1989-05-22: Piper PA-25-235 — Ag-air, Inc. — Suring, WI

Casualties unknown • Suring, WI, US

Probable cause

IMPROPER PLANNING/DECISION BY THE PILOT, WHICH RESULTED IN FUEL EXHAUSTION AND LOSS OF ENGINE POWER DUE TO AN INADEQUATE SUPPLY OF FUEL. FACTORS RELATED TO TH ACCIDENT WERE: THE LACK OF SUITABLE TERRAIN AND TREES IN THE EMERGENCY LANDING AREA.

— NTSB Determination

Accident narrative

AFTER COMPLETION OF AN AERIAL APPLICATION OPERATION, THE PILOT MADE A CLIMBING TURN TO RETURN TO THE STAGING AREA. DURING THE CLIMB, THE ENGINE LOST POWER AND AN IMMEDIATE EMERGENCY LANDING WAS INITIATED. HOWEVER, DUE TO LOW ALTITUDE, THE PILOT WAS UNABLE TO GLIDE THE AIRCRAFT TO A SUITABLE LANDING SITE. THE AIRCRAFT COLLIDED WITH TREES AND THEN THE TERRAIN. A SUBSEQUENT INVESTIGATION REVEALED THAT ONLY UNUSABLE FUEL WAS REMAINING IN THE AIRCRAFT.

Frequently asked questions

What happened in the 1989-05-22 Piper PA-25-235 accident near Suring, WI?

AFTER COMPLETION OF AN AERIAL APPLICATION OPERATION, THE PILOT MADE A CLIMBING TURN TO RETURN TO THE STAGING AREA. DURING THE CLIMB, THE ENGINE LOST POWER AND AN IMMEDIATE EMERGENCY LANDING WAS INITIATED. HOWEVER, DUE TO LOW ALTITUDE, THE PILOT WAS UNABLE TO GLIDE THE AIRCRAFT TO A SUITABLE LANDING SITE. THE AIRCRAFT…

What aircraft was involved and where did it happen?

The accident on 1989-05-22 involved a Piper PA-25-235, registration N4395Y, operated by Ag-air, Inc., at Suring, WI.

What was the probable cause of the accident?

IMPROPER PLANNING/DECISION BY THE PILOT, WHICH RESULTED IN FUEL EXHAUSTION AND LOSS OF ENGINE POWER DUE TO AN INADEQUATE SUPPLY OF FUEL. FACTORS RELATED TO TH ACCIDENT WERE: THE LACK OF SUITABLE TERRAIN AND TREES IN THE EMERGENCY LANDING AREA.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X28259. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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