NTSB CAROL · Event
Event ERA12CA520
Registry · N343SF
FAA Aircraft Registry record.
Make / Model
FLEET FLEET 16B
Year of manufacture
1940 · 72 years old at event
Engine
KINNER R5 SERIES (160 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
19770628
ADS-B equipped
Yes — Mode-S A3CA09
Registrant of record
MARTIN STEPHEN S
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot’s improper landing flare, which resulted in a hard landing.
Factual narrative
The pilot reported that following a brief local flight, he returned to the departure airport and entered the traffic pattern. While on final approach to the runway, he initiated a slip to the left in order to descend and increase the visibility of the runway. The pilot stated that during previous flights in the tailwheel-equipped biplane, after exiting the slip just prior to touchdown, the airplane's airspeed would increase, and it would "float" down the runway; however, upon exiting the slip during the accident flight the rate of descent remained constant, and the airplane's contact with the runway was "fairly severe." The landing gear subsequently collapsed, and the airplane departed the right side of the runway and nosed over, resulting in substantial damage to the right upper wing. The pilot reported that there were no mechanical malfunctions or failures of the airplane that would have precluded normal operation, and that the accident could have been prevented by a "quicker reaction" and "increasing [engine] power to arrest descent rate." The pilot reported that he returned to the departure airport after a brief local flight and entered the traffic pattern. While on final approach to the runway, he initiated a slip to the left to descend and increase his visibility of the runway. The pilot stated that during previous flights in the tailwheel-equipped biplane, after he exited the slip just before touchdown, the airplane would "float" down the runway in ground effect. However, when he exited the slip during the accident flight, the rate of descent remained constant, and the airplane's contact with the runway was "fairly severe." The landing gear subsequently collapsed, and the airplane departed the right side of the runway and nosed over, resulting in substantial damage to the right upper wing. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation, and that the accident could have been prevented by a "quicker reaction" and "increasing [engine] power to arrest descent rate." 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-Landing flare-Not attained/maintained - C
- C Personnel issues-Action/decision-Action-(general)-Pilot - C
Verbatim from NTSB's published report. Source file
NTSB_2012_ERA12CA520.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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