Date:	Wednesday 9 September 1970
Time:	07:45
Type:	Britten-Norman BN-2A Islander
Owner/operator:	San Juan Air
Registration:	N855JA
MSN:	87
Year of manufacture:	1969
Fatalities:	Fatalities: 1 / Occupants: 1
Aircraft damage:	Destroyed, written off
Category:	Accident
Location:	Orocovis -   Puerto Rico
Phase:	En route
Nature:	Ferry/positioning
Departure airport:	San Juan (unknown airport)
Destination airport:	Ponce Airport (PSE/TJPS)
Confidence Rating:	Accident investigation report completed and information captured

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

https://gpa.eastview.com/crl/elmundo/newspapers/mndo19700910-01.1.11 (El Mundo 10 Sept. 1970)
NTSB
Thomas Brügge
World Directory of Airliner Crashes

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