LAX02LA155

NTSB accident investigation · Mueller Skyraider 1 · Elko, NV · May 9, 2002

Accident · FatalLimited investigationFinal report
Date
May 9, 2002, 09:50 local (16:50 UTC)
Place
Elko, NV
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N571AMMueller Skyraider 1
Weather
Visual (VMC) · Day
Status
Completed · report March 2, 2004
Report
Approved by Office Director
Parties
Federal Aviation Administration
FAA report
20020509007819A
Case key
54664

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 pilot's failure to maintain an adequate airspeed while maneuvering, which resulted in an inadvertent stall.

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
Airspeed - not maintainedPilot in commandCause
Stall - inadvertentPilot in command
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

The airplane collided with the ground in a 20-degree nose low attitude. Witnesses who saw the crash stated that the airplane appeared to be "hovering in the air" about 200 feet above the ground when it swiftly pitched nose down and dove towards the ground. The airplane was "silent" prior to its impact with terrain. Post accident examination of the wreckage revealed flight control system continuity, fuel present at the accident location, and an undamaged propeller.

Factual narrative

On May 9, 2002, at 0950 Pacific daylight time, an amateur built experimental Mueller Skyraider 1, N571AM, collided with the ground 3 miles north of Elko, Nevada. The airplane was owned and operated by the pilot under the provisions of 14 CFR Part 91, and was destroyed in the accident sequence. The private pilot, the sole occupant, sustained fatal injuries. Visual meteorological conditions prevailed for the local area personal flight that departed from the Elko airport, (EKO) at 0848, and no flight plan had been filed.

According to witnesses who saw the crash, the airplane was first spotted flying overhead, possibly as low as 200 feet. At this time, the airplane was completely "silent" and appeared to be "hovering in the air" with no apparent movement. A moment later, the airplane swiftly pitched down, gained speed, and impacted terrain.

Post accident investigation revealed evidence of a nose low impact. The nose and engine had been crushed back through the firewall and into the cockpit. Flight control system continuity from the control surfaces to the cockpit was present, the propeller was undamaged, and fuel was found at the accident location.

Neither the airplane's maintenance records nor the pilot's personal flight records could be located.

Aircraft

Registration
N571AM
Reported as
Mueller Skyraider 1
Category
Airplane, amateur-built
Serial number
111
Engine
Bombardier Rotax 503, 50 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Arthur V. Mueller
Airworthiness certificate
Special, Experimental (Special)
Departed
KEKO · Elko, NV

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
60
Injuries
Fatal
Certificate
Private
Airplane ratings
Single-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 2, Expired
Seat
Front

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
None
Temperature
48 °F, dew point 16 °F
Altimeter
30.00 inHg
Observed at
KEKO, 3 nm away

Docket · 3

The files NTSB released with the investigation on December 12, 2003, on NTSB’s docket system: statements, records, photos and specialists’ reports. 78 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.