# NTSB CHI94LA086: Aeronca 7AC, N81616, Dowagiac, MI, February 13, 1994 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: February 13, 1994, 13:45 local (18:45 UTC) - Place: Dowagiac, MI - Coordinates: 41.979484, -86.110038 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=41.9795&lon=-86.1100&mi=10 - Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report April 7, 1995 - Report: Approved by Office Director - NTSB case key (mKey): 9468 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI94LA086 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/9468/pdf - Page: https://openairdocs.org/ntsb/CHI94LA086 ## Probable cause FAILURE OF THE PILOT TO MAINTAIN DIRECTIONAL CONTROL, WHICH RESULTED IN AN INADVERTENT GROUND SWERVE. FACTORS RELATED TO THE ACCIDENT WERE: THE PILOT'S LACK OF EXPERIENCE IN THIS MAKE AND MODEL OF AIRCRAFT, THE CROSSWIND, AND SNOW BESIDE THE RUNWAY. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Loss of control - on ground/water, taxi - weather condition - crosswind (contributing factor) - directional control - not maintained, pilot in command (cause) - ground loop/swerve - inadvertent, pilot in command (cause) - lack of total experience in type of aircraft, pilot in command (contributing factor) - Nose over, other - terrain condition - snow covered (contributing factor) ## Analysis THE PILOT SAID HE DECIDED TO PRACTICE A TAXI RUN ON RUNWAY 27 BEFORE TAKEOFF. HE SAID THAT DURING THE TAXI RUN, HE APPLIED ABOUT 50 PERCENT OF THE ENGINE POWER, AND THE AIRPLANE'S TAILWHEEL LIFTED OFF THE GROUND. THE PILOT SAID THAT WHEN THE TAIL LIFTED OFF, THE AIRPLANE VEERED TO THE RIGHT TOWARD A (RUNWAY) LIGHT AND A SNOW BANK. HE SAID HE REDUCED POWER AND CORRECTED WITH RUDDER, BUT THEN TO AVOID A COLLISION, HE '. . . LIFTED THE AIRCRAFT OVER . . .' THE SNOWBANK. AFTER THE AIRCRAFT CLEARED (HOPPED OVER) THE SNOWBANK, IT SETTLED INTO SNOW AND NOSED OVER. ACCORDING TO THE PILOT, THE WIND WAS FROM THE SOUTH AT 5 TO 10 KNOTS WITH GUSTS TO 12 KNOTS. HE HAD ONLY ABOUT 6 HOURS IN THIS MAKE AND MODEL OF AIRCRAFT. ## Factual narrative On February 13, 1994, at 1345 eastern standard time (est), an Aeronca 7AC, N81616, registered to John C. Amundson of Hartford, Michigan, and piloted by a commercially certificated pilot, was substantially damaged during its takeoff roll on Runway 27 (4,700' X 100' dry asphalt) at the Dowagiac Municipal Airport, Dowagiac, Michigan. The airplane collided with a snowbank and nosed over. Visual meteorological conditions prevailed at the time of the accident. The 14 CFR Part 91 flight was not operating under a flight plan. The pilot reported no injuries. The flight departed Dowagiac, Michigan, at 1342 est. According to the pilot's written statement on NTSB Form 6120.1/2, he decided to practice taxiing before flight. During the taxi practice, the pilot said he applied about 50 percent power and "...full aileron deflection..." to the left. The pilot said that shortly after doing this the tailwheel lifted off the runway surface and the airplane veered to the right. The pilot stated the wind was coming from approximately 180 degrees and had a speed between five and ten knots with gusts to twelve knots. The pilot said he reduced power and "...attempted to correct with rudder..." as the airplane headed for a snowbank at the runway's edge. He stated he "...lifted the aircraft over..." the snowbank As the airplane cleared the snowbank, the pilot said it settled into snow and nosed over. ## Aircraft - Registration: [N81616](https://openairdocs.org/aircraft/N81616), registered now, S/N 7AC-222 (OpenAirDocs) - Reported make and model: AERONCA 7AC - Registry model: [Aeronca 7AC](https://openairdocs.org/model/aeronca-7ac) (registry code 2110102) (OpenAirDocs) - Registry engine: [Continental A&C65 series](https://openairdocs.org/engine/continental-a-c65-series) (registry code 17003, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 222 - Airframe hours: 3451 - Engines: CONTINENTAL A-65 65 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Larry T. Councell - Registered owner: John C. Amundsen - Airworthiness certificate: Standard, Utility - Last inspection: 100 hour, September 17, 1993 - Departed: C91 - Airport: C91, Dowagiac Municipal, runway 27, 4,000 × 100 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 20; flight instructor, commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 375 total, 6 in this make and model, 300 as pilot in command, 20 in the last 90 days, 15 in the last 30 days, 1 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 190° at 10 knots, gusting 12 - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 41 °F, dew point 27 °F - Altimeter: 30.00 inHg - Observed at: BEH, 16 nm away From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.