolls-Royce Merlin
    Rolls-Royce Merlin
    The Rolls-Royce Merlin is a British liquid-cooled, V-12, piston aero engine, of 27-litre capacity. Rolls-Royce Limited designed and built the engine which was initially known as the PV-12: the PV-12 became known as the Merlin following the company convention of naming its piston aero engines after...

     engines and 51 of them were pressurized. The Royal Canadian Air Force
    Royal Canadian Air Force
    The history of the Royal Canadian Air Force begins in 1920, when the air force was created as the Canadian Air Force . In 1924 the CAF was renamed the Royal Canadian Air Force and granted royal sanction by King George V. The RCAF existed as an independent service until 1968...

    , Trans-Canada Air Lines
    Trans-Canada Air Lines
    Trans-Canada Air Lines was a Canadian airline and operated as the country's flag carrier. Its corporate headquarters were in Montreal, Quebec...

    , Canadian Pacific Air Lines and BOAC
    Boac
    Boac may refer to:* Boac, Marinduque, a municipality in the Southern Philippines* Boac , an American rapper* British Overseas Airways Corporation, a former British state-owned airline...

     operated these aircraft, the latter under the type name "Argonaut".

  • Aviation Traders Carvair
    Aviation Traders Carvair
    The Aviation Traders ATL-98 Carvair was a large piston-engine transport aircraft. It was a Douglas DC-4-based air ferry developed by Freddie Laker's Aviation Traders Limited , with a capacity of 25 passengers and five cars, loaded at the front.-Design and development:Freddie Laker's idea to...

    - Starting in 1959, 21 DC-4s and C-54s found new life as ATL-98 Carvairs. The Carvair was designed to carry 22 passengers and five automobiles. This was accomplished by extending the fuselage, moving the cockpit above the fuselage, adding a side-opening nose, and enlarging the vertical stabilizer
    Vertical stabilizer
    The vertical stabilizers, vertical stabilisers, or fins, of aircraft, missiles or bombs are typically found on the aft end of the fuselage or body, and are intended to reduce aerodynamic side slip. It is analogical to a skeg on boats and ships.On aircraft, vertical stabilizers generally point upwards...

     to offset the larger forward fuselage. These aircraft served as flying ferries well into the 1970s, and two are still airworthy as of March 2008 - one each in Texas and South Africa.

Notable appearances in media

The DC-4 featured extensively in the 1954 John Wayne
John Wayne
Marion Mitchell Morrison , better known by his stage name John Wayne, was an American film actor, director and producer. He epitomized rugged masculinity and became an enduring American icon. He is famous for his distinctive calm voice, walk, and height...

 motion picture The High and the Mighty (film)
The High and the Mighty (film)
The High and the Mighty is a 1954 American "disaster" film directed by William A. Wellman and written by Ernest K. Gann who also wrote the novel on which his screenplay was based. The film's cast was headlined by John Wayne, who was also the project's co-producer...

.

Operators

Following the end of military production of the C-54 Douglas produced the DC-4-1009 for the civilian market. The following are the original operators:

  • Australian National Airways
    Australian National Airways
    Australian National Airways was Australia's predominant carrier from the mid-1930s to the early 1950s.-The Holyman Airways Period:On 19 March 1932 Flinders Island Airways began a regular aerial service using the Desoutter Mk.II VH-UEE Miss Launceston between Launceston, Tasmania and Flinders...

  • Trans Australian Airlines

  • SABENA
    Sabena
    SABENA was the national airline of Belgium from 1923 to 2001, with its base at Brussels National Airport. After its bankruptcy in 2001, the newly formed SN Brussels Airlines took over part of SABENA's assets in February 2002, which then became Brussels Airlines...


  • Det Norske Luftfartsselskap (DNL)

  • Air France
    Air France
    Air France , stylised as AIRFRANCE, is the French flag carrier headquartered in Tremblay-en-France, , and is one of the world's largest airlines. It is a subsidiary of the Air France-KLM Group and a founding member of the SkyTeam global airline alliance...


