DEN08LA158

NTSB accident investigation · Cameron Balloons US N-77 · Plano, TX · September 21, 2008

Accident · Serious injuriesLimited investigationFinal report
Date
September 21, 2008, 09:00 local (14:00 UTC)
Place
Plano, TX
Injuries
1 serious, 1 uninjured
Damage
Minor damage
Phase of flight
Enroute
Aircraft
N4003PCameron Balloons US N-77
Defining event
Enroute: Fuel exhaustion
Weather
Visual (VMC) · Day
Status
Completed · report February 25, 2009
Report
Approved by Office Director
Parties
FAA Flight Standards District Office
FAA report
20080921845949A
Case key
68971

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 improper fuel management, resulting in fuel exhaustion and the subsequent hard landing.

Findings · 4

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.

Fluids: fuelAircraft › Fluids/misc hardware · Fluid levelCameron Balloons US N-77: 1 caseAll aircraft: 1,695 casesProbable cause
Fuel systemAircraft › Aircraft systems · Incorrect use/operationCameron Balloons US N-77: 1 caseAll aircraft: 181 cases
Use of equip/infoPersonnel issues › Task performance · PilotCameron Balloons US N-77: 1 caseAll aircraft: 111 casesProbable cause
Performance/control parameters: landing flareAircraft › Aircraft oper/perf/capability · Attain/maintain not possibleCameron Balloons US N-77: 1 caseAll aircraft: 1,285 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 Federal Aviation Administration inspector who traveled to the scene, the pilot was participating in a hot-air balloon competition. The pilot called her ground crew while en route and reported that all three propane tanks were empty. The pilot attempted a forced landing to a parking lot and bounced three times before the balloon came to rest. She stated that the balloon's propane tanks had been filled the night prior to the accident flight and contained 30 gallons of fuel. The burner and fuel system consisted of three fuel tanks designated "master," "slave one," and "slave two." She advised that she flew on slave one until it was exhausted. She verified that the master tank contained fuel, then flew on slave two until it contained approximately 15 percent fuel remaining. Upon switching back to the master tank she noted that for an unknown reason, it too now contained approximately 15 per cent fuel remaining. She began looking for a suitable place for a forced landing. The basket sustained minor damage and the balloon envelope was not damaged. The pilot sustained a broken leg. An examination of the balloon systems revealed no anomalies.

Factual narrative

On September 21, 2008, approximately 0900 central daylight time, a Cameron Balloons US N-77, N4003P, piloted by a private pilot, sustained minor damaged during a forced landing in Plano, Texas. Visual meteorological conditions prevailed at the time of the accident. The flight was being conducted under the provisions of Title 14 Code of Federal Regulations Part 91 without a flight plan. The pilot sustained serious injuries and her passenger was not injured. The local flight departed Plano East Senior High School approximately 0800 and was en route to Clark Stadium. According to the Federal Aviation Administration inspector who traveled to the scene, the pilot was participating in a hot-air balloon competition. The pilot called her ground crew while en route and reported that all three propane tanks were empty. The pilot attempted a forced landing to a parking lot and bounced three times before the balloon came to rest. The basket sustained minor damage and the balloon envelope was not damaged. The pilot sustained a broken leg. During a telephone interview with the pilot on October 24th, she stated that the balloon's propane tanks had been filled the night prior to the accident flight and contained 30 gallons of fuel. The burner and fuel system consisted of three fuel tanks designated "master", "slave one", and "slave two." She advised that she flew on slave one until it was exhausted. She verified that the master tank contained fuel, then flew on slave two until it contained approximately 15 percent fuel remaining. Upon switching back to the master tank she noted that for an unknown reason, it too now contained approximately 15 per cent fuel remaining. She began looking for a suitable place for a forced landing. An examination of the fuel system revealed no anomalies. A porosity test on the balloon envelope was not performed. Multiple attempts to obtain a National Transportation Safety Board form 6120.1 with additional accident details from the pilot were unsuccessful. Several attempts to obtain maintenance records to verify Federal Aviation Administration airworthiness directive compliance pertaining to fuel system and burner modifications from the pilot were also unsuccessful.

Aircraft

Registration
N4003P
Reported as
Cameron Balloons US N-77
Category
Balloon
Serial number
5666
Damage
Minor damage
Flight
Air race/show · Part 91
Airworthiness certificate
Standard, Normal
Departed
Plano, TX
Destination
Plano, TX
Flight plan
Unknown

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
Injuries
Serious
Certificate
Private

Weather

Conditions
Visual (VMC) · Day
Wind
100° at 5 knots
Visibility
5 statute miles
Lowest ceiling
None
Temperature
72 °F, dew point 66 °F
Altimeter
30.14 inHg
Observed at
ADS

FAA reports on this event · 1

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