CHI08CA176

NTSB accident investigation · Aero Commander S2R · Clontarf, MN · July 6, 2008

Accident · No injuriesData collectionFinal report
Date
July 6, 2008, 07:30 local (12:30 UTC)
Place
Clontarf, MN
Injuries
1 uninjured
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N5519XAero Commander S2R
Defining event
Maneuvering-low-alt flying: Low altitude operation/event
Weather
Visual (VMC) · Day
Status
Completed · report August 28, 2008
Report
Approved by Office Director
Parties
Federal Aviation Administration - Minneapolis FSDO
FAA report
20080706840709A
Case key
68641

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 clearance from the power transmission lines. Contributing to the accident was the power transmission lines.

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.

Object/animal/substance: wireEnvironmental issues › Physical environment · Contributed to outcomeAero Commander S2R: 2 casesAll aircraft: 588 casesProbable cause
Performance/control parameters: altitudeAircraft › Aircraft oper/perf/capability · Not attained/maintainedAero Commander S2R: 2 casesAll aircraft: 1,310 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 airplane impacted power transmission lines while on an aerial application flight. The airplane impacted terrain immediately after the wire strike and was destroyed during a post accident ground fire. The pilot stated there were no mechanical malfunctions prior to impacting the transmission lines.

Factual narrative

The airplane impacted power transmission lines while on an aerial application flight. The airplane impacted terrain immediately after the wire strike and was destroyed during a post accident ground fire. The pilot stated there were no mechanical malfunctions prior to impacting the transmission lines.

Aircraft

Registration
N5519X
Reported as
Aero Commander S2R
Category
Airplane
Serial number
1719R
Airframe hours
7,355.1
Engine
Pratt & Whitney R1340, 600 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Aerial application · Part 137
Registered owner
Benson Air Ag, Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · May 1, 2008
Departed
BBB · Benson, MN
Destination
BBB · Benson, MN

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
76
Injuries
None
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine sea, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Last flight review
July 1, 2007
Seat
Single
Flight hours
15,374 total · 1,337 in this make and model · 14,824 as pilot in command · 35 in the last 30 days · 7 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
None
Temperature
68 °F, dew point 66 °F
Altimeter
29.76 inHg
Observed at
BBB, 10 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.

Other investigations on N5519X · 1

Matched to the same aircraft by N-number and date.