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Schweizer SGS 1-26C

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Aircraft model · Glider · Glider · registry code 8050120

Manufacturer (registry)
SCHWEIZER
Model
SGS 1-26C
Registry code
8050120
Registered
55 aircraft
Type
Glider
Engines
None
Seats
1
Weight class
Up to 12,499 lb
Cruise speed
58 mph
Certification
Type certificated
Data sheet
TCDS1G10
Holder
K & L Soaring LLC

Model codes come from the FAA registry’s reference file. ADs are matched to them by model name and maker.

On this page

Aircraft by year built · 77

1956Registered nowDeregistered2026

Airworthiness directives that may apply · 2

ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1987In forceSuperseded2026
Query with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('8050120'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Registered aircraft · 55

N10356Dobbins John R · Green Valley, AZS/N 195N10374Wings Over Miami Museum Inc · Miami, FLBuilt 1961 · S/N 87N10378Lyon Richard K · Sun City, AZBuilt 1960 · S/N 69
See all 55 registered aircraft
Query with SQL
duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE aircraft_model_code IN ('8050120')
  ORDER BY n_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB investigations · 23

Aircraft matched to this model through the registry, by N-number and event date, checked against the reported serial number, make and model.

Defining event, 2008 on

Of 1 case NTSB coded with a defining event. All defining events

In the probable cause, 2008 on

Findings NTSB made part of the probable cause. A case can have several. All findings

First occurrence, 1982 to 2007

Of 6 cases with NTSB’s older coding, defined in its coding manual.

NTSB CEN25LA202Accident · No injuriesClass 4 · LimitedFinal reportSchweizer SGS 1-26C · Hampshire, ILThe pilot’s failure to maintain a proper altitude during the approach, which resulted in overshooting the landing area, a runway excursion, and impact with terrain.Jun 1, 2025 · N9839E · Substantial damageNTSB NYC07CA172Accident · Minor injuriesData collectionFinal reportSchweizer SGS 1-26C · Windsor, VAThe pilot's failure to properly plan the approach to the airport, which resulted in an in-flight collision with a tree. A factor was the gusty wind conditions.Jul 22, 2007 · N2743Z · Substantial damageNTSB LAX00LA240Accident · 1 fatalLimited investigationFinal reportSchweizer SGS 1-26C · Tehachapi, CAThe pilot's failure to maintain aircraft speed and control while maneuvering to land.Jun 23, 2000 · N2792Z · Substantial damage
See all 23 investigations
Query with SQL
duckdb -csv -c "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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.aircraft_model_code IN ('8050120')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

FAA incident reports · 21

Matched to this model through the registry, by N-number and event date, checked against the reported make and model.

Accident 20250601012739ASchweizer SGS 1-26C · Hampshire, ILOn June 1, 2025, at 1500 local time, a private pilot was operating a Schweizer sgs 1-26C glider, in the vicinity of Sky Soaring Airport (55LL) in Hampshire, IL on a local recreational flight. There were no passengers on board. The flight was conducted in…Jun 1, 2025 · N9839E · Substantial damageAccident 20070722013679AScwzer SGS126C · Isle Of Wight, VA(-23) The pilot stated that on 07/22/2007, he departed garner field (3VA8) at 12:00 local time, was towed up to 3000' AGL and released. He climbed to 5200' and flew to smithfield, VA, then windsor, VA (southwest of 3VA8) then headed back to garner, VA. At…Jul 22, 2007 · N2743Z · Substantial damageAccident 20000623007759AScwzer SGS126C · Tehachapi, CA(-23) No witnesses were available that saw the entire event of this accident. Aircraft was at approx 300 to 400 ft. AGL, flying base to runway 27, airspeed was low. Pilot initiated a turn to the right (parallel to runway 27) early, due to lack of enough…Jun 23, 2000 · N2792Z · Substantial damage · 1 fatal
See all 21 incident reports
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE aircraft_model_code IN ('8050120')
  ORDER BY event_date DESC, report_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Service difficulty reports

No reports name this modelGeneral aviation reporting is voluntary.

STCs that may be installed · 8

Approved for this model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.

STC SA01734SEApplication of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.Andrew D. HumphreySTC SA1008WEInstallation of Poly-Fiber covering material.Poly-Fiber Inc.STC SG01164CHInstall Cooper superflite 102 fabric.Aviation Products Systems Inc.STC SG1265GLSurrendered and incorporated into STC SG01164CH.Cooper Aviation Supply Company, Inc.STC SA1351WEReplace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12)Ceconite IncSTC SG10WEReplace existing fabric on wings, fuselage, empennage, and/or control surfaces with Ceconite103 material.Ceconite IncSTC SG4-1240Installation of Eonnex cover on aircraft surfaces.Ceconite, IncSTC SG4WECeconite 101 covering of complete aircraft.Cooper Engineering Corporation · Lists SGS 1-26 Series
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(matched_model) AS matched_model
    FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
    WHERE aircraft_model_code IN ('8050120')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

Schweizer-Holland Hill Flying SGS 1-26C0 registered aircraftRegistry code 8050121Schweizer-Holland SGS 1-26C0 registered aircraftRegistry code 8050521
Query with SQL
duckdb -csv -c "SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
  WHERE m.match_key = 'SGS126C' AND m.code NOT IN ('8050120')
  GROUP BY ALL
  ORDER BY aircraft DESC
  LIMIT 12"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.