MIA99LA200

NTSB accident investigation · Bell OH-13H/M74A · Sparta, GA · July 22, 1999

Accident · No injuriesLimited investigationFinal report
Date
July 22, 1999, 19:45 local (23:45 UTC)
Place
Sparta, GA
Injuries
1 uninjured
Damage
Destroyed
Phase of flight
Takeoff
Aircraft
N51857Bell OH-13H/M74A
Weather
Visual (VMC) · Day
Status
Completed · report November 2, 2000
Report
Approved by Office Director
FAA report
19990722009589A
Case key
46846

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 which resulting in his failure to remove all the tie downs, and the subsequent impact with the ground.

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.

On ground/water encounter with terrain/waterTakeoff
Aircraft preflight - inadequatePilot in commandCause
Diverted attentionPilot in command
Tie down - not removedPilot in commandCause

Analysis

The pilot stated that during his preflight he had only untied the right side of the helicopter, when a ground crew member wanted his assistance. When he finished with him he entered the helicopter on the right side and forgot to check all the tie downs. He started the helicopter and attempted to takeoff with the left side still hooked to the trailer. When the left back spray came loose the tail popped up an the main rotor blades struck the ground. The pilot cut the throttle an laid the helicopter on the right side. The pilot did not report any mechanical difficulties with the helicopter.

Factual narrative

On July 22, 1999, about 1945 eastern daylight time, a Bell OH-13H/M74A helicopter, N51857, registered to Roland Air Chemical Inc., was substantially damaged during liftoff, near Sparta, Georgia. The commercial-rated pilot reported no injuries. Visual meteorological conditions (VMC) prevailed in the vicinity, and no flight plan had been filed. The aerial application flight was being conducted in accordance with Title 14 CFR Part 137. The flight was originating at the time of the accident.

The pilot stated that during his preflight he "...unhooked the right side of the helicopter...when my chemical man call[ed] and wanted my assistance. When I finished with him I went an got in on the right side of the helicopter, an forgot to check all the tie downs...cranked up and tried to take off with the left side still hooked [to] the helicopter...it was still [attached] to the trailer. When the left back spray came loose the tail pop[ed] up an the main rotor blades struck the ground. When that happened I cut the throttle an laid it on the right side." The pilot did not report any mechanical difficulties with the helicopter.

Aircraft

Registration
N51857
Reported as
Bell OH-13H/M74A (OH-13H/M74)
Category
Helicopter
Serial number
78-024
Engine
Lycoming TVO-435-F1A, 280 horsepower, reciprocating
Damage
Destroyed
Flight
Aerial application · Part 137
Registered owner
Roland Air Chemical
Airworthiness certificate
Special, Restricted (Special)

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
52
Certificate
Commercial
Medical
Unknown, Unknown
Seat
Center
Flight hours
945 total · 100 in this make and model · 100 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
8 statute miles
Lowest ceiling
None
Temperature
93 °F, dew point 77 °F
Altimeter
30.00 inHg
Observed at
AGS, 40 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.