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Clean Hydrogen Partnership

Hydrogen ballon damaged by landing

Event

Event ID
486
Quality
Description
A Worner 1000 STU gas balloon, of German registry D-OAGH, piloted by a commercial pilot was substantially damaged during landing, when the hydrogen-filled envelope came in contact with a power line, caught fire, and burned.

Visual meteorological conditions prevailed at the time of the accident. The balloon was a participant in a racing event associated with the annual Albuquerque Balloon Festival and was being operated under the provisions of 14 CFR Part 91 without a flight plan. The pilot and copilot reported no injuries.
The balloon departed Albuquerque, New Mexico, on October 6, 2001, at 2000 mountain daylight time. The accident occurred on October 7, 2001, at 1451 central daylight time
.
Event Initiating system
Classification of the physical effects
Hydrogen Release and Ignition
Nature of the consequences
Fire (No additional details provided)
Macro-region
North America
Country
United States
Date
Root causes
Root CAUSE analysis
A commercial pilot was substantially damaged during landing, when the hydrogen-filled envelope came in contact with a power line, caught fire, and burned.

Facility

Application
Other
Sub-application
Weather balloons
Hydrogen supply chain stage
All components affected
gas balloon
Location type
Open
Operational condition
Pre-event occurrences
The balloon pilot was provided a detailed weather briefing prior to the flight which called for light and variable winds. Soon after departure, the winds increased from 4-6 knots to 6-8 knots, gusting to 15 knots. The pilot flew around waiting for winds to subside to no avail. The pilot was forced to land with the prevailing high winds when he started getting low on fuel.

Emergency & Consequences

Number of injured persons
0
Number of fatalities
0
Post-event summary
The pilot and co-pilot reported no injuries.

Lesson Learnt

Lesson Learnt

The pilot's inadvertent flight into adverse weather conditions during cruise flight and the unsuitable landing area encountered during the uncontrolled descent.

Factors relating to this accident were the high wind, the pilot's unsuccessful attempt to compensate for the wind conditions, the pilot's unsuccessful attempt to avoid the power lines during the landing, and the power lines.

Event Nature

Release type
gas
Involved substances (% vol)
H2 100%
Presumed ignition source
Short circuit

References

Reference & weblink

The original NTSB report is unavailable on the NTSB site, but it is reported also by the Plane Crash Map <br />
https://planecrashmap.com/plane/ks/D-OAGH/<br />
(accessed May 2020)

JRC assessment