# NTSB investigations: Schweizer SGS 2-33A: In flight collision with object

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB CHI07CA291](https://openairdocs.org/ntsb/CHI07CA291.md): Schweizer SGS 2-33A · Alliance, OH · Accident · Minor injuries · Data collection · Final report · Sep 1, 2007 · N65832 · Destroyed
  > The pilot's inattentiveness during the aircraft preflight and his failure to maintain clearance above the trees.
- [NTSB IAD03LA046](https://openairdocs.org/ntsb/IAD03LA046.md): Schweizer SGS 2-33A · Sterling, MA · Accident · No injuries · Limited investigation · Final report · Apr 19, 2003 · N1241S · Substantial damage
  > The student pilot's misjudgment of his traffic pattern altitudes, which resulted in a premature descent into a tree.
- [NTSB LAX02LA079](https://openairdocs.org/ntsb/LAX02LA079.md): Schweizer SGS 2-33A · Warner Springs, CA · Accident · No injuries · Limited investigation · Final report · Feb 4, 2002 · N34292 · Substantial damage
  > The student pilot's failure to maintain directional control during the landing sequence.
- [NTSB LAX97LA160](https://openairdocs.org/ntsb/LAX97LA160.md): Schweizer SGS 2-33A · Llano, CA · Accident · No injuries · Limited investigation · Final report · Apr 12, 1997 · N2037T · Substantial damage
  > the student pilot's inadequate compensation for the crosswind condition, and his failure to maintain proper altitude and clearance from the boundry fence, during an approach to land on the runway. Factors relating to the accident were: the crosswind, and…
- [NTSB IAD97LA062](https://openairdocs.org/ntsb/IAD97LA062.md): Schweizer SGS-233A · Woodbine, MD · Accident · Minor injuries · Limited investigation · Final report · Mar 9, 1997 · N2559H · Substantial damage
  > The pilot misjudged his altitude during approach.
- [NTSB ATL95LA155](https://openairdocs.org/ntsb/ATL95LA155.md): Schweizer 233A · Louisburg, NC · Accident · No injuries · Limited investigation · Final report · Aug 12, 1995 · N7592 · Substantial damage
  > The flight instructor's improper in-flight planning and decision, in that he failed to maintain sufficient altitude to clear the trees surrounding the airport, and failed to take into consideration the high density altitude at the time of the accident.
- [NTSB NYC95LA156](https://openairdocs.org/ntsb/NYC95LA156.md): Schweizer S-2-33A · Elmira, NY · Accident · No injuries · Limited investigation · Final report · Jul 9, 1995 · N3622X · Substantial damage
  > The pilot's delayed decision to return to the departure airport, which resulted in insufficient gliding altitude, and the subsequent off airport landing in the trees.
- [NTSB BFO95LA015](https://openairdocs.org/ntsb/BFO95LA015.md): Schweizer SGS 2-33A · Hilltown, PA · Accident · No injuries · Limited investigation · Final report · Nov 19, 1994 · N33938 · Substantial damage
  > Improper in-flight planning decision by the pilot, which resulted in insufficient altitude to maintain clearance from trees.
- [NTSB LAX94LA027](https://openairdocs.org/ntsb/LAX94LA027.md): Schweizer SGS 2-33A · Mokuleia, HI · Accident · No injuries · Limited investigation · Final report · Oct 28, 1993 · N7779S · Substantial damage
  > the student pilot's misjudgement of descent rate and terrain clearance while manuevering along a ridgeline. Factors in the accident were the downdrafts and the mountainous/hilly nature of the terrain.
- [NTSB BFO93LA161](https://openairdocs.org/ntsb/BFO93LA161.md): Schweizer SGS2-33A · Eighty Four, PA · Accident · No injuries · Limited investigation · Final report · Sep 6, 1993 · N34367 · Substantial damage
  > The pilot's utilization of improper procedures for setting the altimeter which led to his misjudging altitude.
- [NTSB CHI92LA197](https://openairdocs.org/ntsb/CHI92LA197.md): Schweizer SGS 2-33A · Manchester, MI · Accident · No injuries · Limited investigation · Final report · Jul 5, 1992 · N2524H · Substantial damage
  > The pilot's improper inflight planning/decisions, failure to make a precautionary landing when he realized he was too low to reach the airport, and attempting to stretch his glidepath to reach the runway.
