Coral encrusted cockpit of the Betty Bomber aeroplane in Chuuk Lagoon, Micronesia
Micronesia Scuba Diving Travel Photos

Travel Photos: Diving the Betty Bomber, Chuuk Lagoon

The Betty Bomber plunged out of control, engines failing, and hit the waters of Chuuk Lagoon. The aircraft crashed into the waves a few hundred metres short of Eten Island airstrip. The engines broke off, finally coming to rest some distance from the plane. The coral encrusted cockpit now lies detached from the body in a twisted mess of aluminium. The wings and main fuselage are still largely intact. Nearby, shoals of bluestripe snapper patrol the selection of artefacts that lie scattered on the seabed. Whether this Mitsubishi G4M was shot down or was simply the victim of an unfortunate accident remains a mystery.

Gun Turrets On The Betty Bomber

As soon as we entered the water we could see the Betty Bomber laid out on the sand below. Dropping down the line, we recognised the gun turrets and observation blisters that gave the crew a clear view in all directions.

These long range aircraft were built for performance and their lack of armour made them light and efficient. It also made them vulnerable so they could be shot down easily.

Broken coral encrusted gun turret on the Betty Bomber aeroplane in Chuuk Lagoon, Micronesia

Starboard Wing

We cruised under the wings, which are now covered in colourful soft corals and sponges. The fuel tanks for the Betty Bombers were integrated into the wings. When hit by the enemy, these unprotected fuel tanks often caught fire or exploded. This led to nicknames like the Flying Cigar or Flying Zippo. Thankfully this Betty Bomber didn't explode and the wings are still intact.

Colourful coral covered wing of the Betty Bomber in Chuuk Lagoon, Micronesia

Inside The Betty Bomber

Entering the fuselage behind the cockpit we found metal shelving with an assortment of mess tins and other small items. We then swam down the centre of the plane, which was largely empty. Having looked around, we took the easy route out through one of the large observation blisters.

View down the inside of the Betty Bomber in Chuuk Lagoon, Micronesia

The Pilot's Seat

We explored the area around the Betty Bomber and found various artefacts strewn on the sand. The pilot's seat and the remains of a radio were easily identifiable.

Pilot's seat on seabed near Betty Bomber, Chuuk Lagoon, Micronesia

Betty Bomber's Engine

Swimming off into the blue, we came across both engines around 60 metres from the rest of the wreck. From a distance they looked like coral bommies with propellers but up close we could see more detail. Although no one knows why the Betty Bomber crashed, the straight propeller blades show the engines had stopped prior to impact.

Engine with propellor buried in sand on the Betty Bomber, Chuuk Lagoon, Micronesia

Betty Bomber Diving Tips

The Betty Bomber is a shallow dive. We reached a maximum depth of 20 metres. It makes a good final dive of the day after some of the deeper wrecks in Chuuk Lagoon.

The inside of the Betty Bomber is worth exploring. It is possible to swim right through and squeeze out through a tiny gap at the tail. Unless your buoyancy control is spot on, you are likely to kick up a lot of silt doing this. It may be easier to come out one of the observation blisters near the wings.

The engines lie on the sand around 60 metres away from the Betty Bomber. From the front of the aircraft, we swam on a bearing of 110° to find the engines.

How To Get To Chuuk Lagoon

Flights to Chuuk are very limited and only operate around 3 times a week.

1. Fly to Tokyo, Osaka, Seoul or Manila.

2. Take a United Airlines flight to Guam and from there on to Chuuk.

Many thanks to the Odyssey liveaboard for their kind hospitality. The level of service on board was exceptional and the rooms were larger than the average hotel room. Captain Mike's in-depth knowledge of the wrecks and his detailed videos made the dive briefings really special too.

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