NYC91LA134

NTSB accident investigation · Tierra II · Cooperstown, NY · May 12, 1991

Accident · Minor injuriesLimited investigationFinal report
Date
May 12, 1991, 19:20 local (23:20 UTC)
Place
Cooperstown, NY
Injuries
1 minor
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N198WCTierra II
Weather
Visual (VMC) · Day
Status
Completed · report May 7, 1993
Report
Approved by Office Director
FAA report
19910512015459A
Case key
36926

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

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Probable cause

The mechanical failure of the flight control system, which resulted in a a loss or airplane control and subsequent forced landing in trees.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Airframe/component/system failure/malfunctionManeuvering
Flt control syst,rudder control attach points - fracturedCause
Flight control system - failure,partial
Loss of control - in flightManeuvering
Aircraft control - not possiblePilot in commandCause
In flight collision with objectDescent - emergency
Object - tree(s)

Analysis

The homebuilt airplane had just completed a stall maneuver, when the rudder attachment broke. The propeller struck the broken attachment and the engine quit. The pilot was unable to control the airplane and crashed in trees.

Aircraft

Registration
N198WC
Reported as
Tierra II
Category
Airplane, amateur-built
Engine
unknown, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Operator
William Curry
Registered owner
William Curry
Last inspection
Unknown · January 2, 2000

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

Weather

Conditions
Visual (VMC) · Day
Lowest ceiling
None

FAA reports on this event · 1

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