On 2 July 1937 Amelia Earhart and navigator Fred Noonan vanished on the Lae-to-Howland leg of an around-the-world flight; no wreck or remains have been identified.
Also called: Earhart and Noonan · around-the-world flight
Amelia Earhart, already the first woman to fly the Atlantic solo, left Oakland in May 1937 on a second attempt to circle the globe at equatorial latitudes in a Lockheed Model 10-E Electra, civil registration NR16020, paid for in large part through Purdue University. After a March crash on takeoff from Luke Field, Hawaii, the route was reversed to run eastward. Navigator Fred Noonan joined the crew. By late June the Electra had reached Lae, New Guinea, after a chain of publicised hops across Africa, South Asia and the Dutch East Indies.
On 2 July 1937 Earhart and Noonan took off from Lae for Howland Island, a coral speck where the United States Coast Guard cutter Itasca waited as radio and fuel ship. Itasca heard Earhart’s voice, including a last transmission at about 08:43 Howland time that she was on the line 157–337 and running on line, but the aircraft never appeared. Direction-finding and frequency mismatches meant the cutter could hear her more often than she could hear it. A Navy and Coast Guard search of the central Pacific found no confirmed wreckage.
Earhart was declared dead on 5 January 1939. The official working theory remains a loss at sea when fuel ended near Howland. Later private groups, especially TIGHAR, have argued for a landing on Gardner Island (Nikumaroro) in the Phoenix Islands. Japanese-capture stories have not produced a document trail that professional historians accept. No court or service board has identified the Electra’s wreck. The case is unsolved.
Date2 July 1937
AircraftLockheed Electra 10E
LegLae to Howland I.
Radio shipUSCGC Itasca
NavigatorFred Noonan
StatusUnsolved
Dossier scores
Notoriety 94
Mystery 92
Scale 36
Evidence 40
Legal impact 30
Culture 95
Notoriety
94
Mystery
92
Scale
36
Evidence
40
Legal impact
30
Culture
95
A radio line without a landfall
Earhart’s disappearance is a navigation and communications failure in public view: a famous pilot, a thin island, a cutter that could hear a voice and could not bring the aircraft in.
Howland, Itasca and the 157–337 line
Howland Island had a new airstrip built for the flight. Itasca’s job was to talk Earhart in and to take radio bearings. Earhart’s Electra used frequencies and a trailing antenna arrangement that, on the morning of 2 July, did not give the cutter a reliable two-way link. Itasca’s logs — later published and much parsed — show her reporting half-hour and then lower fuel, asking for bearings, and finally saying she was on the 157–337 sun line and running north and south.
A sun line is a band, not a point. If Howland was missed, the same line also runs toward the Phoenix Islands. That geometry is why later researchers could argue both a ditching near Howland and a continued flight southeast. It is not, by itself, a wreck site. Noonan’s celestial navigation was the intended fix; the radio was the intended confirmation. Both failed in public.
The official search and the legal death
The United States Navy, including the battleship Colorado and later the carrier Lexington, and the Coast Guard searched thousands of square miles. Reports of reefs and flares were followed and not confirmed as Electra wreckage. George Palmer Putnam, Earhart’s husband and publicist, pressed officials and the press. In January 1939 a California court declared her dead so that estates and contracts could close.
That legal death is not a recovered body. It is the state’s way of ending a missing-person file when a long search has produced no aircraft. The Navy’s contemporary view — fuel exhaustion and a ditching near Howland — remains the default of official English. It has never been photographed on the seafloor in a form the services have accepted.
Nikumaroro and other later files
The International Group for Historic Aircraft Recovery (TIGHAR) has, since the late 1980s, excavated and argued on Nikumaroro (Gardner Island), citing a 1937 Navy flyover of signs of habitation, later bones found in 1940 and since lost, and aluminium fragments. Professional archaeologists and the original British colonial bone measurements have been re-read in both directions. Nothing from that island has been certified as NR16020.
Other theories — a crash in the Marshall Islands and Japanese custody, a return to the United States under another name — rest on late testimony and do not match the Itasca radio log’s last minutes. Historians including Susan Butler and Doris L. Rich have treated the Howland-area loss as the still-best reading of the contemporary paper. Unsolved means the wreck is missing, not that every theory is equal.
Why the case stayed famous
Earhart was already a transatlantic name, a lecture circuit and a Purdue visiting presence. The world flight was a sponsored public event. When the Electra vanished, the audience was already assembled. That is why 1937 produced a search of unusual scale for a two-person civil flight.
English-language culture kept her as a pioneer whose last act was an unfinished map. Aviation safety lessons — overwater radio procedure, navigator-pilot workload, the risk of a point island — are real and modest next to the myth. The legal impact is small; the cultural reach is among the largest in this atlas.
On 2 July 1937, during the Lae, New Guinea, to Howland Island leg of an eastbound around-the-world attempt in Lockheed Electra NR16020, with navigator Fred Noonan.
What was the last radio message?
Itasca logged Earhart at about 08:43 Howland time saying she was on the line 157–337 and running on line. She reported they were flying up and down that line and could not see the island. Two-way contact was poor.
Who was Fred Noonan?
A professional navigator, formerly of Pan American’s Pacific routes, hired for the world flight after the March 1937 Hawaii crash. He was in the Electra on 2 July. He has not been found.
What is the official explanation?
Fuel exhaustion and a ditching in the sea near Howland Island after the island was missed. That is the Navy and Coast Guard working conclusion from 1937. It has not been confirmed by a located wreck.
What is the Nikumaroro theory?
A private research argument, associated with TIGHAR, that the Electra landed on Gardner Island (Nikumaroro) on the same sun line. Fragments and a lost 1940 bone find have been debated. No government has certified the island as the crash site.
Was Earhart captured by Japanese forces?
No document trail accepted by mainstream historians shows capture or imprisonment. The last radio minutes place the aircraft on a line through Howland, not in the Marshalls. The story persists in popular English; it is not the official file.
When was she declared dead?
A California court issued a legal death date of 5 January 1939, after the search had long ended. That closed estates. It did not produce remains.
Has the Electra been found?
No. Sonar and island expeditions have offered candidates. None has been accepted as NR16020 by the United States Navy or by a consensus of aviation archaeologists.