MH370, Amelia Earhart and other airplane mysteries that are still unresolved

From the famous Amelia Earhart mystery to a disappearance over the Bermuda Triangle, here is a list of unresolved air plane crashes.

March 8 marked six years to the day that Malaysia Airlines Flight MH370 disappeared and still no one in an official capacity has explained what happened to the doomed aircraft.

The Boeing 777 with 239 people on board was flying from Kuala Lumpur to Bejing when it veered off course, perhaps deliberately, and presumably crashed in the far southern Indian Ocean.

Debris from the missing Malaysia Airlines Flight MH370 is displayed during a Day of Remembrance for MH370 event in Kuala Lumpur, Malaysia, Sunday, March 3, 2019. (AP Photo/Vincent Thian) (AP Photo/Vincent Thian)

Scattered pieces of the plane washed ashore in Africa and on islands in the Indian Ocean but government searches haven’t found it.

Flight MH370 is just one in a string of airplane mysteries that defied explanation.

Here are some of the others:

MALAYSIA AIRLINES FLIGHT 370 REMAINS MYSTERY SIX YEARS ON AS FAMILIES APPEAL FOR NEW SEARCH

AMELIA EARHART

In 1937, the pioneering aviator famously disappeared while attempting to fly around the world in a Lockheed Electra. The Coast Guard picked up her garbled final radio transmissions over the Pacific Ocean as she and navigator Fred Noonan flew from Papua New Guinea to Howland Island.

AMELIA EARHART MYSTERY: NEWLY DISCOVERED FOOTAGE MAY SHED LIGHT ON AVIATOR'S

Earhart and Noonan were declared lost at sea on July 19, 1937, following a massive sea and air search.

Amelia Earhart stands in front of her Lockheed Electra. (Everett Historical/Shutterstock)

B47 STRATOJET BOMBER WITH NUCLEAR WEAPONS

The Stratojet disappeared in 1956 over the Mediterranean Sea, after descending through thick clouds for a second aerial refueling. The aircraft was carrying nuclear weapons materials in two carrying cases. An exhaustive search failed to locate the aircraft, its weapons and its crew.

FLYING TIGER LINE FLIGHT 739

In 1962, the Flying Tiger cargo plane was carrying 93 U.S. Army Rangers, 11 crew members and three South Vietnamese when it disappeared after taking off from Agana Naval Air Station in Guam, en route to Vietnam.

One of the Rangers on board was Staff Sgt. Melvin Hatt of Lansing, Mich., the father of Donna Ellis Cornell.

"They searched for seven days, air-land-sea search and not as much as a seat cushion or a single piece of the aircraft was ever found," she told Fox 47 Lansing last year.

She has lobbied the government to add her father’s name to the Vietnam Memorial Wall in Washington, along with the names of the 92 other Rangers.

These sketches provided by the Federal Bureau of Investigation show suspected hijacker D.B. Cooper. (FBI.gov)

D.B. COOPER AND NORTHWEST AIRLINES

In 1971, a man in a suit who said his name was Dan Cooper hijacked a Northwest Airlines Seattle-bound Boeing 727 after telling a flight attendant his briefcase contained a bomb. After the plane landed, he released the 36 passengers in exchange for $200,000 in ransom and parachutes.

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Cooper then ordered the plane to fly to Mexico, but jumped out over Washington, never to be seen or heard from again. A girl found some of the ransom money years later. The caper turned D.B. Cooper into a folk legend.

The Flight 19 official accident report for Lieutenant C. C. Taylor, the flight leader. (U.S. Navy)

THE LOST PATROL

In 1945, the Bermuda Triangle became known as the Devil’s Triangle when five Navy torpedo bombers vanished without a trace. Flight 19 with 14 crew members was on a training mission from Fort Lauderdale in Florida.

A radio message intercepted at about 4 p.m. was the first indication that Flight 19 was lost, according to the Navy. This message, believed to be between the leader on Flight 19 and another pilot in the same flight, indicated that the instructor was uncertain of his position and the direction of the Florida coast.

The flight was never heard from again and no trace of the planes was ever found.

Adding to the Bermuda Triangle’s legend, a search aircraft was lost during the operation to find Flight 19. This aircraft was never seen or heard from after take-off.

BERMUDA TRIANGLE IS NO MYSTERY, OCEAN SCIENTIST EXPLAINS

EGYPTAIR FLIGHT 990

In 1999, an EgyptAir Boeing 767 crashed into the Atlantic Ocean on a flight from JFK Airport in New York to Cairo, killing all 217 people on board.

Egypt investigators blamed mechanical failure, but the National Transportation Safety Board suggested pilot suicide.

Audio captured pilot Gameel Al-Batouti saying in Arabic, “I rely on God” a total of 11 times.

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The mystery over what happened has only fueled many conspiracy theories.