Skip to content

Atlas / NTSB / WPR12CA273

NTSB CAROL · Event

Event WPR12CA273

2012-06-21 Concord, California, United States Airport · CCR None 1 aircraft Status: Completed

Registry · N1640D

FAA Aircraft Registry record.

Make / Model

CESSNA 170B

Year of manufacture

1952 · 60 years old at event

Engine

CONT MOTOR C145 SERIES (145 hp)

Seats / Engines

4 seats · 1 engine

ADS-B equipped

Yes — Mode-S A102E6

Registrant of record

ROESSLER LARRY J

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

The pilot’s failure to maintain control of the airplane while landing in gusting crosswind conditions.

Factual narrative

The pilot was performing a landing during gusting crosswind conditions in the tailwheel-equipped airplane. During the landing flare, a wind gust lifted the right wing, and the pilot applied corrective control input. The left wing subsequently struck the runway, causing substantial damage to the aileron and outboard wing skins. The pilot reported no preimpact mechanical malfunctions or failures with the airframe or engine that would have precluded normal operation. The pilot was performing a landing in gusting crosswind conditions in the tailwheel-equipped airplane. During the landing flare, a wind gust lifted the airplane’s right wing. The pilot applied corrective control input and then landed. After he parked the airplane, the pilot realized that the airplane’s left wing had contacted the runway during the landing flare, causing substantial damage to the aileron and outboard wing skins. The pilot reported no preimpact mechanical malfunctions or failures with the airframe or engine 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).

  • Environmental issues-Conditions/weather/phenomena-Wind-Crosswind-Effect on equipment
  • Environmental issues-Conditions/weather/phenomena-Wind-Gusts-Effect on equipment
  • 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_2012_WPR12CA273.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.