N234SM

Substantial
None

HILLER 12C S/N: 55-4101

Accident Details

Date
Monday, December 18, 1995
NTSB Number
ATL96LA023
Location
N. MYRTLE BEACH, SC
Event ID
20001207X04950
Coordinates
33.689449, -78.889564
Aircraft Damage
Substantial
Highest Injury
None
Fatalities
0
Serious Injuries
0
Minor Injuries
0
Uninjured
2
Total Aboard
2

Probable Cause and Findings

The pilot's improper operation of the flight controls during a practice autorotation, and the certified flight instructor's inadequate supervision of the operation

Aircraft Information

Registration
Make
HILLER
Serial Number
55-4101
Engine Type
Reciprocating
Year Built
1955
Model / ICAO
12C UH12
Aircraft Type
Rotorcraft
No. of Engines
1
Seats
4
FAA Model
OH-23C

Registered Owner (Current)

Name
ROBERTSON KENNETH W
Address
235 STATELINE DRIVE
City
SUSSEX
State / Zip Code
NJ 07461-0390
Country
United States

Analysis

On December 18, 1995, at 1500 eastern standard time, a Hiller 12C, N234SM, touched down hard during a practice autorotation at the Grand Strand Airport in North Myrtle Beach, South Carolina. The instructional flight operated under the provisions of 14 CFR Part 91 with no flight plan filed. Visual weather conditions prevailed at the time of the accident. The helicopter sustained substantial damage; the certified flight instructor and the private pilot were not injured. The flight departed North Myrtle Beach, at 1430.

The pilots were conducting pre-checkride flight training. According to the private pilot, they were executing a practice autorotation to a powered recovery. As the pilots maneuvered the helicopter during the flare, the tail rotor assembly struck the ground. No mechanical problems with the airplane were reported by the pilot.

Data Source

Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# ATL96LA023