Home' Heliweb Magazine : Heliweb Magazine October 2014 Contents 28 heliweb.com
NTSB Identification: *CEN14LA412*
Date: August 07, 2014
Location: Tomah, WI
Aircraft: ENSTROM F 28F
Injuries: 1 Serious.
On August 7, 2014, about 1030 central daylight time, an
Enstrom F-28F helicopter was substantially damaged when
the pilot executed a precautionary landing in a cornfield
after experiencing difficulties near Tomah, Wisconsin. The
pilot reportedly felt a vibration in the cyclic control and
experienced an “irregular” running engine before electing
to land immediately. He was seriously injured.The helicopter
was under the provisions of 14 Code of Federal Regulations
Part 137 as an aerial application flight. Visual meteorological
conditions prevailed for the flight, which was not operated
on a flight plan. The local flight originated from the loading
site about one-half mile from the accident site.
A postaccident examination did not reveal any preimpact
anomalies with respect to the flight control system. An
engine examination is pending.
NTSB Identification: *WPR14LA341*
Date: August 11, 2014
Location: Idaho Falls, ID
Aircraft: McDonnell Douglas Helicopter 500N
Injuries: 3 Uninjured.
On August 11, 2014, about 2000 mountain daylight time,
a McDonnell Douglas Helicopter 500N was substantially
damaged when it impacted terrain during takeoff from a
private residence near Idaho Falls, Idaho. The private pilot and
his two passengers were not injured. Visual meteorological
conditions prevailed and no flight plan was filed for the local
flight which was originating at the time of the accident.
The pilot reported that during takeoff from a private residence,
the helicopter was about 40 to 50 feet above ground level
(agl) when he lost tail rotor control. The helicopter banked
to the left and immediately began to rotate. The pilot stated
that despite his control inputs, he lost control of the helicopter
and it impacted the ground.
Examination of the helicopter by local law enforcement
revealed that the helicopter came to rest on its right side. The
main rotor blades, fuselage, and tailboom were damaged.
The helicopter was recovered to a secure location for further
NTSB Identification: *WPR14LA340*
Date: August 11, 2014
Location: Darrington, WA
Aircraft: HUGHES 269C
Injuries: 1 Minor.
On August 11, 2014, about 1130 Pacific daylight time (PDT),
a Hughes 269C helicopter impacted terrain following a partial
loss of engine power near Darrington, Washington. The
airline transport pilot sustained minor injuries; the helicopter
sustained substantial damage by impact forces. The cross-
country personal flight departed Washington, about 0815,
with a planned destination to return. Visual meteorological
conditions prevailed, and no flight plan had been filed.
The pilot reported that during a flight in the rented
helicopter he was descending out of 5,000 feet, and as he
approached 4,000 feet, he increased collective. He noticed
that the engine was slowing down and he was unable to
recover the engine rpm to a normal range. The helicopter
continued to descend until the pilot entered an autorotation.
The helicopter impacted a tree about 30 feet high and then
came to rest in a small stream.
The pilot stated he did not believe the engine ever quit, but
the engine would not produce enough power to continue
The helicopter was recovered on August 12, 2014 and
examined by FAA inspectors and assisted by SFS personnel
who found that the throttle mount bracket was hanging
by the throttle cable linkage and not secured to the servo
mount studs as it should have been. This would cause the
loss of throttle movement for acceleration.
The operator stated that the engine had recently been
installed, about 10 flight hours prior to the accident.
NTSB Identification: *CEN14LA423*
Date: August 12, 2014
Location: MANSFIELD, IL
Aircraft: BELL 47G 5
Injuries: 1 Fatal.
On August 12, 2014, about 1045 central daylight time, a
Bell 47G-5 helicopter impacted a powerline and terrain near
Mansfield, Illinois. The pilot, who was the sole occupant,
sustained fatal injuries. The helicopter’s main rotor and
fuselage was substantially damaged. The helicopter was
under the provisions of 14 Code of Federal Regulations Part
137 as an aerial application flight. Day visual flight rules
conditions prevailed for the flight, which did not operate
on a flight plan. The local flight originated from Mansfield,
Illinois, at time unknown.
NTSB Identification: *ERA14FA396*
Date: August 19, 2014
Location: Northport, AL
Aircraft: McDonnell Douglas Helicopter 369E
Injuries: 2 Fatal.
On August 19, 2014, about 1100 central daylight time, a
McDonnell Douglas 369E was substantially damaged when
it impacted a utility wire and terrain while maneuvering
near Northport, Alabama. The commercial pilot and the
passenger were fatally injured. Visual meteorological
conditions prevailed, and a company flight plan was filed
for the local flight, which originated from Tuscaloosa Regional
Airport (TCL), Tuscaloosa, Alabama, about 1030. The aerial
observation flight was conducted under the provisions of
14 Code of Federal Regulations Part 91.
According to the operator, on the morning of the accident
flight, the pilot was requested to relocate the helicopter
from Mobile, Alabama, to Tuscaloosa. Once in Tuscaloosa,
the pilot fueled the helicopter and picked up the passenger/
observer before departing on the accident flight. The purpose
of the flight was to inspect a span of high-tension power
lines for damage from a storm that had passed through the
area the previous night.
About 1025, the pilot submitted a company flight plan via
email, and according to satellite tracking data, departedTCL
about 1030. The helicopter’s location, altitude, groundspeed,
and direction of travel were subsequently reported to the
operator every 5 minutes, as it initially flew east, intercepted
the powerline span to be inspected, and then proceeded
north along the span. The final reported position was
recorded at 1100, at a GPS altitude of 457 feet, a groundspeed
of 32 knots, and a track of 27 degrees true. At that time, the
helicopter was positioned over the western edge of the
easement through which the powerlines ran.
About 1130, the power company contacted the operator and
reported an additional fault with the transmission lines the
accident helicopter was tasked with inspecting, and believed
that the fault may be associated with the helicopter. The
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