Footage from Puerto Global showed the damaged aircraft on the beach having crashed into what it said was a turtle rescue center.
Taking accurate weight measurements can increase passenger safety on flights.
WPLG said the plane, operated by the Hop-a-Jet charter aviation carrier, was ultimately destined for an executive airport in Fort Lauderdale, Florida, where that company is based.
It is believed Earhart ran out of fuel and landed the plane on the ocean surface and that the craft later sank to the bottom.
Russian aviation authorities said on Sunday a Russian-registered plane with six people thought to be on board disappeared from radar screens over Afghanistan.
It is unclear whether the volume of airport traffic or the emergency response to the earthquake that struck late afternoon on Jan. 1 were factors in the accident.
Officials at Japan's second-biggest airline on Wednesday said the crew followed emergency procedures in textbook fashion, starting with the first rule: panic control.
All 379 passengers and crew on board the Japan Airlines flight were evacuated, but five of the six aboard the Coast Guard plane with which it collided are reported killed.
Governor Lima said that the bodies had already been removed from the aircraft and that the victims were Brazilian tourists.
81 passengers lost their life on Flight 870 in 1980, leaving it one of Italy's most tragic mysteries.