- Date
- September 21, 1990, 09:15 local (16:15 UTC)
- Place
- Cloverdale, CA
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N700TVAerospatiale AS350B
- Weather
- Visual (VMC) · Day
- Status
- Completed · report December 30, 1992
- Report
- Approved by Office Director
- FAA report
- 19900921044119A
- Case key
- 26936
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 improper procedure employed by the student pilot. Contributing to the accident was failure of the CFI to adequately guard the flight controls to apply timely corrective actions.
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
An aerospatiale AS350B helicopter landed hard while practicing hovering autorotations. The CFI indicated that the student pilot was on the controls and abruptly lowered the collective control during the last hovering autorotation. The helicopter landed hard. The CFI also indicated that he failed to adequately guard the collective control during the last hovering autorotation.
Aircraft
- Registration
- N700TV
- Reported as
- Aerospatiale AS350B
- Category
- Helicopter
- Serial number
- 1838
- Airframe hours
- 1,756
- Engine
- Turbomeca ARRIEL 1B, 641 horsepower, turbo shaft
- Damage
- Substantial damage
- Flight
- Instructional · Part 91
- Operator
- Resort Aviation
- Registered owner
- Iats
- Airworthiness certificate
- Standard, Utility
- Departed
- 209 · Clear Lake, CA
- Airport
- O60 · Cloverdale
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 44
- Certificates
- Flight instructor, Commercial
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Flight hours
- 3,532 total · 81 in this make and model · 3,237 as pilot in command
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 270° at 8 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- None
- Temperature
- 75 °F
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.