ATL05CA089

NTSB accident investigation · Hughes TH-55 · Cornelia, GA · May 26, 2005

Accident · Minor injuriesData collectionFinal report
Date
May 26, 2005, 16:44 local (20:44 UTC)
Place
Cornelia, GA
Injuries
2 minor
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N681BCHughes TH-55
Weather
Visual (VMC) · Day
Status
Completed · report June 28, 2006
Report
Approved by Office Director
Parties
Atlanta FSDO
FAA report
20050526012229A
Case key
61693

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

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Probable cause

The pilot's failure to maintain adequate object clearance, which resulted in the in-flight collision with terrain, and the subsequent rollover.

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.

In flight collision with objectTakeoff - aborted
Clearance - not maintainedPilot in commandCause
In flight collision with terrain/waterTakeoff - aborted
Terrain condition - high vegetation
Roll overOther

Analysis

According to the pilot, the purpose of the flight was to film the construction of a local building. The helicopter was brought to a hover between 15-20 feet off of the ground in the parking lot of the building. The helicopter was air taxied to a grass field approximately 100 feet away. As the pilot began his takeoff run he approached a row of trees that were approximately 50 feet tall and was unable to gain altitude. He initiated a quick stop maneuver, and the tail rotor became entangled in high vegetation. The helicopter began to spin to the right, and collided with the ground and rolled over onto the left side. Examination of the helicopter revealed, that the tail boom separated from the fuselage, all main rotor blades were bent and damaged. The left skid was broken and loose. Review of the FAA rotorcraft flying handbook states: Rapid Deceleration (Quick Stop) should be conducted at an altitude high enough to avoid danger to the tail rotor during flare, but low enough to stay out of the crosshatched or shaded areas of the height/ velocity diagram throughout the maneuver. Review of the FAA rotorcraft flying handbook states: Rapid Deceleration (Quick Stop) should be conducted at an altitude high enough to avoid danger to the tail rotor during flare.

Factual narrative

On May 26, 2005, at 1644 eastern daylight time, a Hughes TH-55, N681BC, registered and operated by private owner, collided with the ground during a quick stop maneuver Cornelia, Georgia. The personal flight was operated under the provisions of Title 14 CFR Part 91 with no flight plan filed. Visual meteorological conditions prevailed at the time of the accident. The helicopter sustained substantial damage, and the private pilot, and passenger was not injured. The flight originated from a field in Cornelia, Georgia on May 26, 2005, at 1630.

According to the pilot, the purpose of the flight was to videotape the construction of a local building. After the pilot loaded and secured the passenger in the helicopter, the pilot elected to position the helicopter to a grassy area for takeoff. The helicopter was brought to a hover between 15-20 feet off of the ground in the parking lot of the building. The helicopter was air taxied to a grassed field approximately 400 feet away. As the pilot began his takeoff run he approached a row of trees that were approximately 50 feet tall. When the pilot realized that the helicopter was not high enough to clear the tree line, he executed a quick stop maneuver. As the pilot maneuvered the helicopter, the tail rotor became entangled in high vegetation. The helicopter began to spin to the right, and collided with ground, and rolled over onto the left side.

Examination of the helicopter revealed, that the tail boom separated from the fuselage, all main rotor blades were bent and damaged. The left skid was broken and loose.

Review of weather data revealed light winds from the west and a temperature of 79 degrees Fahrenheit with a density altitude of 3274 feet. Review of the FAA rotorcraft flying handbook states: Rapid Deceleration (Quick Stop) should be conducted at an altitude high enough to avoid danger to the tail rotor during flare, but low enough to stay out of the crosshatched or shaded areas of the height/ velocity diagram throughout the maneuver.

Aircraft

Registration
N681BC
Reported as
Hughes TH-55
Category
Helicopter
Serial number
380808
Airframe hours
13,534
Engine
Lycoming 180, 110 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Barry Church
Airworthiness certificate
Standard, Normal
Last inspection
Annual · January 1, 2005 · 229 hours before
Departed
Cornelia, GA
Destination
Cornelia, GA
Airport
AJR · Habersham County

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
59
Injuries
Minor
Certificate
Private
Medical
Class 3, With waivers/limitations
Seat
Front
Flight hours
300 total · 200 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
None
Temperature
77 °F, dew point 48 °F
Altimeter
29.93 inHg
Observed at
GVL, 19 nm away

Docket · 2

The files NTSB released with the investigation on April 6, 2006, on NTSB’s docket system: statements, records, photos and specialists’ reports. 291 KB in all.

FAA reports on this event · 1

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