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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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NTSB Report

August 31, 1989 · Balloon Works Firefly · N7406F

Hatboro, PA

Overview

Report Status
Probable Cause
Event Type
Accident
Date
August 31, 1989
Injury Outcomes
4 injuries (1 serious injury, 3 minor injuries), 1 uninjured
Location
Hatboro, PA
Aircraft
Balloon Works Firefly
Tail Number
N7406F
Operator
John W Edling
Injuries
Serious
Aircraft Damage
Minor
NTSB Number
NYC89LA212

THE BALLOON DEPARTED ON A PLEASURE FLT WITH 4 PASSENGERS ABOARD. THE WINDS WERE REPORTED FROM THE SOUTHEAST AT 5 KTS, VISIBILITY WAS UNLIMITED & THE TEMP WAS 72 DEGS. ABOUT 30 MIN AFTER TAKEOFF, THE PLT DISCOVERED THE #2 PROPANE TANK WAS EMPTY. HE IMMEDIATELY SWITCHED TO THE #1 RESERVE TANK. WHILE ATTEMPTING TO LAND IN AN APPROPRIATE LANDING SPOT, THE BURNER PRESSURE DROPPED & THE PLT WAS UNABLE TO AVOID POWERLINES. SUBSEQUENTLY, THE GONDOLA CONTACTED & CAME TO REST ON THE POWERLINES. THE PLT WAS ABLE TO DISLODGE THE GONDOLA, BUT IT FELL TO THE GROUND & ONE PASSENGER WAS SERIOUSLY INJURED; THE OTHER PASSENGERS RECEIVED MINOR INJURIES.

NTSB Probable Cause

IMPROPER IN-FLIGHT PLANNING/DECISION BY THE PILOT WHICH RESULTED IN HIS FAILURE TO MAINTAIN CLEARANCE OBSTRUCTIONS. A RELATED FACTOR WAS: THE LOW LEVEL OF PROPANE (FUEL), WHICH RESULTED IN LOW BURNER PRESSURE.

Full Narrative

THE BALLOON DEPARTED ON A PLEASURE FLT WITH 4 PASSENGERS ABOARD. THE WINDS WERE REPORTED FROM THE SOUTHEAST AT 5 KTS, VISIBILITY WAS UNLIMITED & THE TEMP WAS 72 DEGS. ABOUT 30 MIN AFTER TAKEOFF, THE PLT DISCOVERED THE #2 PROPANE TANK WAS EMPTY. HE IMMEDIATELY SWITCHED TO THE #1 RESERVE TANK. WHILE ATTEMPTING TO LAND IN AN APPROPRIATE LANDING SPOT, THE BURNER PRESSURE DROPPED & THE PLT WAS UNABLE TO AVOID POWERLINES. SUBSEQUENTLY, THE GONDOLA CONTACTED & CAME TO REST ON THE POWERLINES. THE PLT WAS ABLE TO DISLODGE THE GONDOLA, BUT IT FELL TO THE GROUND & ONE PASSENGER WAS SERIOUSLY INJURED; THE OTHER PASSENGERS RECEIVED MINOR INJURIES.

Flight

Event TypeAccident
Event Time19:20 EDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftBalloon Works Firefly
Tail NumberN7406F
Aircraft CategoryBall
DamageMinor
OperatorJohn W Edling
Operating RulePart 91
Engine TypeUnknown
Engine DetailsUnknown

People & Injuries

Injury Summary4 injuries (1 serious injury, 3 minor injuries), 1 uninjured
Fatal0
Serious1
Minor3
Uninjured1
Total5
Crew 1Age 38 · Third Class

Conditions

ConditionsVMC
LightDusk
Wind185° @ 6 kt
Visibility30 sm
CeilingNone
Temperature / Dew Point50
Altimeter0
Weather SourcePILO

Appendix: Source Data