CEN12LA248

NTSB accident investigation · Aerostar International Raven S49A · Janesville, WI · April 13, 2012

Accident · Minor injuriesLimited investigationFinal report
Date
April 12, 2012, 19:00 local (Apr 13, 2012, 00:00 UTC)
Place
Janesville, WI
Injuries
1 minor, 1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N70451Aerostar International Raven S49A
Defining event
Landing: Landing area overshoot
Weather
Visual (VMC) · Day
Status
Completed · report May 9, 2013
Report
Approved by Office Director
NTSB office
Central Region
Parties
FAA Milwaukee FSDO
FAA report
20120412005779A
Case key
83422

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 clearance from the powerlines while landing.

Findings · 3

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.

Action: delayed actionPersonnel issues › Action/decision · PilotAerostar International RAVEN S49A: 1 caseAll aircraft: 894 casesProbable cause
Object/animal/substance: wireEnvironmental issues › Physical environment · Contributed to outcomeAerostar International RAVEN S49A: 2 casesAll aircraft: 588 cases
Performance/control parameters: altitudeAircraft › Aircraft oper/perf/capability · Not attained/maintainedAerostar International RAVEN S49A: 1 caseAll 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

According to the pilot, he attempted to abort the landing when he saw that he was getting too close to the powerlines. He said he used a “continuous burn” to abort the landing; however, when it became apparent that the balloon would still hit the powerlines, he initiated an emergency descent. The balloon hit the powerlines and then descended to the ground. The impact with the powerlines caused an arc flash that burned the lower 20 percent of the balloon envelope.

Factual narrative

On April 12, 2012, about 1900 central daylight time, an Aerostar International Inc., Raven S49A balloon, N70451, impacted powerlines while landing at Janesville, Wisconsin. The pilot was not injured and the passenger received minor burn injuries. The balloon was substantially damaged. The balloon was registered to and operated by Bushelle Aerial Photography LLC, under the provisions of 14 Code of Federal Regulations Part 91, as a personal flight. Day visual meteorological conditions prevailed and no flight plan was filed. The local flight departed an off-airport location in Janesville, Wisconsin, about 1840. According to the pilot he attempted to abort his landing when he saw he was getting too close to the powerlines. He said he used a “continuous burn” to abort the landing; however, when it became apparent that the balloon would still hit the powerlines, he initiated an emergency descent. The balloon hit the powerlines which caused an arc flash that burned the lower twenty percent of the balloon envelope. The arcing also damaged the steel envelope suspension cables and completely severed one. The basket descended to the ground and remained upright. The partially inflated envelope draped over the powerlines and after the envelope had deflated and was clear of the powerlines, the pilot and passenger exited the basket.

Aircraft

Registration
N70451
Reported as
Aerostar International Raven S49A
Category
Balloon
Serial number
S49A-3193
Airframe hours
253
Damage
Substantial damage
Fire
In-Flight
Flight
Personal · Part 91
Operator
Bushelle Aerial Photography LLC
Registered owner
Bushelle Aerial Photography LLC
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 19, 2011
Departed
NONE · Janesville, WI
Destination
NONE · Janesville, WI

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
51
Injuries
None
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, With waivers/limitations
Last flight review
May 26, 2011
Flight hours
3,150 total · 100 in this make and model · 3,000 as pilot in command · 30 in the last 90 days · 7 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
None
Temperature
59 °F, dew point 25 °F
Altimeter
30.12 inHg
Observed at
KJVL, 3 nm away

Docket · 3

The files NTSB released with the investigation on March 20, 2013, on NTSB’s docket system: statements, records, photos and specialists’ reports. 2.4 MB 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.