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CHI87FA133

1987-03-27 · MOUNT VERNON, Illinois, United States · Fatal · 1 aircraft · Status: Completed

Airport MVN

N2820S has since been reassigned. It is now registered to a different aircraft (SOCATA TB 10), which was not involved in this event.

Aircraft involved

Factual narrative

THE ACFT WAS ON A TEST FLT AFTER A TOP-OVERHAUL HAD JUST BEEN COMPLETED. MECHANICS RPRTD THAT BEFORE THE FLT, THE ENG HAD BEEN PROPERLY RIGGED & OPERATED NORMALLY DRG RUN-UP. DRG INITIAL CLIMB AFTER TAKEOFF, WITNESSES SAID THE ENG LOST POWER. THE PLT INITIATED A STEEP (70-75 DEGREE BANKED) TURN BACK TOWARD THE ARP. DRG THE TURN, THE NOSE DROPPED & THE ACFT IMPACTED THE GROUND IN A LEFT WING LOW, NOSE DOWN ATTITUDE. THE ACFT WAS EXTENSIVELY DAMAGED BY IMPACT & GROUND FIRE. A TEARDOWN OF THE ENG REVEALED INTERNAL ENGINE MECHANICAL CONTINUITY, EVIDENCE OF OIL PUMP OPERATION, AND NORMAL LUBRICATION. THE DUAL MAG HAD EXTENSIVE FIRE DMG. THE FUEL PUMP WAS CHARRED; INVESTIGATORS WERE UNABLE TO ROTATE DRIVESHAFT. TEARDOWN DID NOT CONFIRM REASON FOR POWER LOSS. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1987_CHI87FA133.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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