# Schweizer SGS 1-23H-15

- Type: Aircraft model (FAA registry)
- Registry code: 8050112
- Manufacturer (registry): SCHWEIZER
- Model: SGS 1-23H-15
- Aircraft type: Glider
- Category: Glider
- Engines: None
- Seats: 1
- Weight class: Up to 12,499 lb
- Cruise speed: 58 mph
- Certification: Type certificated
- Data sheet: [TCDS 1G1](https://openairdocs.org/tcds/1G1) (OpenAirDocs)
- Holder: K & L Soaring LLC
- Registered aircraft: 10
- Page: https://openairdocs.org/model/schweizer-sgs-1-23h-15

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

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 87-17-01](https://openairdocs.org/ad/87-17-01): Tow Release Installation · K & L Soaring SGS 1-23, SGS 1-23D, SGS 1-23F and 25 more. Effective Aug 19, 1988
- [AD 87-02-01](https://openairdocs.org/ad/87-02-01): Tow-Release Installation Inspection · K & L Soaring SGM 2-37, SGS 1-23, SGS 1-23D and 32 more. Effective Jan 21, 1987
- [AD 71-17-09](https://openairdocs.org/ad/71-17-09): Loose Rudder Fittings · K & L Soaring SGS 1-23H and SGS 1-23H-15. Effective Aug 26, 1971

## Registered aircraft (10)

- [N10371](https://openairdocs.org/aircraft/N10371): [Morgan Philip S](https://openairdocs.org/faa-owner/MORGAN%20PHILIP%20S), [Dardanelle, AR](https://openairdocs.org/faa-place/AR/Dardanelle), built 1960, S/N 49
- [N10388](https://openairdocs.org/aircraft/N10388): [Mohawk Soaring Club Inc](https://openairdocs.org/faa-owner/MOHAWK%20SOARING%20CLUB%20INC), [Hoosick Falls, NY](https://openairdocs.org/faa-place/NY/Hoosick%20Falls), built 1960, S/N 50
- [N231SL](https://openairdocs.org/aircraft/N231SL): [Baker Kenneth J](https://openairdocs.org/faa-owner/BAKER%20KENNETH%20J), [Norridgewock, ME](https://openairdocs.org/faa-place/ME/Norridgewock), built 1964, S/N 68
- [N2405W](https://openairdocs.org/aircraft/N2405W): [Borchers Jonathan M](https://openairdocs.org/faa-owner/BORCHERS%20JONATHAN%20M), [Independence, OR](https://openairdocs.org/faa-place/OR/Independence), built 1966, S/N 73
- [N2433W](https://openairdocs.org/aircraft/N2433W): [Takallu M A](https://openairdocs.org/faa-owner/TAKALLU%20M%20A), [Norfolk, VA](https://openairdocs.org/faa-place/VA/Norfolk), built 1966, S/N 74
- [N423PH](https://openairdocs.org/aircraft/N423PH): [North Florida Soaring Society Inc](https://openairdocs.org/faa-owner/NORTH%20FLORIDA%20SOARING%20SOCIETY%20INC), [Jacksonville, FL](https://openairdocs.org/faa-place/FL/Jacksonville), built 1960, S/N 46
- [N8622R](https://openairdocs.org/aircraft/N8622R): [Bowlsbey Bryan](https://openairdocs.org/faa-owner/BOWLSBEY%20BRYAN), [Mclean, VA](https://openairdocs.org/faa-place/VA/Mclean), built 1961, S/N 58
- [N8638R](https://openairdocs.org/aircraft/N8638R): [Schweizer Kyle B](https://openairdocs.org/faa-owner/SCHWEIZER%20KYLE%20B), [Horseheads, NY](https://openairdocs.org/faa-place/NY/Horseheads), S/N 61
- [N8667R](https://openairdocs.org/aircraft/N8667R): [Tulsa Skyhawks Soaring Club](https://openairdocs.org/faa-owner/TULSA%20SKYHAWKS%20SOARING%20CLUB), [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa), built 1963, S/N 63
- [N922X](https://openairdocs.org/aircraft/N922X): [Conrad Craig M](https://openairdocs.org/faa-owner/CONRAD%20CRAIG%20M), [Hickory, NC](https://openairdocs.org/faa-place/NC/Hickory), built 1966, S/N 72

