LAX06CA237
2006-07-18 · Bakersfield, California, United States · None · 1 aircraft · Status: Completed
Airport BFL
N4785M has since been reassigned. It is now registered to a different aircraft (ZENITH STOL CH 701, built 2015), which was not involved in this event.
Aircraft involved
Probable cause & findings
the pilot's improper flare, which resulted in a hard landing.
Factual narrative
On July 18, 2006, about 1940 Pacific daylight time, a Beech A36, N4785M, made a hard landing at the Meadows Field Airport, Bakersfield, California. The pilot/owner was operating the airplane under the provisions of 14 CFR Part 91. The private pilot and two passengers were not injured; the airplane sustained substantial damage. The personal local flight departed from Bakersfield airport about 1900. Visual meteorological conditions prevailed, and a flight plan had not been filed. In a written statement, the pilot reported that he had requested and had consequently been granted by air traffic control a downwind extension for runway 30R, in order to compensate for the possible wake turbulence produced by the regional jet departing on the same runway. The pilot stated that on short final, the airplane was hit by wake turbulence just prior to touchdown, causing a hard landing and the subsequent collapse of the right main landing gear. The airplane rolled off the runway surface and incurred damage to the right main landing gear and the right wing. The pilot reported no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation. The Federal Aviation Administration Flight Standards District Office, Fresno, California, upgraded the original damage report from minor to substantial upon further assessment of the airplane. According to the air traffic controller who was in contact with the accident airplane, he cleared the pilot to land while the airplane was on the downwind leg of the traffic pattern. After giving the pilot a clearance, he issued a wake turbulence advisory regarding a departing MD80 airplane. The controller additionally advised the pilot that he could extend the downwind leg at his discretion to avoid wake turbulence. He observed the pilot extend the downwind leg and continue onto final approach. As the airplane approached the runway threshold, the nose was in an excessive nose-high pitch attitude and traveling very slowly. The wings started to rock back and forth. The right wing dropped, and the airplane immediately descended toward the runway surface. The airplane landed hard on the right main landing gear, resulting in it separating from the airplane. The pilot made a hard landing resulting in substantial damage to the airplane. The pilot extended his downwind for landing at the destination airport with the intention of avoiding the wake turbulence produced by a jet departing the runway of intended use. While in the landing flare, the pilot stalled the airplane, resulting in a hard landing. The right main landing gear collapsed and the airplane rolled off the runway surface. The pilot reported no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2006_LAX06CA237.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type or causal vocabulary (stall, wake turbulence, turbulence). All research papers
- NASA NTRS 2019 · Conference Paper Aircraft wake turbulence minimization by aerodynamic means
The paper reviews NASA's efforts on wake vortex turbulence minimization by aerodynamic design or retrofit modifications to large transport aircraft.
- NASA NTRS 2019 · Conference Paper Wake Turbulence Mitigation for Arrivals (WTMA)
The preliminary Wake Turbulence Mitigation for Arrivals (WTMA) concept of operations is described in this paper. The WTMA concept provides further detail to work initiated by the Wake Vortex Avoidance…
- NASA NTRS 2019 · Conference Paper Aircraft wake turbulence avoidance
Aircraft wake turbulence /trailing vortex systems/ avoidance during flight, describing procedures for pilots and tower operators
- NASA NTRS 2019 · Conference Paper Aircraft wake turbulence progress and plans
Aircraft wake turbulence and trailing vortices, investigating physical characteristics, hazard potential and avoidance techniques
- SKYbrary (Eurocontrol) 2023 · SKYbrary article Wake Vortex Turbulence — SKYbrary Knowledge Base
SKYbrary wake vortex turbulence comprehensive article — generation mechanics, dissipation factors, separation standards (ICAO LIGHT/MEDIUM/HEAVY/SUPER + recategorisation RECAT-EU).
- Embry-Riddle Scholarly Commons 2021 · Journal article (IJAAA) Comparative Study on the Prediction of Aerodynamic Characteristics of Mini - Unmanned Aerial Vehicle with Turbulence Models
When dealing with CFD simulations the turbulent nature is seen on most of the engineering flows and these flows need to be solved.