DEN00LA105

NTSB accident investigation · Froelich Lancair IV · Bountiful, UT · June 8, 2000

Accident · Minor injuriesLimited investigationFinal report
Date
June 8, 2000, 08:45 local (14:45 UTC)
Place
Bountiful, UT
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N493KFroelich Lancair IV
Weather
Visual (VMC) · Day
Status
Completed · report January 18, 2001
Report
Approved by Office Director
FAA report
20000608010899A
Case key
49382

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 loss of power for undetermined reasons and the pilot's unsuccessful remedial action (dive to avoid the power line). Contributing factors were the power line, the tires and the fence.

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 engine power(total) - nonmechanicalDescent
Fluid,fuel - excessive flow/outputFactor
Forced landingEmergency descent/landing
In flight collision with objectLanding - roll
Object - wire,transmissionFactor
Terrain condition - none suitableCause

Analysis

The pilot descended from 10,500 feet msl (above mean sea level) to 6,500 feet msl in preparation for landing, using 15 inches of manifold pressure. When he advanced the throttle, there was no response from the engine, and the tachometer indicated 1,660 rpm. The destination airport was 7 miles away and the airplane was at 1,300 feet agl, so he decided to make a forced landing in an open field. Unable to glide over power lines ahead, he dove under and clipped one of the lines with the vertical stabilizer. The airplane then struck a pile of tractor tires, went through a fence, and spun around. Postaccident inspection by an FAA inspector revealed fuel in the line leading to the spider. The pilot said he suspected he lost power due to a flooded engine.

Factual narrative

On June 8, 2000, approximately 0845 mountain daylight time, a Froelich Lancair IV, N493K, registered to and operated by the pilot, was substantially damaged when it collided with terrain during a forced landing in Bountiful, Utah. The commercial pilot, the sole occupant aboard, received a minor injury. Visual meteorological conditions prevailed, and no flight plan had been filed for the personal flight being conducted under Title 14 CFR Part 91. The flight originated at Tooele, Utah, approximately 0820.

According to the pilot's accident report, he descended from 10,500 feet msl (above mean sea level) to 6,500 feet msl in preparation for landing, using 15 inches of manifold pressure. When he turned south and advanced the throttle, there was no response from the engine, and the tachometer indicated 1,660 rpm (revolutions per minute). Skypark Airport was 7 miles to the south and the airplane was at an altitude of 1,300 feet agl (above ground level). He decided to make a forced landing in an open field. Unable to glide over power lines ahead, the pilot dove the airplane under and clipped one of the power lines, tearing off the top portion of the rudder. The airplane then stuck a pile of tractor tires, went through a fence, and spun around.

Postaccident inspection by an FAA inspector revealed fuel in the line leading to the spider. The pilot said he suspected he lost power due to a flooded engine.

Aircraft

Registration
N493K
Reported as
Froelich Lancair IV
Category
Airplane, amateur-built
Serial number
LIV065
Airframe hours
305
Engine
Continental TSIO-550-B1B, 350 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Robert E. Froelich
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · September 30, 1999 · 19 hours before
Departed
TVY · Tooele, UT
Destination
BTF · UT

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
70
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
4,450 total · 311 in this make and model · 4,450 as pilot in command · 8 in the last 90 days · 2 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
170° at 19 knots, gusting 25
Visibility
10 statute miles
Lowest ceiling
None
Temperature
86 °F, dew point 37 °F
Altimeter
29.00 inHg
Observed at
SLC, 9 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.