ATL94LA144

NTSB accident investigation · Hiller UH-12E · Hephzibah, GA · July 24, 1994

Accident · No injuriesLimited investigationFinal report
Date
July 24, 1994, 13:00 local (17:00 UTC)
Place
Hephzibah, GA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N4030SHiller UH-12E
Weather
Visual (VMC) · Day
Status
Completed · report November 14, 1994
Report
Approved by Office Director
FAA report
19940724019109A
Case key
3422

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 inadequate preflight of the aircraft, resulting in fuel exhaustion, and his improper flare of the helicopter during the autorotation, resulting in a hard landing.

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.

Loss of engine power(total) - nonmechanicalCruise
Fluid,fuel - exhaustionCause
Aircraft preflight - inadequatePilot in commandCause
Forced landingDescent - uncontrolled
Hard landingLanding - flare/touchdown
Flare - improperPilot in commandCause

Analysis

The commercial ag pilot was about 5 minutes into his flight when the engine lost power and quit. During the autorotation, the helicopter landed hard, and the tail boom contacted the ground. The pilot reported that he began the flight with about 10 gallons of fuel, which he measured with a dip stick that he carried in the cockpit. He stated that the expected fuel consumption was about 15 gallons per hour. The fuel system survived the accident intact. FAA inspectors found no evidence of fuel in the tank or in the lines. The fuel gauge indicated empty.

Factual narrative

On July 24, 1994, at 1300 eastern daylight time, a Hiller UH-12E, N4030S, was substantially damaged following an engine power loss and autorotation in Hephzibah, Georgia. The commercial pilot was not injured. The helicopter was operated under 14 CFR Part 137 by Custom Air Brewton, Inc. of Brewton, Alabama. Visual meteorological conditions existed at the time, and no flight plan was filed for the aerial application flight. The flight originated in Wrens, Georgia at 1255.

The pilot reported that he had completed spraying operations at one site, and was in transit to another field (an estimated 6 to 8 minute flight). He estimated his fuel on board to be about 10 gallons. He used a dip stick that he carried in the cockpit to gauge the fuel quantity. He also reported that the normal fuel consumption was about 15 gallons per hour. During low altitude cruise, about 5 minutes into the flight, the engine lost power and quit. An autorotation was attempted. The helicopter landed hard, and the tail rotor contacted the ground.

Inspectors from the Federal Aviation Administration visited the accident site and inspected the helicopter. They reported that the aircraft fuel system was not damaged, and that there was no evidence of fuel in the tank or in any fuel line. The fuel quantity gauge indicated empty.

Aircraft

Registration
N4030S
Reported as
Hiller UH-12E
Category
Helicopter
Serial number
HA-3082
Engine
Lycoming VO-540-C2A, 305 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Operator
Custom Air Brewton, Inc.
Registered owner
Custom Air Brewton, Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · January 11, 1994
Departed
NONE · Wrens, GA

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
31
Certificate
Commercial
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Center
Flight hours
2,450 total · 725 in this make and model · 100 in the last 90 days · 40 in the last 30 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
250° at 4 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
88 °F, dew point 75 °F
Altimeter
30.00 inHg
Observed at
AGS, 8 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.