Date & Time: Jan 21, 1939 at 1309 LT
Operator:
Registration:
G-ADUU
Flight Phase:
Flight
Survivors:
Yes
Schedule:
Port Washington – Hamilton – Southampton
MSN:
S.812
YOM:
1936
Country:
World
Region:
World
Crew on board:
5
Crew fatalities:
1
Pax on board:
8
Pax fatalities:
2
Other fatalities:
0
Total fatalities:
3
Circumstances:
The seaplane christened 'Cavalier' left Port Washington seaplane base in Long Island at 1038LT on a transatlantic flight to Southampton with an intermediate stop in Hamilton, Bermuda. Some two hours later, crew encountered poor weather conditions and decided to modify his route to avoid a cumulonimbus area. During this maneuver, the aircraft lost height and while cruising in poor weather with low temperature, the pilot decided to return to his initial route when both inner engines stopped while both outboard engine lost power. In such situation, the captain decide to make an emergency landing into the Atlantic Ocean, some 285 miles southeast of Port Washington. The radio operator was able to give his position and the aircraft sunk four minutes after landing.
Crew:
M. R. Alderson, pilot,
Neil Richardson, copilot.
Probable cause:
The fact of the descent was entirely due to complete loss of power in the case of the two inner engines and partial loss of power in the outboard engines
owing to carburetor icing trouble. The sea conditions were such that a safe landing was impossible and, as a result of damage to the hull, the machine sank in about fifteen minutes after breaking in half.