Aircraft model · Glider · Glider · registry code 8050112

Manufacturer (registry)
SCHWEIZER
Model
SGS 1-23H-15
Registry code
8050112
Registered
10 aircraft
Type
Glider
Engines
None
Seats
1
Weight class
Up to 12,499 lb
Cruise speed
58 mph
Certification
Type certificated
Data sheet
TCDS1G1
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 · 13

1960Registered nowDeregistered2026
Aircraft by the year they were built: 13 aircraft
19603
19611
19622
19631
19641
19651
19664

Airworthiness directives that may apply · 3

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

1971In forceSuperseded2026
ADs by the year they took effect: 3 ADs
19711
19871
19881
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 ('8050112'))
  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 · 10

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 ('8050112')
  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 · 9

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

NTSB CEN24LA219Accident · Serious injuriesClass 4 · LimitedFinal reportSchweizer SGS 1-23H-15 · Chouteau, OKThe student pilot’s failure to maintain control of the glider while landing. Contributing to the accident was the unclear communications between the student pilot and instructor.Jun 8, 2024 · N8667R · Minor damageNTSB GAA18CA283Accident · No injuriesData collectionFinal reportSchweizer SGS123 · Tunbridge, VTThe student glider’s inability to maintain altitude due to a loss of thermal lift, which resulted in an off-airport landing.May 13, 2018 · N9915J · Substantial damageNTSB ERA13CA245Accident · Minor injuriesData collectionFinal reportSchweizer SGS 1-23H-15 · Yadkinville, NCThe pilot's improper altitude management while maneuvering for an off-airport landing, which resulted in a collision with trees.May 14, 2013 · N9860E · Substantial damageNTSB NYC88DHD03Accident · Serious injuriesFinal reportSchweizer SGS 1-23H-15 · Hammonton, NJThe glider pilot's failure to avoid the stall/spin encountered during low altitude operation in the traffic pattern.Jul 2, 1988 · N8619R · DestroyedNTSB NYC81DHA22Accident · Minor injuriesClosedSchweizer 1-23H · Blairstown, NJSep 9, 1981 · N8622R · Substantial damageNTSB NYC81FNE27Accident · No injuriesClosedSchweizer 1-23H · Plymouth, CTAug 23, 1981 · N8632R · Substantial damageNTSB OAK73FVD38Accident · Serious injuriesClosedSchweizer SGS-15 · Livermore, CAMay 13, 1973 · N2747R · DestroyedNTSB OAK71AP038Accident · 1 fatalClosedSchweizer SGS123 · Minden, NVApr 10, 1971 · N10364 · DestroyedNTSB LAX70DVA12Accident · No injuriesClosedSchweizer SGS123 · Mckittrick, CAApr 21, 1970 · N10364 · Substantial damage
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 ('8050112')
  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 · 7

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

Accident 20240608006159ASchweizer SGS 1-23H-15 · Pryor, OKThe regional operations center was notified about an accident involving a glider that happened on June 8, 2024, around 1230 local time at mid America Industrial park (H71). The glider was found in the hanger with damage to the right dive break. The damage…Jun 8, 2024 · N8667R · Minor damageAccident 20180513007149ASchweizer SGS 1-23H-15 · Turnbridge, VTStudent glider pilot departed the post mills airport (2B9) for a glider flight. As he was returning back to post mills airport in the area of tunbridge, VT (west of post mills) student pilot was unable to find enough lift to cross a section of forest between…May 13, 2018 · N9915J · Substantial damageAccident 20130514008409ASchweizer SGS 1-23H-15 · Yadkinville, NCPilot departed Bahnson (43NC) at 1400 EDT, after approximately 1HR. 25 min. Of soaring, pilot attempted to return to 43NC. Pilot stated he encountered a very significant area of sink, he realized that a return to 43NC was approaching the limit of the glider…May 14, 2013 · N9860E · Substantial damageAccident 19880702025339AScwzer SGS123H · Hammonton, NJGlider became too low in pattern for landing. Tried to stretch glide. Stalled,spun and partial recovery prior impactJul 2, 1988 · N8619R · DestroyedAccident 19810909059339AScwzer SGS123H · Blairstown, NJGlider hit fence in off airport landing because spoilers were deployed inadvertently.Sep 9, 1981 · N8622R · Substantial damageAccident 19810823051499AScwzer SGS123H15 · Plymouth, CTSet altimeter incorrectly. Believed higher than actual. Was short on aproach. Struck trees 20 feet from runway.Aug 23, 1981 · N8632R · Substantial damageAccident 19730513018919AScwzer SGS123H15 · Livermore, CACrashed on the side of a hill. Fixed single center wheel.May 13, 1973 · N2747R · Destroyed
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 ('8050112')
  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.

PMA parts · 19

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

See all 19 PMA parts
Query with SQL
duckdb -csv -c "SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
  FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
  WHERE tcds_number IN ('1G1')
    AND len(list_intersect(tcds_models, ['SGS 1-23H-15'])) > 0
  ORDER BY supplement_date DESC, drs_guid 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.