NTSB Identification: SEA90FA027.
The docket is stored on NTSB microfiche number 41254.
Accident occurred Thursday, December 21, 1989 in NORDLAND, WA
Probable Cause Approval Date: 06/26/1992
Aircraft: CESSNA 172N, registration: N2228E
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE PURPOSE OF THE FLIGHT WAS TO PHOTOGRAPH A SAILBOAT UNDERWAY IN PUGET SOUND. AFTER CIRCLING THE BOAT 3 TIMES AT A LOW ALTITUDE, THE PILOT HEADED SOUTHBOUND TOWARD THE DEST ARPT. THE ACFT WAS OBSERVED ON RADAR CLIMBING TO 1500 AGL, REVERSE COURSE AND ENTER A 1000 FPM DIVE UNTIL LOST AT 500 FT AGL. THERE WAS NO RADIO COMM DURING THE DIVE FROM THE ACFT THAT WAS IN CONTACT WITH ATC. WITNESSES REPORTED ONLY SEEING A SPLASH AT THE ACCIDENT SITE. THE WRECKAGE OR OCCUPANTS COULD NOT BE LOCATED IN 500 FT DEEP WATER AND HAVE NOT BEEN RECOVERED. WEATHER WAS VFR.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

UNDETERMINED.

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