"The R4D-5, known also as the DC-3 'Skytrain' is a transport type plane used by the U.S. Coast Guard for search and rescue, intercept, and logistics purposes. Eight of these were acquired by the Coast Guard between May 1943 and July 1944 of World War II."; 29 March 1950; Photo No. CPI-03-29-50-(02); photographer unknown.

R4D-5 for use in Antarctica. Redesignated LC-47H in 1962. Photos of this type show the removal of underslung engine oil coolers typical of the R-1830 engine installation; apparently not needed in the cold polar regions.

The Douglas R4D-8 (later redesignated C-117D) is a military transport aircraft developed from the civilian Douglas DC-3S (Super DC-3) airliner. It was used by the United States Navy and United States Marine Corps during the Korean War and Vietnam War.

It was a ski-equipped R4D-5 (a Navy version of the DC-3) named "Que Sera Sera." With temperatures hovering near minus 60 F, Shinn kept the engines running while Adm. George Dufek stepped out of the plane and became the first person to stand at the Pole since Robert Scott's party, more than four decades earlier.

"The R4D-5, known also as the DC-3 'Skytrain' is a transport type plane used by the U.S. Coast Guard for search and rescue, intercept, and logistics purposes. Eight of these were acquired by the Coast Guard between May 1943 and July 1944 of World War II."; 29 March 1950; Photo No. CPI-03-29-50-(02); photographer unknown.

R4D-5R: At least seven R4D-5's converted to a 21-seat passenger transport. Redesignated TC-47H in 1962. R4D-5S: Unknown number of R4D-5's converted post World War II to antisubmarine warfare (ASW) trainers with space for nine students and one instructor.

R4D-5 “Skytrain” (1946) The Coast Guard acquire eight Douglas R4D-5 transport from the Navy between October 5 1946 and Jan 31, 1947.. They were used for search and rescue duties, as transports, and logistic support work.

The R4D-6's were identical to the R4D-5 but were equipped with two 1,200 hp Pratt & Whitney R-1830-90C engines with two-stage, two-speed superchargers, provisions for fuel tanks in the fuselage and improved heaters.

2016年10月27日 · The twin-engine R4D-5 Skytrain, named Que Sera Sera, touched down on the frigid Antarctic plateau just yards away from the unmarked geographic South Pole. Though other planes had flown over the pole, this was the first ever to land there.

Que Sera Sera was the name given to this R4D-5L (Douglas DC-3) that made the first landing at the South Pole on 31 October 1956. It was named after a popular song of the time. The aircraft's crew...