 Netherlands
  • KLM

 South Africa
  • South African Airways
    South African Airways
    South African Airways is the national flag carrier and largest airline of South Africa, with headquarters in Airways Park on the grounds of OR Tambo International Airport in Kempton Park, Ekurhuleni, Gauteng. The airline flies to 36 destinations worldwide from its hub at OR Tambo International...


 Spain
  • Iberia
    Iberia
    The name Iberia refers to three historical regions of the old world:* Iberian Peninsula, in Southwest Europe, location of modern-day Portugal and Spain** Prehistoric Iberia...


 Sweden
  • Scandinavian Airlines
  • Svensk Interkontinental Lufttrafik
    Svensk Interkontinental Lufttrafik
    Svensk Interkontinental Lufttrafik AB, SILA, Swedish Intercontinental Airlines, was an airline and is today a part of the SAS Group.SILA was established in 1943 under the name Svensk Interkontinental Lufttrafik AB by the Wallenberg family to start a flight between Sweden and England. The first CEO...


  • ARAMCO
  • National Airlines
    National Airlines
    National Airlines was used by several airlines including:*National Airlines based in the United States.*National Airlines based in the United States.*National Airlines based in the United States....

  • Northwest Airlines
    Northwest Airlines
    Northwest Airlines, Inc. was a major United States airline founded in 1926 and absorbed into Delta Air Lines by a merger approved on October 29, 2008, making Delta the largest airline in the world...

  • Waterman Airlines
  • Western Airlines
    Western Airlines
    Western Airlines was a large airline based in California, with operations throughout the Western United States, and hubs at Los Angeles International Airport, Salt Lake City International Airport, and the former Stapleton International Airport in Denver...


Accidents and incidents

On November 1, 1949, an Eastern Air Lines
Eastern Air Lines
Eastern Air Lines was a major United States airline that existed from 1926 to 1991. Before its dissolution it was headquartered at Miami International Airport in unincorporated Miami-Dade County, Florida.-History:...

 DC-4 was struck and cut in half by a Lockheed P-38 Lightning while approaching Washington National Airport, falling into and around the Potomac River
Potomac River
The Potomac River flows into the Chesapeake Bay, located along the mid-Atlantic coast of the United States. The river is approximately long, with a drainage area of about 14,700 square miles...

, killing all 51 passengers and the four crew. At the time it was the deadliest airliner incident in United States history.
On June 23, 1950, a Northwest Orient Airlines DC-4 disappeared over Lake Michigan
Lake Michigan
Lake Michigan is one of the five Great Lakes of North America and the only one located entirely within the United States. It is the second largest of the Great Lakes by volume and the third largest by surface area, after Lake Superior and Lake Huron...

 en route from New York City
New York City
New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

 to Seattle. Light debris, upholstery, and human body fragments were found floating in the lake, but the airframe and identifiable remains of the 55 passengers and three crew have never been located, and the cause of the accident is still unknown.
On June 26, 1950 a DC-4 operated by Australian National Airways
Australian National Airways
Australian National Airways was Australia's predominant carrier from the mid-1930s to the early 1950s.-The Holyman Airways Period:On 19 March 1932 Flinders Island Airways began a regular aerial service using the Desoutter Mk.II VH-UEE Miss Launceston between Launceston, Tasmania and Flinders...

 departed Perth, Western Australia
Perth, Western Australia
Perth is the capital and largest city of the Australian state of Western Australia and the fourth most populous city in Australia. The Perth metropolitan area has an estimated population of almost 1,700,000....

 and crashed 19 minutes later near York, Western Australia
York, Western Australia
York is the oldest inland town in Western Australia, situated 97 km east of Perth in the Avon Valley near Northam, and is the seat of the Shire of York...