## NTSB investigations (9)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN24LA219](https://openairdocs.org/ntsb/CEN24LA219), Jun 8, 2024: Schweizer SGS 1-23H-15 (N8667R), Chouteau, OK, minor damage. Probable cause: The 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.
- [NTSB GAA18CA283](https://openairdocs.org/ntsb/GAA18CA283), May 13, 2018: Schweizer SGS123 (N9915J), Tunbridge, VT, substantial damage. Probable cause: The student glider’s inability to maintain altitude due to a loss of thermal lift, which resulted in an off-airport landing.
- [NTSB ERA13CA245](https://openairdocs.org/ntsb/ERA13CA245), May 14, 2013: Schweizer SGS 1-23H-15 (N9860E), Yadkinville, NC, substantial damage. Probable cause: The pilot's improper altitude management while maneuvering for an off-airport landing, which resulted in a collision with trees.
- [NTSB NYC88DHD03](https://openairdocs.org/ntsb/NYC88DHD03), Jul 2, 1988: Schweizer SGS 1-23H-15 (N8619R), Hammonton, NJ, destroyed. Probable cause: THE GLIDER PILOT'S FAILURE TO AVOID THE STALL/SPIN ENCOUNTERED DURING LOW ALTITUDE OPERATION IN THE TRAFFIC PATTERN.
- [NTSB NYC81DHA22](https://openairdocs.org/ntsb/NYC81DHA22), Sep 9, 1981: Schweizer 1-23H (N8622R), Blairstown, NJ, substantial damage
- [NTSB NYC81FNE27](https://openairdocs.org/ntsb/NYC81FNE27), Aug 23, 1981: Schweizer 1-23H (N8632R), Plymouth, CT, substantial damage
- [NTSB OAK73FVD38](https://openairdocs.org/ntsb/OAK73FVD38), May 13, 1973: Schweizer SGS-15 (N2747R), Livermore, CA, destroyed
- [NTSB OAK71AP038](https://openairdocs.org/ntsb/OAK71AP038), Apr 10, 1971: Schweizer SGS123 (N10364), Minden, NV, destroyed, 1 fatal
- [NTSB LAX70DVA12](https://openairdocs.org/ntsb/LAX70DVA12), Apr 21, 1970: Schweizer SGS123 (N10364), Mckittrick, CA, substantial damage

## FAA accident and incident reports (7)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20240608006159A](https://openairdocs.org/incident/20240608006159A), Jun 8, 2024: Schweizer SGS 1-23H-15 (N8667R), Pryor, OK, Minor damage. The regional operations center was notified about an accident involving a glider that happened on June 8, 2024, around 1230 local time at mid America…
- [Accident 20180513007149A](https://openairdocs.org/incident/20180513007149A), May 13, 2018: Schweizer SGS 1-23H-15 (N9915J), Turnbridge, VT, Substantial damage. Student 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…
- [Accident 20130514008409A](https://openairdocs.org/incident/20130514008409A), May 14, 2013: Schweizer SGS 1-23H-15 (N9860E), Yadkinville, NC, Substantial damage. Pilot 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…
- [Accident 19880702025339A](https://openairdocs.org/incident/19880702025339A), Jul 2, 1988: Scwzer SGS123H (N8619R), Hammonton, NJ, Destroyed. Glider became too low in pattern for landing. Tried to stretch glide. Stalled,spun and partial recovery prior impact
- [Accident 19810909059339A](https://openairdocs.org/incident/19810909059339A), Sep 9, 1981: Scwzer SGS123H (N8622R), Blairstown, NJ, Substantial damage. Glider hit fence in off airport landing because spoilers were deployed inadvertently.
- [Accident 19810823051499A](https://openairdocs.org/incident/19810823051499A), Aug 23, 1981: Scwzer SGS123H15 (N8632R), Plymouth, CT, Substantial damage. Set altimeter incorrectly. Believed higher than actual. Was short on aproach. Struck trees 20 feet from runway.
- [Accident 19730513018919A](https://openairdocs.org/incident/19730513018919A), May 13, 1973: Scwzer SGS123H15 (N2747R), Livermore, CA, Destroyed. Crashed on the side of a hill. Fixed single center wheel.

