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Accidents · NTSB WPR11CA208 · Final report

Amateur-built H101 SALTO accident near Peoria, Arizona, April 24, 2011

On April 24, 2011 at about 10:24 pm local time, a amateur-built H101 SALTO (glider), registered N110AZ, was substantially damaged in an accident during maneuvering near Peoria, Arizona (Pleasant Valley Airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The glider's encounter with turbulence and loss of lift, which resulted in a ditching in a lake.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
April 24, 2011 · about 10:24 pm local time
Place
Peoria, Arizona · Pleasant Valley Airport · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Amateur-built H101 SALTO
Registration
N110AZ · registry record · serial 61
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

The local soaring flight departed via air-tow. Upon entering two back-to-back thermals, the glider climbed to an altitude of 9,000 feet mean sea level. The pilot maneuvered the glider toward marker clouds for additional thermaling; however, he encountered what he described as severe turbulence and decided to head back to the airport. Just abeam the northwest end of a lake near the airport, the glider encountered turbulence along with a high sink rate. The pilot reported the sink rate to be from 500 to 800 feet per minute (fpm), with extremes up to 1,200 fpm to 1,500 fpm. The pilot attempted to maneuver the glider to minimize its time in the sink condition. He realized that he was not going to make it back to the airport and started to look for a place to land. Due to busy roads and full parking lots, he chose to land along the shoreline of the lake. The glider touched down about 30 yards from the shore. The pilot stated that, in retrospect, he believes that the glider was caught on the leeward side of a ridge or the downdraft of a wave. He reported no mechanical anomalies with the glider prior to the accident. The right side of the tail separated from the glider during the ditching and damage occurred to the spoilers and ailerons.

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. Loss of lift during maneuvering defining event
  2. Ditching during emergency descent

The NTSB's findings

  • cause Environmental issues › Conditions/weather/phenomena › Turbulence › Terrain induced turbulence › Effect on operation

Pilot

  • Certificate: airline transport pilot, flight instructor, commercial pilot, private
  • Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine; instructor: instrument airplane; instrument: airplane; rotorcraft: glider
  • Flight time: 7,190 hours in all; 8 in this make and model; 8 in the last 90 days
  • Last flight review: November 11, 2010
  • Medical certificate: None
  • Seat: sngl
  • Injury: no injuries

The aircraft

  • Airframe total time: 850 hours
  • Last inspection: annual inspection, February 15, 2011
  • Maximum gross weight: 683 lb
  • Seats: 1
  • Landing gear: fixed

The flight

  • Departed from: P48 Peoria AZ at 9:17 pm
  • Destination: P48 Peoria AZ
  • Flight plan: none

Weather at the time

  • Light: daylight
  • Wind: at 10 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Flight crew1

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

2 documents, released by the NTSB on June 7, 2011. View them here, or download them; the NTSB redacts some personal details before release, and this site shows the NTSB's own titles rather than its file names.

The same docket at the NTSB · documents without a copy here are fetched from the NTSB when you open them.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.