1989-04-22: Stinson 108 — Waterman, David K. — Avalon, CA

Casualties unknown • Avalon, CA, US

Probable cause

THE PILOT'S INADEQUATE COMPENSATION FOR THE DOWNDRAFTS HE ENCOUNTERED AND THE DELAY IN HIS DECISION TO PERFORM A GO-AROUND.

— NTSB Determination

Accident narrative

WHILE ON FINAL APPROACH THE AIRPLANE ENCOUNTERED A DOWNDRAFT. THE AIRPLANE LOST ALTITUDE AND THE PILOT OPTED TO GO-AROUND. A RIGHT TURN WAS MADE, DURING WHICH THE AIRPLANE LOST MORE ALTITUDE AND COLLIDED WITH THE TERRAIN. THERE WERE NO REPORTED MECHANICAL FAILURES OR MALFUNCTIONS WITH THE AIRPLANE AT THE TIME OF THE ACCIDENT. THE PILOT OF CESSNA THAT LANDED IMMEDIATELY BEFORE N97169 STATED THAT THE UNICOM OPERATOR REPORTED POSSIBLE DOWNDRAFTS ON FINAL APPROACH. WHILE ON FINAL THE PILOT DID ENCOUNTER THESE DOWNDRAFTS BUT WAS ABLE TO LAND SUCCESSFULLY.

Frequently asked questions

What happened in the 1989-04-22 Stinson 108 accident near Avalon, CA?

WHILE ON FINAL APPROACH THE AIRPLANE ENCOUNTERED A DOWNDRAFT. THE AIRPLANE LOST ALTITUDE AND THE PILOT OPTED TO GO-AROUND. A RIGHT TURN WAS MADE, DURING WHICH THE AIRPLANE LOST MORE ALTITUDE AND COLLIDED WITH THE TERRAIN. THERE WERE NO REPORTED MECHANICAL FAILURES OR MALFUNCTIONS WITH THE AIRPLANE AT THE TIME OF THE…

What aircraft was involved and where did it happen?

The accident on 1989-04-22 involved a Stinson 108, registration N97169, operated by Waterman, David K., at Avalon, CA.

What was the probable cause of the accident?

THE PILOT'S INADEQUATE COMPENSATION FOR THE DOWNDRAFTS HE ENCOUNTERED AND THE DELAY IN HIS DECISION TO PERFORM A GO-AROUND.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X28131. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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