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Aviation safety reports, made easier to study

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NTSB Report

December 25, 2010 · Cessna 305A · N6897

Spooner, WI

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
December 25, 2010
Injury Outcomes
No injuries (2 uninjured)
Location
Spooner, WI
Aircraft
Cessna 305A
Tail Number
N6897
Operator
Kronlund Kevin
Injuries
None
Aircraft Damage
Substantial
NTSB Number
CEN11CA139

The pilot reported that prior to landing, he performed two low level passes to determine a safe landing area on the frozen lake. He said that during the landing, the left landing gear ski touched down and he heard a bang as the left ski impacted a snow-covered raised ice ridge. He slowed the airplane for the landing rollout and the airplane came to rest upright. A postaccident examination of the airplane revealed that the landing gear box structure was bent and the bulkheads were damaged. The examination did not disclose any evidence of a mechanical malfunction. The pilot reported that he should have landed the airplane in the middle of lake which likely would have had less slush and rough ice.

NTSB Probable Cause

Environmental issues-Physical environment-Runway/land/takeoff/taxi surfa-Snow/slush/ice covered-Contributed to outcome - C

Full Narrative

The pilot reported that prior to landing, he performed two low level passes to determine a safe landing area on the frozen lake. During the landing, the left landing gear ski touched down and the pilot heard a bang as the left ski impacted a snow covered raised ice ridge. The pilot slowed the airplane for the remaining landing and it came to rest upright. Examination of the airplane revealed that the landing gear box structure was bent and the bulkheads were damaged. No mechanical anomalies were noted with the airplane. The pilot reported that he should have landed the airplane in the middle of lake which likely would have had less slush and rough ice.

Flight

Event TypeAccident
Event Time14:00 CST
Nearest Airport0nm
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftCessna 305A
Tail NumberN6897
Aircraft CategoryAir
DamageSubstantial
OperatorKronlund Kevin
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsCont Motor · O-470-11 · Reciprocating · 213
Seats2

People & Injuries

Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 53 · Third Class · None

Conditions

ConditionsVMC
LightDaylight
WindCalm
Visibility6 sm
CeilingOvercast 5000 ft
Temperature / Dew Point21 C / 0 C
Altimeter29.73 inHg
Observation Time17:45
Weather SourceWFAC

Appendix: Source Data