## PMA parts (OpenAirDocs) (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.

- [23804](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197875585120221007131636.0001): LH/RH Elevator Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 23804 · Oct 6, 2022
- [23801](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193263893220221007131635.0001): Horizontal Stabilizer Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 23801 · Oct 6, 2022
- [23704](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190426781120221007131633.0001): Rudder Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 23704 · Oct 6, 2022
- [23914](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184207811420221007131637.0001): Taper Pin Washer. K&L Soaring LLC · PMA PQ2164NE · Replaces 23914 · Oct 6, 2022
- [23705](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151658860620221007131634.0001): Vertical Fin Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 23705 · Oct 6, 2022
- [23000](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149206674920221007131625.0001): Fuselage Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 23000 · Oct 6, 2022
- [26468](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139628582820221007131630.0001): LH/RH Wing Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 26468 · Oct 6, 2022
- [23501](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137383883420221007131631.0001): LH/RH Aileron Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 23501 · Oct 6, 2022
- [23449](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101111080920221007131627.0001): Main Wing Taper Pin. K&L Soaring LLC · PMA PQ2164NE · Replaces 23449 · Oct 6, 2022
- [23801](https://drs.faa.gov/browse/excelExternalWindow/FF65C8ED538C1AEC86257953005E20E3.0001): Horizontal Stabilizer Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 23801 · Oct 26, 2011
- [23449](https://drs.faa.gov/browse/excelExternalWindow/FA8C158D0C857ED486257953005E1F3F.0001): Main Wing Taper Pin. K&L Soaring LLC · PMA PQ2164NE · Replaces 23449 · Oct 26, 2011
- [23804](https://drs.faa.gov/browse/excelExternalWindow/DBA5030ED3D5D8E686257953005E210F.0001): LH/RH Elevator Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 23804 · Oct 26, 2011
- [23704](https://drs.faa.gov/browse/excelExternalWindow/C45D52A0E5B18B6286257953005E2081.0001): Rudder Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 23704 · Oct 26, 2011
- [23705](https://drs.faa.gov/browse/excelExternalWindow/BBB446AD003B892886257953005E20B1.0001): Vertical Fin Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 23705 · Oct 26, 2011
- [23914](https://drs.faa.gov/browse/excelExternalWindow/98F3B08AF16AF78D86257953005E2130.0001): Taper Pin Washer. K&L Soaring LLC · PMA PQ2164NE · Replaces 23914 · Oct 26, 2011
- [23501](https://drs.faa.gov/browse/excelExternalWindow/90ED9684D074ABB786257953005E2001.0001): LH/RH Aileron Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 23501 · Oct 26, 2011
- [23000](https://drs.faa.gov/browse/excelExternalWindow/652B0E8574E0812986257953005E1EAF.0001): Fuselage Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 23000 · Oct 26, 2011
- [26468](https://drs.faa.gov/browse/excelExternalWindow/36FA1F374A3B46A486257953005E1FCA.0001): LH/RH Wing Assembly. K&L Soaring LLC · PMA PQ2164NE · Replaces 26468 · Oct 26, 2011
- [APS66-10600](https://drs.faa.gov/browse/excelExternalWindow/9D01F1C072009E8A8525703C006B15C2.0001): Brake Lining. Aviation Products Systems Inc · Replaces AP66-106, SB66-10600, ES-66-62-FM… · May 7, 2002

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