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Accidents · NTSB WPR11LA017 · Final report

Lindstrand Balloons 90A accident near Cottonwood, Arizona, October 16, 2010

On October 16, 2010 at about 2:37 pm local time, a Lindstrand Balloons 90A, registered N807PW, was substantially damaged in an accident during enroute (cruise) near Cottonwood, Arizona. It was a personal flight under general aviation rules (Part 91). 3 people were seriously injured and 1 person had minor injuries. The weather was visual conditions (good weather).

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The NTSB's probable cause their words, unchanged

The paraglider pilot's failure to see and avoid the hot air balloon, which resulted in a midair collision.

Source: NTSB aviation accident database, copy made October 4, 2026. Docket and reports at the NTSB.

What the record shows

Date
October 16, 2010 · about 2:37 pm local time
Place
Cottonwood, Arizona · map
Type
Accident
Injuries
3 people were seriously injured and 1 person had minor injuries.
Weather
visual conditions (good weather)
Aircraft
Lindstrand Balloons 90A · all 90As on the register
Registration
N807PW · registry record · serial 5381
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

The pilot of a hot air balloon reported that he was on a local area flight during an airport appreciation day at the departure airport. During the flight, he saw a powered paraglider maneuver close to the envelope of his hot air balloon. The paraglider subsequently collided with the envelope of the hot air balloon. The pilot of the unregistered paraglider reported that he was focused on taking photographs of another hot air balloon at the time and was not aware that he had maneuvered so close to the accident hot air balloon. The paraglider pilot attempted an evasive maneuver to avoid the hot air balloon; however, the paraglider flew into the side of the envelope, penetrating it. As the balloon and paraglider descended, they remained attached until ground impact.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

What happened, in order

  1. Midair collision during enroute (cruise) defining event

The NTSB's findings

  • cause Personnel issues › Psychological › Attention/monitoring › Monitoring other aircraft › Pilot of other aircraft
  • cause Environmental issues › Physical environment › Object/animal/substance › Aircraft › Response/compensation

Pilot

  • Certificate: private
  • Ratings: single-engine land; rotorcraft: balloon
  • Flight time: 344 hours in all; 4 in the last 90 days; 1 in the last 30 days
  • Medical certificate: None
  • Injury: minor injuries

The aircraft

  • Airframe total time: 92 hours
  • Last inspection: annual inspection, September 23, 2010
  • Maximum gross weight: 1,980 lb
  • Seats: 0
  • Landing gear: fixed

The flight

  • Departed from: P52 Cottonwood AZ at 2:00 pm
  • Destination: P52 Cottonwood AZ
  • Flight plan: none

Weather at the time

  • Light: daylight
  • Wind: from 040° at 6 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 59°F (15°C), dew point 36°F (2°C)
  • Altimeter: 30.20 inHg
  • Observation at 2:29 pm from SEZ, 14 miles away

Injuries

FatalSeriousMinorNone
Flight crew11
Passengers2

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

About this page

Everything above comes from the NTSB's public accident database: the narrative, probable cause and findings are the NTSB's own words, and the coded tables behind its report (pilot, aircraft, flight, weather, injuries, sequence of events) are written out in plain English. Pilots' ages, home towns and medical details are left out on purpose. The documents and photographs are the NTSB's docket, the folder of records gathered during the investigation, shown as the NTSB released them (the NTSB redacts some personal details first) and listed under the NTSB's own titles. This site's own text never names pilots, passengers or anyone else involved. A preliminary report describes what is known soon after the event and can change; the final report, with the probable cause, usually follows one to two years later and this page is refreshed when it does. Case number WPR11LA017.