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GAA18CA257

2018-05-06 · Warrenton, Virginia, United States · None · 1 aircraft · Status: Completed

Airport HWY

Current FAA registration · N83581

Make / Model
AERONCA 7AC
Year of manufacture
1946 · 72 years old at event
Engine
CONT MOTOR A&C65 SERIES (65 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
19560712
ADS-B equipped
Yes — Mode-S AB6E77

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

The pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack during the takeoff initial climb, which resulted in an aerodynamic stall.

Factual narrative

According to the flight instructor in the tailwheel-equipped airplane, the purpose of flight was to provide a "proficiency check" for the pilot in the front seat. The pilot was on the controls and had landed the airplane after accomplishing one pattern. During the takeoff, about 5ft AGL, the airplane's right-wing "went down" and the pilot applied left stick, but the airplane struck the ground. During an interview with the National Transportation Safety Board Investigator-in-charge, the instructor reported that he believed that the airspeed was too slow during the takeoff climb and that the airplane stalled. The airplane sustained substantial damage to the right-wing lift struts. The METAR at the airport reported that about the time of the accident, the wind was reported as being from 02° at 4 knots. The pilots used runway 15. The pilot and instructor reported that there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation. According to the flight instructor in the tailwheel-equipped airplane, the purpose of flight was to provide a "proficiency check" for the pilot in the front seat. The pilot was on the controls and landed the airplane after accomplishing one pattern. During the subsequent takeoff, about 5 ft above ground level, the airplane's right wing "went down," and the pilot applied left stick, but the airplane struck the ground. During an interview with the National Transportation Safety Board investigator-in-charge, the instructor reported that he believed that the airspeed was too slow during the takeoff climb and that the airplane stalled. The airplane sustained substantial damage to the right-wing lift struts. The METAR at the airport reported that, about the time of the accident, the wind was from 20° at 4 knots. The pilots used runway 15. The pilot and instructor reported that there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12

NTSB Findings

FAA avdata. C = Cause, F = Factor.

  • C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Angle of attack-Not attained/maintained - C
  • C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Airspeed-Not attained/maintained - C
  • C Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot - C

Verbatim from NTSB's published report. Source file NTSB_2018_GAA18CA257.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

Matched on aircraft type or causal vocabulary (stall). All research papers