- Date
- July 19, 1987, 11:30 local (17:30 UTC)
- Place
- Red Lodge, MT
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Standing
- Aircraft
- N48184Aerospatiale SA316B
- Weather
- Visual (VMC) · Day
- Status
- Completed · report May 9, 1988
- Report
- Approved by Office Director
- FAA report
- 19870719041159A
- Case key
- 17274
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
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.
Analysis
The plt said he was getting ready to take off from a 9400-FT MSL landing zone a top a mountain 7 mi ssw of Red Lodge, MT. The plat said the helicopter was positioned on a slight north-south slope and pointed towards the west. The wind was from the south gusting to aprx 30 to 40 KTS. The plt said the eng was running and he was about to engage the main rotor. The wind suddenly pitched the helicopter up laterally, left to right, and blew it over on its side.
Aircraft
- Registration
- N48184
- Reported as
- Aerospatiale SA316B
- Category
- Helicopter
- Serial number
- 1906
- Airframe hours
- 4,826
- Engine
- Turbomeca ARTOUSTE 111B, 562 horsepower, turbo shaft
- Damage
- Substantial damage
- Flight
- Other work use · Part 133
- Operator
- Pegasus Helicopters, Inc.
- Registered owner
- Roberts Aircraft Company
- Airworthiness certificate
- Standard, Normal
- Last inspection
- 100 hour · June 29, 1987 · 34 hours before
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
- 39
- Certificate
- Commercial
- Airplane ratings
- Single-engine land, Multi-engine land
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Right
- Flight hours
- 11,127 total · 3,000 in this make and model
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 180° at 35 knots, gusting 45
- Visibility
- 120 statute miles
- Lowest ceiling
- None
- Temperature
- 50 °F
- Altimeter
- 29.00 inHg
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N48184 · 1
Matched to the same aircraft by N-number and date.