N20703BELL 412 1991-07-01 NTSB Accident Report

Substantial
None

BELL 412 S/N: 33017

Summary

On July 01, 1991, a Bell 412 (N20703) was involved in an incident near Grand Junction, CO. All 3 people aboard were uninjured. The aircraft sustained substantial damage.

The National Transportation Safety Board determined the probable cause of this incident to be: THE PILOT'S FAILURE TO MAINTAIN ADEQUATE MAIN ROTOR RPM PRIOR TO TOUCHDOWN. FACTORS WERE: THE DISCONNECTED ENGINE TO TRANSMISSION DRIVE SHAFT AND THE INADEQUATE INSPECTION BY COMPANY MAINTENANCE PERSONNEL.

This incident is documented in NTSB report DEN91LA095. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N20703.

Accident Details

Date
Monday, July 1, 1991
NTSB Number
DEN91LA095
Location
GRAND JUNCTION, CO
Event ID
20001212X17526
Coordinates
39.080780, -108.549804
Aircraft Damage
Substantial
Highest Injury
None
Fatalities
0
Serious Injuries
0
Minor Injuries
0
Uninjured
3
Total Aboard
3

Probable Cause and Findings

THE PILOT'S FAILURE TO MAINTAIN ADEQUATE MAIN ROTOR RPM PRIOR TO TOUCHDOWN. FACTORS WERE: THE DISCONNECTED ENGINE TO TRANSMISSION DRIVE SHAFT AND THE INADEQUATE INSPECTION BY COMPANY MAINTENANCE PERSONNEL.

Aircraft Information

Registration
Make
BELL
Serial Number
33017
Engine Type
Turbo-shaft
Model / ICAO
412 B412
Aircraft Type
Rotorcraft
No. of Engines
2

Registered Owner (Historical)

Name
HEIMAN DAVID C
Address
124 NW 131 HWY
Status
Deregistered
City
HOLDEN
State / Zip Code
MO 64040
Country
United States

Data Source

Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# DEN91LA095