19990713008949A

Accident · Substantial damage

FAA accident report · Hughes OH6A · Chesterfield, MO · July 13, 1999

Date: July 13, 1999
Place: Chesterfield, MO
Damage: Substantial damage
Aircraft: N911EP
NTSB investigation: NTSBCHI99TA232
Reported as: Hughes OH6A

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

St. louis county police public use Hughes OH6A helicopter was involved in auto-rotation practice when the main rotor blades flexed down on landing and struck the tail boom, other circumstances are unknown.

As the FAA filed it

ST. LOUIS COUNTY POLICE PUBLIC USE HUGHES OH6A HELICOPTER WAS INVOLVED IN AUTO-ROTATION PRACTICE WHEN THE MAIN ROTOR BLADES FLEXED DOWN ON LANDING AND STRUCK THE TAIL BOOM, OTHER CIRCUMSTANCES ARE UNKNOWN.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.

NTSB CHI99TA232Accident · No injuriesFinal reportChesterfield, MOthe pilot-in-command's improper autorotational landing.Jul 13, 1999 · Substantial damage