Corsair
Conditions & tides
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Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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About this site
The Corsair is an airplane wreck off Oahu, Hawaii, and the only non-artificial wreck on the island. The small plane went down in 1946, when the pilot ditched it, and he survived. It sits remarkably intact at about 107 feet (33 m), with its bent propeller still standing tall. You can sit in the cockpit, though a huge moray sometimes guards it, so look first, and some of the instruments and glass are still there.
This is a deep dive, with a bottom time of about 15 minutes, which is plenty to cover the wreck. Hundreds of garden eels stand halfway out of the sand around it. Two large frogfish live here, one on the tail wing and the other sometimes on the sand nearby, and a large octopus and a very large moray are often in the wreck. Large stingrays often pass through.
Visibility is among the best on the island, averaging about 100 feet (30 m) and reaching close to 180 feet (55 m) at best. Watch for the sharp metal, barnacles and eels around the wreck.
Marine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
FrogfishFrogfishReported here · unconfirmed
Moray eelMoray eelReported here · unconfirmed
Garden eelGarden eelConfirmed present · 4 independent sources
Pacific Orange-spine UnicornfishNaso lituratusReported here · unconfirmed
Dusky SurgeonfishAcanthurus nigrofuscusReported here · unconfirmed
Pacific Sailfin TangZebrasoma veliferReported here · unconfirmed
Hawaiian Spotted TobyCanthigaster jactatorReported here · unconfirmed
Blackspot SergeantAbudefduf sordidusReported here · unconfirmed
Redlip ParrotfishScarus rubroviolaceusReported here · unconfirmed
Hawaiian Convict SurgeonfishAcanthurus triostegusReported here · unconfirmed
Saddle WrasseThalassoma duperreyReported here · unconfirmed
Lagoon TriggerfishRhinecanthus aculeatusReported here · unconfirmed
Dark SurgeonfishAcanthurus blochiiReported here · unconfirmed
OctopusOctopusConfirmed present · 2 independent sources
Eagle rayEagle rayReported here · unconfirmed
PufferfishPufferfishReported here · unconfirmed
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