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Accidents · NTSB ERA22LA370 · Final report

Schweizer SGS 2-33A accident near Shirley, New York, August 4, 2022

On August 4, 2022 at about 7:57 pm local time, a 1977 Schweizer SGS 2-33A (glider), registered N2055T, was substantially damaged in an accident during takeoff near Shirley, New York (Brookhaven airport). It was an instructional flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).

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The NTSB's probable cause their words, unchanged

The flight instructor’s failure to ensure clearance from an electrical junction box during takeoff, which resulted in a collision.

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

What the record shows

Date
August 4, 2022 · about 7:57 pm local time
Place
Shirley, New York · Brookhaven · map
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Schweizer SGS 2-33A, built 1977 · all SGS 2-33As on the register
Registration
N2055T · registry record · serial 495
Damage
Substantial damage
Flight
Instructional flight · general aviation rules (Part 91)

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

The flight instructor of the glider reported that the takeoff for the instruction flight was along a grass area adjacent to a paved runway. The takeoff began with the right wing down to practice a standard unassisted takeoff. As the takeoff roll began, the right wing rose, and the glider entered ground effect. Several seconds later, the flight instructor heard a “boom” as the glider bounced up. He then released the tow rope and landed straight down the grass runway uneventfully. The flight instructor exited the glider and noted damage to the right wing as a result of a collision with an electrical junction box for the runway’s precision approach path indicator. He added that there were no preimpact mechanical malfunctions with the glider. Postaccident examination of the glider by a Federal Aviation Administration inspector confirmed substantial damage to the glider’s right aileron.

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. Collision during takeoff/land during takeoff defining event

The NTSB's findings

  • Aircraft › Aircraft oper/perf/capability › Performance/control parameters › Heading/course › Not attained/maintained
  • Personnel issues › Psychological › Attention/monitoring › Monitoring environment › Instructor/check pilot

Pilot

  • Certificate: flight instructor, commercial pilot, private
  • Ratings: instructor: glider; rotorcraft: glider
  • Flight time: 209 hours in all; 177 in this make and model; 29 in the last 90 days; 16 in the last 30 days; 153 as pilot in command; 60 on instruments
  • Last flight review: December 12, 2020
  • Medical certificate: None
  • Seat: rear
  • Injury: no injuries

Dual student

  • Certificate: commercial pilot, private
  • Ratings: single-engine land; instrument: airplane
  • Flight time: 329 hours in all; 3 in this make and model; 231 as pilot in command
  • Last flight review: July 9, 1994
  • Medical certificate: Class 3 (without waivers/limitations)
  • Seat: frt
  • Injury: no injuries

The aircraft

  • Airframe total time: 3,163.4 hours
  • Last inspection: annual inspection, August 16, 2021
  • Maximum gross weight: 1,040 lb
  • Seats: 2
  • Landing gear: fixed
  • Operator: Long Island Soaring Association INC

The flight

  • Departed from: HWV Shirley NY at 7:57 pm
  • Flight plan: none
  • Runway 15, 4,222 ft by 150 ft
  • A second pilot was aboard

Weather at the time

  • Light: daylight
  • Wind: from 170° at 11 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 88°F (31°C), dew point 68°F (20°C)
  • Altimeter: 30.04 inHg
  • Observation at 3:56 pm from KHWV

Weather report (METAR): KHWV 041956Z AUTO 17011KT 10SM CLR 31/20 A3004

Injuries

FatalSeriousMinorNone
Flight crew2

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.

Other NTSB records under N2055T the same tail number, which may have belonged to a different aircraft at the time

2000-10-21NYC01LA020 · accident near Shirley, NY · substantial damage · no injuries
1990-03-25NYC90LA082 · accident near Brookhaven, NY · minor damage · serious injuries

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 ERA22LA370.