- Date
- December 6, 2003, 10:30 local (16:30 UTC)
- Place
- Highmore, SD
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N7543EClement-Kazmierczak Sorrell SNS-7
- Weather
- Visual (VMC) · Day
- Status
- Completed · report June 2, 2004
- Report
- Approved by Office Director
- Parties
- FAA-Rapid City FSDO
- FAA report
- 20031206032419A
- Case key
- 58487
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 unsuitable terrain for landing encountered by the pilot. Contributing factors were the grass runway surface and the snowbank.
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 amateur-built experimental biplane was substantially damaged when it hit a snow bank and nosed over during landing. The pilot reported that prior to the flight he contacted the owner of the private grass strip to verify runway condition. The owner reportedly indicated that the runway was acceptable for use. The pilot noted that upon arrival the wind was from the southeast about 10 miles per hour. He stated that he set-up and landed to the south. "After landing, I hit a small snowdrift, added power and the plane nosed over," according to the pilot. He reported no failures or malfunctions with the aircraft or engine prior to the accident.
Factual narrative
On December 6, 2003, at 1030 central standard time, an amateur-built experimental biplane Clement-Kazmierczak Sorrell SNS-7 airplane, N7543E, piloted by a private pilot, was substantially damaged when it hit a snow bank and nosed over during landing. The accident occurred at a private airstrip (2,500 feet by 75 feet, turf) approximately 15 miles north of Highmore, South Dakota. Visual meteorological conditions prevailed at the time. The flight was operating under 14 CFR Part 91 and was not on a flight plan. The pilot and passenger reported no injuries. The flight departed the Converse County Airport, Douglas, Wyoming, at 0715 mountain standard time, with the private airstrip as the intended destination.
In his written statement, the pilot reported that prior to the flight he contacted the owner of the private grass strip to verify runway condition. The owner reportedly indicated that the runway was acceptable for use. The pilot noted that upon arrival the wind was from the southeast about 10 miles per hour. He stated that he set-up and landed to the south. "After landing, I hit a small snowdrift, added power and the plane nosed over," according to the pilot.
The pilot reported no failures or malfunctions with the aircraft or engine prior to the accident.
Aircraft
- Registration
- N7543E
- Reported as
- Clement-Kazmierczak Sorrell SNS-7
- Category
- Airplane, amateur-built
- Serial number
- 247
- Airframe hours
- 727
- Engine
- Lycoming O-360-A1A, 180 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Airworthiness certificate
- Special, Experimental (Special)
- Last inspection
- Condition · November 14, 2003 · 13 hours before
- Departed
- DGW · Douglas, WY
- Destination
- PVT · Highmore, SD
- Airport
- PVT, runway 18, 2,500 × 75 ft, grass/turf
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 51
- Injuries
- None
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, Valid Medical--w/ waivers/lim
- Last flight review
- October 20, 2003
- Seat
- Left
- Flight hours
- 3,123 total · 553 in this make and model · 3,123 as pilot in command · 42 in the last 90 days · 17 in the last 30 days · 2 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 140° at 21 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- None
- Temperature
- 34 °F, dew point 18 °F
- Altimeter
- 29.85 inHg
- Observed at
- PIR, 48 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.