Some more details:
Aircraft landed at Cubi
Point Naval Air Station
on June 14, 1991, just
prior to start of major
eruption. Up to 6 in of
ash accumulated on
aircraft, including
wings and horizontal
stabilizer, and caused it
to tilt back on the tail.
Weight of ash was
approximately 32 lb/ft
2
.
Aircraft suffered some
damage to exterior of
tail fuselage, rear
pressure bulkhead, and APU compartment.
Report on the volcanic incident