- Date
- July 21, 2001, 17:00 local (22:00 UTC)
- Place
- Wautoma, WI
- Injuries
- 1 minor
- Damage
- Substantial damage
- Phase of flight
- Other
- Aircraft
- N6116SAnderson Revelation
- Weather
- Visual (VMC) · Day
- Status
- Completed · report April 1, 2003
- Report
- Approved by Office Director
- Parties
- Federal Aviation Administration - Milwaukee FSDO
- FAA report
- 20010721018999A
- Case key
- 52904
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 maintain airspeed, resulting in a stall. An inadequate pitch setting of the propeller is a contributing factor.
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
Prior to the accident flight, which was the experimental homebuilt airplane's second flight since certification, the propeller was adjusted to a finer setting to achieve the desired static engine rpm. The pilot stated that after the takeoff during the accident flight, the airplane did not accelerate normally when out of ground effect and would not climb above approximately 30 feet. The pilot reported that there was not enough runway remaining to land and he started a shallow right turn to keep over the airport area. The pilot reported, "While maintaining 60 mph IAS [indicated airspeed] in a shallow bank, the wing stalled & I was unable to recover before impact with a corn field. The plane hit the ground with right wing about 30 [degrees] low and 20-30 [degrees] nose low." No anomalies were found with the airframe or its engine that could be associated with any pre-impact condition.
Factual narrative
On July 21, 2001, at 1700 central daylight time, an amateur-built Anderson Revelation, N6116S, piloted by a commercial pilot, sustained substantial damage during an in-flight collision with the terrain following a loss of control during initial climb from runway 08 (2,280 feet by 175 feet, dry/turf) at the Wautoma Municipal Airport, Wautoma, Wisconsin. Visual metrological conditions prevailed at the time of the accident. The test flight was conducted under the provisions of 14 CFR Part 91 and was not on a flight plan. The pilot, the sole occupant, reported minor injuries. The local flight was departing at the time of the accident.
According to the pilot, the airplane was recently certified as an amateur-built aircraft and was departing on its second flight since certification. The pilot reported that during the first flight the engine tachometer was reading 1,000 rpm lower than the specified range. The pilot stated that subsequent to the first flight the propeller blade pitch was adjusted to a finer setting to achieve the desired static engine rpm.
According to the pilot, on the second flight, the airplane did not accelerate normally when out of ground effect and would not climb above approximately 30 feet. The pilot reported that there was not enough runway remaining to land and he started a shallow right turn to keep over the airport area. The pilot reported, "While maintaining 60 mph IAS [indicated airspeed] in a shallow bank, the wing stalled & I was unable to recover before impact with a corn field. The plane hit the ground with right wing about 30 [degrees] low and 20-30 [degrees] nose low."
No anomalies were found with the airframe or its engine that could be associated with any pre-impact condition.
Aircraft
- Registration
- N6116S
- Reported as
- Anderson Revelation
- Category
- Airplane, amateur-built
- Serial number
- RE00/0001
- Airframe hours
- 0
- Engine
- Rotax 618, 75 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Flight test · Part 91
- Registered owner
- Peter J. Anderson
- Airworthiness certificate
- Special, Experimental (Special)
- Last inspection
- Condition · July 1, 2001 · 0 hours before
- Departed
- Y50 · Wautoma, WI
- Destination
- Y50 · Wautoma, WI
- Airport
- Y50 · Wautoma Municipal Airport, runway 08, 2,280 × 175 ft, grass/turf
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
- 47
- Injuries
- Minor
- Certificates
- Commercial, Flight instructor
- Airplane ratings
- Single-engine land, Multi-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Last flight review
- January 27, 2000
- Seat
- Left
- Flight hours
- 4,500 total · 35 in this make and model · 4,500 as pilot in command · 250 in the last 90 days · 90 in the last 30 days · 5 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 120° at 6 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- None
- Temperature
- 88 °F, dew point 75 °F
- Altimeter
- 29.85 inHg
- Observed at
- OSH, 32 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.