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NTSB accident investigation · Waco CTO · Ridgeland, SC · March 29, 2016

Accident · No injuriesData collectionFinal report
Date
March 29, 2016, 14:00 local (18:00 UTC)
Place
Ridgeland, SC
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N744HWaco CTO
Defining event
Landing-landing roll: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report June 1, 2016
Report
Approved by Office Director
NTSB office
General Aviation Accidents
Parties
FAA
FAA report
20160329003459A
Case key
92922

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.

Findings · 2

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedWaco CTO: 1 caseAll aircraft: 3,958 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotWaco CTO: 1 caseAll aircraft: 9,295 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot of the tailwheel-equipped bi-plane reported that during the landing roll, the bi-plane started turning to the right, the left main landing gear collapsed, and the nose of the bi-plane impacted the ground. The bi-plane sustained substantial damage to the left lower wing. According to the pilot there were no preimpact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.

Factual narrative

The pilot of the tailwheel-equipped bi-plane reported that during the landing roll, the bi-plane started turning to the right, the left main landing gear collapsed, and the nose of the bi-plane impacted the ground. The bi-plane sustained substantial damage to the left lower wing. According to the pilot there were no preimpact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.

Aircraft

Registration
N744H
Reported as
Waco CTO (NO SERIES)
Category
Airplane
Serial number
A-95
Built
1929
Engine
Wright 760E-2, 235 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Departed
3J1 · Ridgeland, SC
Destination
3J1 · Ridgeland, SC
Airport
3J1 · Ridgeland, runway 03, 2,692 × 70 ft, asphalt
Equipment
None

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
92
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine sea, Single-engine land, Multi-engine land
Medical
Class 3, Without waivers/limitations
Last flight review
March 15, 2015
Seat
Rear
Restraint
4-point
Flight hours
5,357 total · 767 in this make and model · 4,829 as pilot in command · 5 in the last 90 days · 3 in the last 30 days · 0.3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 5 knots
Visibility
10 statute miles
Lowest ceiling
25,000 ft broken
Temperature
68 °F, dew point 43 °F
Altimeter
30.11 inHg
Observed at
KNBC, 14 nm away

Docket · 3

The files NTSB released with the investigation on May 19, 2016, on NTSB’s docket system: statements, records, photos and specialists’ reports. 981 KB in all.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.