Boeing Helicopters Div. 369D accident near Inverness, MS
On February 23, 2001, a Boeing Helicopters Div. 369D (helicopter) was involved in an accident near Inverness, MS. 1 person died.
- Date
- February 23, 2001
- Place
- Inverness, MS
- Aircraft
- Boeing Helicopters Div. 369D · Helicopter
- Injuries
- 1 fatal, 0 serious, 0 minor
- Damage
- —
- Position
- 33.350°N, 90.590°W
- NTSB ID
- 20010301X00525
NTSB summary
On February 23, 2001, about 1300 central standard time, a Boeing 369D, N58377, registered to Helicopteros Atuneros, Inc., operated by Air #2, LLC, as a Title 14 CFR Part 133, power line tower inspection flight, suffered a lineman fall to his death near Inverness, Mississippi. Visual meteorological conditions prevailed and a visual flight rules flight plan was filed. The commercially rated helicopter pilot was not injured, and the rotorcraft was not damaged. The flight departed the Indianola Airport about 0800, and was staging out of a landing zone named LZ 397. The most recent departure of the helicopter was from LZ 397 at 1130. According to an FAA inspector, it was the company's procedure to in-flight transfer the safety tethered lineman from the helicopter's external platform to the powerline pole or structure using the same sequential procedure every time. The procedure was: (1) the lineman transfers the static discharge ground cable and clamp from a canvas pouch mounted on the helicopter platform to the pole or structure, (2) he unplugs his intercom, (3) he unfastens his lapbelt connected to the platform, (4) he transfers to the pole using his pole climbing spikes to hold his weight, (5) he transfers his safety harness fitting from the helicopter to the pole, (6) he stows the static discharge cable back into the pouch. When the pilot sees the static cable returned to the canvas pouch, that is his cue to back the helicopter away. Somehow the sequence got interrupted, the helicopter backed away while the lineman was still tethered to the aircraft, pulling him off the stru
Probable cause
The lineman's failure to use the designed attachment point for securing his safety harness to the helicopter, resulting in overload and failure of the component he did attach to. A factor in the accident was the lineman's failure to follow exact sequential procedures for performing the in-flight transfer from rotorcraft to structure, resulting in his being dragged off the structure by the retreati
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Browse: Mississippi
Source: NTSB aviation accident database (US government, public domain). Findings may be preliminary or later revised by the NTSB. Not a complete global record.
