Amelia Earhart disappeared in 1937. Nearly a century later, why are scientists now investigating a possible clue beneath the water?

Almost 90 years after the disappearance of aviation pioneer Amelia Earhart on a mission to circumnavigate the globe, experts have arrived at a distant island in the Pacific to inspect an oddity which may provide fresh clues regarding her last flight. The expedition team, consisting of 17 members from the Archaeological Legacy Institute (ALI) and Purdue University, has reached the Republic of Kiribati’s Nikumaroro Island on October 12 following a five-day journey of about 830 nautical miles.

Their target is a formation known as the Taraia Object, first noticed in satellite imagery in 2020.

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As the BBC reported, some researchers believe the object could be the remains of Earhart’s Lockheed Electra aircraft. Others question that interpretation, arguing that the shape may be a fallen tree rather than an aeroplane.

The expedition is expected to spend five days examining the site, using archaeological equipment to investigate what lies beneath the lagoon’s sediment. The findings could strengthen one of several theories about Earhart’s disappearance, although the team has yet to establish what the object actually is.

The Taraia Object puts a new lead under investigation

The investigation centres on a feature near the edge of a lagoon on Nikumaroro’s Taraia Peninsula. The strange formation was recognised through satellite pictures taken in 2020 as well as pictures taken at an earlier time which seem to show the same formation.

As the BBC has reported, the object is situated near the coastline, possibly around ten feet from the shore and submerged by just five feet of water, based on the tides.

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Sediment may cover part or all of the formation.

Expedition leader Rick Pettigrew has spent years examining the possibility that the object is connected to Earhart’s aircraft.

Purdue University has been cooperating with the investigation process thanks to its historical connection to the aviator, who once worked there and received financial backing from Purdue for her Lockheed Electra.

The group intends to search the area around the submerged object for artefacts before investigating it. While the object’s appearance in historical pictures justifies further investigation, it doesn’t necessarily mean that it belongs to an aircraft.

How researchers plan to examine the possible wreckage

The expedition is using several methods to determine the object’s composition and position beneath the water.

Researchers will first survey the area systematically, recording potential artefacts and marking out search lines. A magnetometer will then be used to detect ferrous metals, including steel components that might be associated with an aircraft. Although the Lockheed Electra was largely made of aluminium, other parts could produce detectable readings.

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The team also plans to use sonar equipment to locate objects beneath the lagoon floor. A probe will help investigators assess the target’s depth, orientation and surface characteristics. Sediment may then be removed with specialised dredging equipment to allow a direct visual inspection.

As the BBC has reported, the work will depend heavily on weather, sea conditions and tides. The researchers must also transport equipment across difficult terrain, including a jungle trail that the crew plans to clear.

The immediate objective is to determine what the Taraia Object is. Any attempt to recover aircraft components would require additional permission from the Kiribati government.

Giant coconut crabs and difficult conditions complicate the search

Reaching Nikumaroro was itself a major undertaking. The team travelled aboard the Marin Mainiku, a vessel that carried researchers across the South Pacific to the uninhabited atoll.

The expedition must now contend with changing ocean conditions and the effects of El Niño, which could restrict safe access to the shore. Marine archaeologist Michael Krivor has expressed concern about weather patterns that could make travel through narrow reef channels dangerous.

Wildlife presents another unusual challenge.

The coconut crabs, or the robber crabs, live on Nikumaroro and come out at night searching for food. The coconut crabs are among the largest of the land crustaceans and have the ability to climb trees and break coconuts, among other animals.

BBC reports indicate that the scientists will be sleeping on the ship rather than on the island overnight.

This will not only help them in dealing with safety issues but also address the logistical problems in an isolated area.

The researchers have very limited time available for their project; therefore, the weather forecast, tides, and boat transportation are crucial for them.

What the search could reveal about Earhart’s disappearance

It was July 2, 1937, when Amelia Earhart disappeared while trying to be the first lady to circle the Earth. Both Amelia Earhart and her navigator Fred Noonan had managed to cover many countries before setting off from Lae, Papua New Guinea, to land on Howland Island.

As can be seen, it is evident that there was some problem with radio contact in finding the destination. It appears that the theory about the case is that the fuel in the aircraft ran out and it must have crashed somewhere in the Pacific Ocean; however, there is no concrete evidence for the same as of now.

There is another theory that Earhart and Noonan landed at Nikumaroro, where they may have lived like castaways.

However, the Taraia Object has its own sceptics. Ric Gillespie, a veteran investigator of the Earhart mystery, believes the formation is a fallen pandanus tree. That interpretation has not been resolved by the new expedition.

As the BBC’s reporting makes clear, the search remains an investigation rather than a confirmed discovery. Identifying the object could help researchers assess one possible explanation for Earhart’s fate, but a definitive conclusion will depend on physical evidence and careful analysis.