NTSB CAROL · Event
Event WPR13CA146
Registry · N29969
FAA Aircraft Registry record.
Make / Model
WACO UPF-7
Engine
CONT MOTOR W670 SERIES (250 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
19560716
ADS-B equipped
Yes — Mode-S A31A35
Registrant of record
TWILIGHT AVIATION LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's failure to adequately compensate for crosswind conditions, which resulted in a loss of directional control during the landing roll.
Factual narrative
The pilot stated that he was performing touch-and-go landings in light and variable wind at 5 knots. During a landing roll, with the tail wheel on the runway, a puff of wind from the east caused the tail to swing around. The pilot added power in an attempt to regain directional control, when the right wing touched the runway and the airplane impacted a taxiway intersection sign. The airplane's wing spars were structurally damaged and the upper right wing tip was crushed. The pilot stated that there were no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation. The pilot reported that, during the landing roll in light and variable wind, a “puff” of wind from the east caused the tail, which was on the runway, to swing around. The pilot added power in an attempt to regain directional control; however, he did not apply power soon enough. The right wing touched the runway, and the airplane impacted a taxiway intersection sign. The airplane's wing spars were structurally damaged, and the upper right wing tip was crushed. The pilot reported no preimpact mechanical malfunctions or failures 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).
- C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Directional control-Not attained/maintained - C
- C Environmental issues-Conditions/weather/phenomena-Wind-Crosswind-Response/compensation - C
- C Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot - C
Verbatim from NTSB's published report. Source file
NTSB_2013_WPR13CA146.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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