NTSB CAROL · Event
Event WPR25LA033
Registry · N1977C
FAA Aircraft Registry record.
Make / Model
CESSNA 170B
Year of manufacture
1953 · 71 years old at event
Engine
CONT MOTOR C145 SERIES (145 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19551031
ADS-B equipped
Yes — Mode-S A1857C
Registrant of record
BERQUAM PAUL
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.
Factual narrative
The pilot of the tailwheel-equipped airplane reported that during a touch-and-go maneuver, the airplane veered left, and he corrected with right rudder pedal input. However, the airplane continued to veer left, and the pilot closed the throttle and applied the brakes. Subsequently, the airplane ground looped and the right wing impacted the ground, which resulted in substantial damage to the right wing and aileron. The pilot stated that about 15 minutes after the accident the wind report showed a quartering tailwind. The pilot 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
Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).
- — Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot
- — Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Directional control-Not attained/maintained
- — Environmental issues-Conditions/weather/phenomena-Wind-Tailwind-Effect on operation
Verbatim from NTSB's published report. Source file
NTSB_2024_WPR25LA033.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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