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Aviation safety reports, made easier to study

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NTSB Report

June 14, 2010 · Waco UKC-S · N14611

Seattle, WA

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
June 14, 2010
Injury Outcomes
No injuries (2 uninjured)
Location
Seattle, WA
Aircraft
Waco UKC-S
Tail Number
N14611
Operator
Kenneth D Horwitz
Injuries
None
Aircraft Damage
Substantial
NTSB Number
WPR10CA290

The pilot stated that prior to entering the traffic pattern in a tail-wheel equipped airplane for landing on runway 31L, the airport’s automatic terminal information service (ATIS) indicated that the wind was from 040 degrees at 11 knots, gusting to 15 knots. The pilot said the maximum crosswind component for the airplane is 15 knots and that he has previously landed this airplane in similar crosswind conditions. Throughout the traffic pattern the pilot requested the wind direction and speed from the controller and on short final, the wind was reported from 030 degrees at 11 knots. The landing was uneventful; however, during the landing roll, a gust of wind lifted the right wing and despite the pilot’s control inputs, the left wing scraped the ground as the airplane turned to the right. Subsequently, the left main landing gear collapsed. The airplane slid and came to a rest perpendicular to the runway. The pilot reported no mechanical failures or malfunctions with the airframe or engine prior to the accident. The weather reporting station located at the accident airport reported the wind at the time of the accident was from 030 degrees at 8 knots gusting to 17 knots. In a written statement, the pilot stated that the accident could have been prevented by landing at a nearby airport until conditions improved.

NTSB Probable Cause

The pilot’s inadequate compensation for the crosswind condition, resulting in a loss of directional control during the landing roll.

Full Narrative

The pilot stated that prior to entering the traffic pattern in a tail-wheel equipped airplane for landing on runway 31L, the airport’s automatic terminal information service (ATIS) indicated that the wind was from 040 degrees at 11 knots, gusting to 15 knots. The pilot said the maximum crosswind component for the airplane is 15 knots and that he has previously landed this airplane in similar crosswind conditions. Throughout the traffic pattern the pilot requested the wind direction and speed from the controller and on short final, the wind was reported from 030 degrees at 11 knots. The landing was uneventful; however, during the landing roll, a gust of wind lifted the right wing and despite the pilot’s control inputs, the left wing scraped the ground as the airplane turned to the right. Subsequently, the left main landing gear collapsed. The airplane slid and came to a rest perpendicular to the runway. The pilot reported no mechanical failures or malfunctions with the airframe or engine prior to the accident. The weather reporting station located at the accident airport reported the wind at the time of the accident was from 030 degrees at 8 knots gusting to 17 knots. In a written statement, the pilot stated that the accident could have been prevented by landing at a nearby airport until conditions improved.

Flight

Event TypeAccident
Event Time18:35 PDT
Nearest AirportBoeing Field (0nm)
Runway31L
Runway Length10000 ft
Runway Width200 ft
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftWaco UKC-S
Tail NumberN14611
Aircraft CategoryAir
DamageSubstantial
OperatorKenneth D Horwitz
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsCont Motor · W670 SERIES · Reciprocating · 250
Seats4

People & Injuries

Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 57 · Second Class · None

Conditions

ConditionsVMC
LightDaylight
Wind30° @ 8 kt, gusting 17 kt
Visibility10 sm
CeilingBroken clouds 4800 ft
Temperature / Dew Point64 F / 45 C
Altimeter30.22 inHg
Observation Time08:26
Weather SourceWFAC

Appendix: Source Data