The Martin 4-0-4 is an American pressurized passenger airliner built by the Glenn L. Martin Company. In addition to airline use initially in the United States, it was used by the United States Coast Guard and United States Navy as the RM-1G (later as the VC-3A).

The Martin 4-0-4 is fitted with two Pratt and Whitney R-2800-CB16 eighteen cylinder two-row air-cooled radial engine with 2,400 horsepower of takeoff thrust each and 1,800 horsepower for normal thrust. The engine drives a three-bladed Hamilton Standard 2H17K3-48R propeller.

Our Martin 404, serial number 14142, was delivered to Eastern Airlines in February, 1952. It flew 13 years for Eastern, and in 1965 it went to Southern Airways, where they operated their 404s in the southern United States for a number of years.

Oct 22, 2022 · In 1950, the Glenn L. Martin Company introduced a twin-engine short-/medium-haul aircraft, the Martin 4-0-4. The Martin 4-0-4 aircraft had a conventional design with a cantilevered tail section and a single vertical stabilizer. The aircraft could accommodate a total of 40 passengers, with a maximum takeoff weight of 44,900 lb (20,336 kg).

The Martin 4-O-4 was the first truly “modern” airliner with a pressurized cabin. Designed to be a replacement for the Douglas DC-3, the Martin Skyliner was the first post-war airliner design to reach production.

Aircraft – Martin 404 With the unfortunate experience gained with the 202’s introduction at Northwest, Martin developed a much-upgraded replacement in the early 1950s in the form of the Model 4-0-4 (which we and many abbreviate to just 404.)

Born from the failures of the Martin 2-0-2, the Glenn L. Martin Company built the successor Martin 4-0-4, a pressurized 40 passenger airliner. The Glenn L. Martin Company built a total of 103 of these aircraft, starting in 1951 with deliveries mainly to TWA and Eastern Airlines.

Aug 22, 2020 · The Martin 4-0-4 was an American pressurized passenger airliner built by the Glenn L. Martin Company. In addition to airline use initially in the United States, it was used by the United States Coast Guard and United States Navy as the RM-1G (later as the VC-3A).

The Martin 4-0-4 is a twin-engined short-to-medium range piston engine airliner for up to 40 passengers with pressurized cabin produced by the US-American manufacturer Glenn L. Martin Company.

Mar 4, 2013 · Derived from the unpressurized, 30-passenger Martin 2-0-2, the larger 4-0-4 was a 40-passenger, pressurized, air-conditioned prop liner viewed as a potential DC-3 replacement and a competitor to the Convair 240/340. Martin test pilots took the first 4-0-4 on its maiden flight on October 21, 1950.