Status:	Final
Date:	09 SEP 1970
Time:	07:45
Type:	Britten-Norman BN-2A Islander
Operator:	San Juan Air
Registration:	N855JA
C/n / msn:	87
First flight:	1969-06-28 (1 year 2 months)
Crew:	Fatalities: 1 / Occupants: 1
Passengers:	Fatalities: 0 / Occupants: 0
Total:	Fatalities: 1 / Occupants: 1
Airplane damage:	Written off
Airplane fate:	Written off (damaged beyond repair)
Location:	Orocovis (Puerto Rico)
Phase:	En route (ENR)
Nature:	Unknown
Departure airport:	San Juan (unknown airport), Puerto Rico
Destination airport:	Ponce Airport (PSE/TJPS), Puerto Rico

Narrative:
The Islander descended in shallow left hand turns until it collided with a mountain side. The pilot had not slept for 27 hours. Fatigue may have played a role, but the probable cause was not determined.

PROBABLE CAUSE:
Miscellaneous - undetermined

Sources:
» BAAA-ACRO
» NTSB
» Thomas Brügge
» World Directory of Airliner Crashes