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LAX88LA325

1988-09-16 · LIHUE, Hawaii, United States · None · 1 aircraft · Status: Completed

Airport LIH

Aircraft involved

Factual narrative

DURING A LOCAL SIGHTSEEING FLIGHT, THE PILOT REPORTED THAT WHILE ON FINAL APPROACH FOR LANDING, THE AUDIO AND LIGHT FOR LOW RPM SOUNDED AND ILLUMINATED. THE HELICOPTER WAS AUTOROTATED. IT INITIALLY BOUNCED WHEN IT TOUCHED DOWN, THEN LANDED HARD. THE ENGINE WAS STILL RUNNING AFTER THE ACCIDENT. THE ENGINE WAS REMOVED AND PLACED ON A TEST CELL. ALL ENGINE PARAMETERS EXCLUDING THE SEAL VENT PRESSURE, WERE FOUND TO BE WITHIN LIMITS AS RECOMMENDED BY THE MANUFACTURER. AFTER CHANGING THE VENT ORIFICE FROM A NO. 2 TO A NO. 4 THE DISCREPANCY WAS CORRECTED. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1988_LAX88LA325.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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External sources are reported, not agency: signal that something happened, not fact about what happened.