. 28 occupants were killed in the impact but one passenger survived the crash. The survivor died five days later in a Perth hospital. The cause of the crash remains unclear. The aircraft was registered VH-ANA and named Amana.
On July 21, 1951, a Canadian Pacific Air Lines (registration CF-CPC) disappeared (probably while flying over Alaska
Alaska
Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...

 on a flight from Tokyo
Tokyo
, ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...

, Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 to Vancouver
Vancouver
Vancouver is a coastal seaport city on the mainland of British Columbia, Canada. It is the hub of Greater Vancouver, which, with over 2.3 million residents, is the third most populous metropolitan area in the country,...

, Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

. No trace of the aircraft or of its 31 passengers and six crew has ever been found. The cause of the accident remains undetermined.

On February 1, 1958: a Lóide Aéreo Nacional
Lóide Aéreo Nacional
Lóide Aéreo Nacional S/A was a Brazilian airline founded in 1947. In 1962 it was incorporated by VASP.-History:On December 22, 1947, Ruy Vacani founded the airline TCA – Transportes Carga Aérea S.A. in Anápolis, State of Goiás, Brazil, an airline specialized in transportation of cargo...

 Douglas DC-4 registration PP-LEM, experienced a failure of engine no. 4 during a night takeoff from Rio de Janeiro-Santos Dumont. The takeoff was aborted and 100 m before the end of the runway, a tire from the landing gear burst, causing the aircraft to run off the side of the runway and burst into flames. Of the 72 passengers and crew aboard, five died.

On March 9, 1969 N3821 a DC-4 operated by Continental Air Transport disappeared on a cargo flight over the North Atlantic from Halifax International Airport to Santa Maria Airport (Azores)
Santa Maria Airport (Azores)
Santa Maria Airport is an airport on Santa Maria Island, in the autonomous region of the Azores, Portugal, serving the municipality of Vila do Porto, within the archipelago and to the continent...

; three crew were lost in the accident.

On January 10, 1974, TAM-52 a DC-4 operated by Transporte Aéreo Militar (the civil air service of the Bolivian Air Force
Bolivian Air Force
The Bolivian Air Force is part of the Military of Bolivia.-History:By 1938 the Bolivian air force consisted of about 60 aircraft , and about 300 staff; the officers were...

) went missing on a non-scheduled passenger flight from Santa Rosa de Yacuma Airport (IATA: SRB, ICAO: SLSR) (14°3′58"S 66°47′12"W) to El Alto International Airport
El Alto International Airport
El Alto International Airport is an international airport located south west of La Paz, La Paz Department, Bolivia.The airport is located in the city of El Alto and has served since the first half of the 20th century, but was modernized in the late 1960s, when its runway was lengthened and a new...

, La Paz
La Paz
Nuestra Señora de La Paz is the administrative capital of Bolivia, as well as the departmental capital of the La Paz Department, and the second largest city in the country after Santa Cruz de la Sierra...

. No trace was found of the aircraft, its 3 crew and twenty-one passengers.

Survivors

Very few DC-4s remain in service today. The last three passenger DC-4s believed to be operating worldwide are all based in Johannesburg, South Africa. Two fly old South African Airways
South African Airways
South African Airways is the national flag carrier and largest airline of South Africa, with headquarters in Airways Park on the grounds of OR Tambo International Airport in Kempton Park, Ekurhuleni, Gauteng. The airline flies to 36 destinations worldwide from its hub at OR Tambo International...

 (SAA) colors. They are ZS-AUB "Outeniqua" and ZS-BMH "Lebombo" and are owned by the South African Airways Museum Society and operated by Skyclass Aviation, a company specializing in classic airliner charters to exotic destinations in Africa. The other Skymaster is ZS-AUA "Tafelberg" which is also operated by Skyclass Aviation but is leased from the Dutch Dakota Association
Dutch Dakota Association
The Dutch Dakota Association or DDA Classic Airlines, known by many just as the DDA, is a small foundation dedicated to the preservation and operation of classic aircraft, especially the Douglas DC-3 Dakota...

.

A 1944 built DC4 is currently being restored in NSW, Australia.

Specifications (DC-4-1009)

See also

External links

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