- Date
- January 19, 1991, 10:05 local (18:05 UTC)
- Place
- Princeton, OR
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N75070Schweizer Hughes 269C
- Weather
- Visual (VMC) · Day
- Status
- Completed · report May 7, 1993
- Report
- Approved by Office Director
- FAA report
- 19910119001709A
- Case key
- 41383
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 NTSB’s determination of the probable cause, and any contributing factors.
The pilot's attempt to hover out of ground effect at a density altitude and gross weight in tailwind weather conditions that exceeded the aircraft performance limits. Factors relating to the accident were the high density altitude and tailwind weather conditions.
Analysis
The pilot was hovering out of gnd effect in high alt mount terrain and tailwind wx conditions when the acft lost rotor RPM with full power applied. The acft descended uncontrolled and impacted terrain.
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.
Aircraft
- Registration
- N75070
- Reported as
- Schweizer Hughes 269C (HUGHES 269)
- Category
- Helicopter
- Serial number
- S1404
- Engine
- Lycoming HIO-360-DIA, 190 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Fredrick R. Teufel
- Registered owner
- Fredrick R. Teufel
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
- 54
- Certificate
- Commercial
- Airplane ratings
- Multi-engine land, Single-engine sea, Single-engine land
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Flight hours
- 4,764 total · 1,460 in this make and model · 32 in the last 90 days · 30 in the last 30 days · 7 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 20° at 10 knots, gusting 20
- Visibility
- 40 statute miles
- Lowest ceiling
- None
- Temperature
- 36 °F, dew point 16 °F
- Altimeter
- 30.00 inHg
- Observed at
- BNO, 60 nm away
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 N75070 · 1
Matched to the same aircraft by N-number and date.