NTSB GAA18CA354 — 2018-06-15 · WAUKEGAN, Illinois, United States

Current FAA registration · N52107

Make / Model: BOEING B75N1
Year of manufacture: 1941 · 77 years old at event
Engine: CONT MOTOR W670 SERIES (250 hp)
Seats / Engines: 2 seats · 1 engine
Last airworthiness date: 19940713
ADS-B equipped: Yes — Mode-S A68F1D

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N52107 Boeing B75 None

Probable cause & findings

The flight instructor’s improper landing flare, which resulted in a bounced landing and subsequent loss of directional control.

Factual narrative

The flight instructor reported that, during an instruction flight, the radio and intercom failed. The instructor returned to the airport and received a green light from the tower air traffic controller to land. During touchdown, the airplane "ballooned," touched down again, and then veered to the right and ground looped. The airplane sustained substantial damage to the left wing. The instructor reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The pilot did not submit the NTSB Form 6120.1 Pilot/Operator Aircraft Accident/Incident Report. The flight instructor reported that, during an instructional flight, the radio and intercom failed. The instructor returned to the airport and received a green light from the tower air traffic controller to land. During touchdown, the airplane "ballooned," touched down again, and then veered right and ground looped. The airplane sustained substantial damage to the left wing. The instructor reported that there were no preaccident mechanical failures or malfunctions 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-Pitch control-Not attained/maintained - C
C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Airspeed-Not attained/maintained - C
C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Directional control-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_GAA18CA354.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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