CHI86LA219

NTSB accident investigation · Hughes 500 (369HS) · West Lafayette, IN · September 6, 1986

Accident · Minor injuriesLimited investigationFinal report
Date
September 6, 1986, 13:05 local (18:05 UTC)
Place
West Lafayette, IN
Injuries
2 minor
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N2254XHughes 500 (369HS)
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19860906045939A
Case key
13519

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Airframe/component/system failure/malfunctionHover
Rotor drive system,tail rotor drive shaft - corrodedFactor
Rotor drive system,tail rotor drive shaft - brittle fractureFactor
Rotor drive system,tail rotor drive shaft - failure,totalCause
Maintenance - improperCompany maintenance personnelFactor
Loss of control - in flightDescent - uncontrolled
Altitude - delayedPilot in commandFactor
Autorotation - not attainedPilot in commandFactor
Autorotation - not possiblePilot in commandFactor
In flight collision with objectDescent - uncontrolled
Object - residence
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The helicopter was at a low altitude hover video taping an athletic event when the aft flex coupling on the tail rotor failed. The plt was unable to regain control and during descent the main rotor blades struck the roof of a residence. The helicopter then fell into the yard.

Aircraft

Registration
N2254X
Reported as
Hughes 500 (369HS) (500 (369HS)
Category
Helicopter
Serial number
890110
Airframe hours
6,556
Engine
Allison 250 CIBA, 278 horsepower, turbo shaft
Damage
Destroyed
Flight
Aerial observation · Part 91
Operator
R. J. Dubray
Registered owner
R.J. Dubray
Airworthiness certificate
Standard, Normal
Last inspection
Annual · February 11, 1986 · 82 hours before
Departed
MCX · Monticello, IN
Destination
MCX · Monticello, IN

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
23
Certificates
Commercial, Flight instructor
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
1,362 total · 230 in this make and model · 80 in the last 90 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
290° at 11 knots
Visibility
15 statute miles
Lowest ceiling
12,000 ft broken
Temperature
72 °F, dew point 43 °F
Altimeter
30.00 inHg
Observed at
LAF, 1 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N2254X · 1

Matched to the same aircraft by N-number and date.