CHI07CA155

NTSB accident investigation · Champion 7EC · Sioux Falls, SD · May 25, 2007

Accident · No injuriesData collectionFinal report
Date
May 25, 2007, 08:10 local (13:10 UTC)
Place
Sioux Falls, SD
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N9904YChampion 7EC
Weather
Visual (VMC) · Day
Status
Completed · report June 27, 2007
Report
Approved by Office Director
Parties
Rapid City, SD FSDO
FAA report
20070525020189A
Case key
65855

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilot's inadequate compensation for the wind conditions and the excessive pull-up during the initial takeoff climb which resulted in the stall. A factor associated with the accident was the crosswind condition.

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.

Loss of control - in flightTakeoff - initial climb
Weather condition - crosswindFactor
Compensation for wind conditions - inadequatePilot in commandCause
Pull-up - excessivePilot in commandCause
Stall - inadvertentPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

The airplane impacted the terrain following a loss of control of takeoff. The accident occurred on the pilot's 1,000 foot long private grass airstrip. The pilot reported that the winds were calm when he landed approximately one hour prior to the accident. He stated he checked the windsock prior to takeoff and it was indicating that the winds had increased and there was a left crosswind. The pilot reported the wind at the south end of the runway was stronger than what the wind sock was indicating, and the airplane veered to the right on takeoff because he "...did not correct adequately for the wind." The pilot reported that his altitude was lower than normal and he pulled up to avoid a fence at the end of the property. He stated the airplane stalled and the nose dropped. The airplane impacted the terrain and came to rest about 60 feet from the right side of the airstrip.

Factual narrative

On May 25, 2007, at 0810 central daylight time, a Champion 7EC, N9904Y, collided with the terrain following a loss of control during takeoff from a private airstrip in Sioux Falls, South Dakota. The commercial pilot and passenger were not injured. The airplane was substantially damaged. The 14 CFR Part 91 personal flight was operating in visual meteorological conditions without a flight plan. The flight was originating at the time of the accident with a destination of Pipestone, South Dakota.

The accident occurred on the pilot's 1,000 foot long private grass airstrip. The pilot reported that the winds were calm when he landed approximately one hour prior to the accident. He stated he checked the windsock prior to takeoff and it was indicating that the winds had increased and there was a left crosswind. The pilot reported the wind at the south end of the runway was stronger than what the wind sock was indicating, and the airplane veered to the right on takeoff because he "...did not correct adequately for the wind." The pilot reported that his altitude was lower than normal and he pulled up to avoid a fence at the end of the property. He stated the airplane stalled and the nose dropped. The airplane impacted the terrain and came to rest about 60 feet from the right side of the airstrip.

Aircraft

Registration
N9904Y
Reported as
Champion 7EC
Category
Airplane
Serial number
7EC-755
Engine
Continental C90-12F, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Alan W. Amdahl
Airworthiness certificate
Standard, Normal
Departed
PVT · Sioux Falls, SD
Destination
PQN · Pipestine, SD

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
49
Injuries
None
Certificate
Recreational
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3
Flight hours
1,100 total · 27 in this make and model · 1,000 as pilot in command · 30 in the last 90 days · 15 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
160° at 5 knots, gusting 15
Visibility
10 statute miles
Lowest ceiling
None
Temperature
52 °F, dew point 43 °F
Altimeter
29.97 inHg

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 N9904Y · 1

Matched to the same aircraft by N-number and date.