Spirit Of St Louis Airport
Aircraft Accident/Incident Report

Chesterfield, Missouri 63005
Tuesady, July 13, 1999 9:13 CDT

NTSB Narrative Summary Released at Completion of Accident

A rated helicopter pilot was acting as pilot-in-command with a check pilot. According to the check pilot who was interviewed after the accident, the pilot-in-command had accomplished several autorotational landings to a hover and he asked the pilot on the next one to 'demonstrate a full touchdown.' He said that the helicopter landed hard and received damage.

NTSB Probable Cause Narrative

the pilot-in-command's improper autorotational landing.

Event Information

Type of Event Accident
Event Date 7/13/1999
Event Day of the Week Tuesday
Time of Event 913
Event Time Zone Central Daylight Time
Event City CHESTERFIELD
Event State MISSOURI
Event Country --
Zipcode of the event site 63005
Event Date Year 1999
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SPIRIT OF ST LOUIS
Event Location Nearest Airport ID SUS
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 854 Central Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID SUS
Elevation of weather observation facility 461
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 7000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) 17
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 584
NTSB Notification Source --
NTSB Notification Date Jul 13 1999 12:00AM
NTSB Notification Time 1030
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 12 2000 11:44AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N911EP
NTSB Number CHI99TA232
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Hughes
Aircraft Model OH-6A
Aircraft Series Identifier OH-6A
Aircraft Serial Number 591176
Certified Max Gross Weight 2550
Aircraft Category Helicopter
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Jun 22 1999 12:00AM
Airframe hours since last inspection 49
Airframe Hours 5072
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ST LOUIS COUNTY POLICE DEPT
Aircraft Owner Street Address 18200 EDISON AVE.
Aircraft Owner City CHESTERFIELD
Aircraft Owner State MO
Aircraft Owner Country
Aircraft Owner Zipcode 63005
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Public Use
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code SUS
Departure City
Departure State
Departure Country
Departure Time 830
Departure Time Zone CDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --