Martin PBM Mariner

The crew was supposed to deliver the airplane to Argentina. Enroute, an engine caught fire, forcing the pilot to attempt an emergency landing. The aircraft crashed on Tobago Island and was seriously damaged. There were no injuries. It was later transferred to the US for repair but was destroyed by fire and irreparable.

Enroute from Iwakuni to Hong Kong, the airplane hit the slope of a mountain located on Yakushima Island. All 17 occupants have been killed. For unknown reason, the crew did not realize his altitude was insufficient and failed to sea the mountain.

The crew left Brownsville Airport on a navigation training mission over the Gulf of Mexico. Few minutes after his departure, the crew informed ground about his position southeast of Brownsville, enroute to Corpus Christi. As the radio contact was lost and the airplane failed to arrive in Corpus Christi, SAR operations were conducted. The wreckage was found on the slope of a 3,000 feet high mountain near Caricitas, State of Tamaulipas, Mexico. The aircraft was destroyed upon impact and all ten crew members were killed. For unknown reason, the aircraft was not following the assigned track for Corpus Christi.
Crew:
Lt Donald G. Teifer +9.

The crew was performing a training mission out from Brownsville Airport, a mission consisting of a familiarization with new navigation techniques. Enroute, the airplane hit a ridge located in the municipality of Cruillas, Tamaulipas. All ten crew members were killed.

The crew was engaged in a maritime patrol flight over the East China Sea. En route, the seaplane crashed in unknown circumstances off Jeju Island. The crew off the USS Swordknot noted black smoke about 10 km from his position and diverted to the point of impact. Few debris were found and all 14 occupants have been killed.

En route, while completing a maritime patrol flight over the South China Sea, the crew informed ground that the left engine caught fire and elected to return for an emergency landing. Shortly later, the seaplane crashed into the sea about 150 km west of Laoag, Philippines. Five crew members were rescued by the crew of a USCG Catalina while ten other occupants were killed.

The crew was completing a maritime patrol flight over the North Pacific Ocean when the radio operator informed ATC he would divert to Adak for an emergency landing due to a fire on board. While approaching Adak Airport, the seaplane hit the water surface and crashed into the ocean few miles off shore, killing all 12 crew members.

Crashed in unknown circumstances into the Atlantic Ocean about 200 km northeast of Turks & Caicos Islands while on a flight from San Juan to Plymouth, Massachusetts. All 11 occupants were killed.

The seaplane was engaged in a rescue mission after a USN Neptune was shot down off the Swatow Island. All 11 crew members of the Neptune were transferred on board the USS Halsey Powell. While taking off from rough seas, the airplane went out of control and crashed, killing all nine crew members including the following five USCG personnel:
Ltjg G. W. Stuart,
Alc W. J. Hammond,
Al1 C. R. Tornell,
Ao1 J. R. Bridge,
Ad3 T. W. Miller.

While completing a maritime patrol flight over the Japan Sea, the crew encountered problem with an engine that caught fire in flight. The pilot-in-command elected to ditch the aircraft that eventually crashed into the sea about 160 km off Wonsan, North Korea. Ten crew members were killed while four others were rescued.
Crew:
Lt Dale Anderson, †
Lt Wayne Eugene Bancroft, †
Ens Donald E. McKinney,
Ad1 George E. Haigh Jr., †
Al2 John A. James, †
Ac2 Rufus L. Mounce, †
Al3 Robert L. Newman, †
Ad3 Joseph O. Smith,
Ad3 Robert W. Stapleton,
At3 Max E. Studer,
Am3 William D. Wynn, †
AN Ernest N. Franklin, †
Aoan Frederick C. Lynch, †
Aoan Clinton B. Macklin. †