NTSB CAROL · Event
Event WPR22LA289
Registry · N4493B
FAA Aircraft Registry record.
Make / Model
CESSNA 170B
Year of manufacture
1955 · 67 years old at event
Engine
CONT MOTOR 0-300 SER (145 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19560613
ADS-B equipped
Yes — Mode-S A56ECF
Registrant of record
GRIDLEY TREVOR M
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The student pilot's failure to maintain directional control during the takeoff roll.
Factual narrative
The student pilot in the tailwheel equipped airplane reported that, during the takeoff ground roll he did not apply enough right rudder input to compensate for the propellers asymmetric blade effect. The airplane veered off the left side of the runway and ground looped. The right wing and horizontal stabilizer were substantially damaged. 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).
- — Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Directional control-Not attained/maintained
- — Personnel issues-Task performance-Use of equip/info-Aircraft control-Student/instructed pilot
Verbatim from NTSB's published report. Source file
NTSB_2022_WPR22LA289.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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