- [NTSB MIA92LA028](https://openairdocs.org/ntsb/MIA92LA028.md): Schweizer SGS 2-33A · Groveland, FL · Accident · No injuries · Limited investigation · Final report · Nov 14, 1991 · N2890H · Substantial damage
  > Poor in-flight planning/decision by the pilot-in-command resulting in the off airport landing. Contributing to the accident was his lack of total experience.
- [NTSB LAX92LA021](https://openairdocs.org/ntsb/LAX92LA021.md): Schweizer SGS-2-33A · Fremont, CA · Accident · Serious injuries · Limited investigation · Final report · Oct 20, 1991 · N17886 · Destroyed
  > The pilot's inadequate altitude on final approach.
- [NTSB NYC90LA168](https://openairdocs.org/ntsb/NYC90LA168.md): Schweizer SGS-2-33A · Gt. Barrington, MA · Accident · Minor injuries · Limited investigation · Final report · Jul 21, 1990 · N2724H · Substantial damage
  > The pilot's failure to maintain adequate clearance from tree during the precautionary landing. Factor was a loss of thermal lift.
- [NTSB FTW90DPJ09](https://openairdocs.org/ntsb/FTW90DPJ09.md): Schweizer SGS 2-33A · Norman, OK · Accident · No injuries · Final report · Jul 8, 1990 · N65879 · Substantial damage
  > The pilot's misjudgement of proper glidepath.
- [NTSB CHI90LA036](https://openairdocs.org/ntsb/CHI90LA036.md): Schweizer SGS-2-33A · Waynesville, OH · Accident · No injuries · Limited investigation · Final report · Dec 3, 1989 · N2610H · Substantial damage
  > The dual student did not maintain proper glidepath and his misjudgment for compensation for wind conditions resulted in a collision with utility wires. The cfi's inadequate supervision during the duel flight operation contributed to the accident.
- [NTSB MKC88LA117](https://openairdocs.org/ntsb/MKC88LA117.md): Schweizer 2-33 · Warrensburg, MO · Accident · No injuries · Limited investigation · Final report · Jun 28, 1988 · N7546 · Substantial damage
  > During a student pilot's first solo in a glider, the plt said he misread the altimeter by 1000 feet. Attempting to land on the airport during the low approach, he struck trees, then a fence, before ground contact.
- [NTSB ATL87LA093](https://openairdocs.org/ntsb/ATL87LA093.md): Schweizer SGS 2-33 · Waynesville, OH · Accident · No injuries · Limited investigation · Final report · Mar 22, 1987 · N2959H · Substantial damage
  > During the instructional flt to demonstrate emergency procedures, the instructor stated that he allowed the student to get too low on approach before he took corrective action. The aircraft collided with trees and subsequently the ground approx. 600 feet…
- [NTSB LAX87LA035](https://openairdocs.org/ntsb/LAX87LA035.md): Schweizer SGS2-33A · Sun City, AZ · Accident · No injuries · Limited investigation · Final report · Nov 9, 1986 · N7558 · Substantial damage
  > While on a solo instructional flight, the pilot was unable to find sufficient lift & decided to turn back toward the airport for landing. Due to his low altitude, he was not able to fly a normal pattern entry. A downwind landing was attempted; however, before…
- [NTSB NYC85LA254](https://openairdocs.org/ntsb/NYC85LA254.md): Schweizer SGS 2-33A · Preble, NY · Accident · Minor injuries · Limited investigation · Final report · Sep 29, 1985 · N33920 · Substantial damage
  > A Schweizer N33920, collided with a utility pole while executing a go around at Preble airport, NY. The acft was destroyed. The plt and passenger received minor injuries. The plt stated that the first two flights were uneventful, but noticed the stall speed…
- [NTSB BFO85LA046](https://openairdocs.org/ntsb/BFO85LA046.md): Schweizer SGS 2-33A · Warrenton, VA · Accident · No injuries · Limited investigation · Final report · May 19, 1985 · N2885H · Substantial damage
  > The plt was obtaining transition tng fm pwrd acft to gliders and had flown 3 dual flts n N2885H on the morning of the accident with an instruction on board. The CFI then authorized him to fly his list solo flt and acft tkof obsvd the glider make what he…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8051606')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 220))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8051606&occurrence=220

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