CHI91DCD03

NTSB accident investigation · Tullis Tierra II · Ottumwa, IA · August 31, 1991

Accident · FatalFinal report
Date
August 31, 1991, 07:57 local (12:57 UTC)
Place
Ottumwa, IA
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N2162STullis Tierra II
Weather
Visual (VMC) · Day
Status
Completed · report May 3, 1993
Report
Approved by Office Director
FAA report
19910831037299A
Case key
14797

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

Failure of the pilot to maintain control of the airplane during maneuvering flight.

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.

Loss of control - in flightManeuvering
Aircraft control - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

The accident airplane was observed to descend steeply into terrain while circling a family farm. No mechanical defects were discovered in the airplane during a post-accident inspection.

Aircraft

Registration
N2162S
Reported as
Tullis Tierra II
Category
Airplane, amateur-built
Serial number
1001-R
Engine
Rotax 532UL, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Operator
Randy L. Saner
Airworthiness certificate
Special, Experimental (Special)
Departed
OTM · Ottumwa, IA
Destination
4K6 · Bloomfield, IA

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
31
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Toxicology
Performed
Flight hours
600 total · 4 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
180° at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
-0 °F, dew point -0 °F
Observed at
OTM, 5 nm away

FAA reports on this event · 1

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