- Date
- October 15, 2007, 18:30 local (23:30 UTC)
- Place
- St Cloud, MN
- Injuries
- 3 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N407LLBell 407
- Weather
- Visual (VMC) · Day
- Status
- Completed · report December 20, 2007
- Report
- Approved by Office Director
- Parties
- FAA-Minneapolis FSDO
- FAA report
- 20071015824599A
- Case key
- 67035
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
The pilot's failure to execute a go-around when a normal approach to the intended landing point could not be maintained. An additional cause was the excessive descent rate that developed during the approach. Contributing factors were the tailwind condition and the tree line.
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 pilot reported that he experienced a stuck microphone after takeoff and elected to return to the helipad for landing. He noted that reversing course for landing resulted in a right quartering tailwind on approach. The pilot reported that about 100 feet above ground level (agl), he noticed that the helicopter was not slowing down. His attempt to reduce the ground speed by "slipping" the aircraft was not successful. As the helicopter approached a line of trees, he turned toward an open area; however, the helicopter began to settle in the turn. He applied power in an attempt to reduce the descent rate and pitched up in order to position the helicopter for a hard landing. Although the descent rate began to decrease about 30 feet agl, the helicopter skids impacted the crest of a hill. The pilot added power and brought the helicopter to a hover, before landing near the heliport.
Factual narrative
The helicopter was substantially damaged during a hard landing. The pilot reported that he experienced a stuck microphone after takeoff and elected to return to the helipad for landing. He noted that reversing course for landing resulted in a right quartering tailwind on approach. The pilot reported that about 100 feet above ground level (agl), he noticed that the helicopter was not slowing down. His attempt to reduce the ground speed by "slipping" the aircraft was not successful. As the helicopter approached a line of trees, he turned toward an open area; however, the helicopter began to settle in the turn. He applied power in an attempt to reduce the descent rate and pitched up in order to position the helicopter for a hard landing. Although the descent rate began to decrease about 30 feet agl, the helicopter skids impacted the crest of a hill. The pilot added power and brought the helicopter to a hover, before landing near the heliport. The post accident examination revealed that the skids, lower fuselage and left stabilizer were damaged in the hard landing.
Aircraft
- Registration
- N407LL
- Reported as
- Bell 407
- Category
- Helicopter
- Serial number
- 53561
- Airframe hours
- 2,333
- Engine
- Rolls-Royce 250-C47B, 674 horsepower, turbo shaft
- Damage
- Substantial damage
- Flight
- Part 135
- Operator
- Air Methods, Inc.
- Registered owner
- FCC Equipment Financing Inc.
- Airworthiness certificate
- Standard, Normal
- Last inspection
- AAIP · October 1, 2007
- Departed
- STC · St Cloud, MN
- Destination
- PVT · Buffalo, MN
- Airport
- STC · St Cloud Muni
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 36
- Injuries
- None
- Certificate
- Commercial
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Helicopter
- Medical
- Class 1, Without waivers/limitations
- Last flight review
- October 1, 2007
- Seat
- Right
- Flight hours
- 2,562 total · 202 in this make and model · 1,491 as pilot in command · 60 in the last 90 days · 17 in the last 30 days · 0 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 60° at 8 knots, gusting 18
- Visibility
- 10 statute miles
- Lowest ceiling
- 2,300 ft overcast
- Temperature
- 48 °F, dew point 36 °F
- Altimeter
- 29.94 inHg
- Observed at
- STC
Docket · 1
The files NTSB released with the investigation on November 8, 2007, on NTSB’s docket system: statements, records, photos and specialists’ reports. 693 KB in all.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.