# Schweizer SGS 1-35C - Type: Aircraft model (FAA registry) - Registry code: 8050151 - Manufacturer (registry): SCHWEIZER - Model: SGS 1-35C - Aircraft type: Glider - Category: Glider - Engines: None - Seats: 1 - Weight class: Up to 12,499 lb - Cruise speed: 105 mph - Certification: Type certificated - Data sheet: [TCDS G4EA](https://openairdocs.org/tcds/G4EA) (OpenAirDocs) - Holder: K & L Soaring LLC - Registered aircraft: 26 - Page: https://openairdocs.org/model/schweizer-sgs-1-35c 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 ## Registered aircraft (26) - [N135CS](https://openairdocs.org/aircraft/N135CS): [Nick Kevin E](https://openairdocs.org/faa-owner/NICK%20KEVIN%20E), [Loma Linda, CA](https://openairdocs.org/faa-place/CA/Loma%20Linda), S/N 98 - [N135DB](https://openairdocs.org/aircraft/N135DB): [Davis Michael D](https://openairdocs.org/faa-owner/DAVIS%20MICHAEL%20D), [Boerne, TX](https://openairdocs.org/faa-place/TX/Boerne), built 1977, S/N 76 - [N135EX](https://openairdocs.org/aircraft/N135EX): [Delash John](https://openairdocs.org/faa-owner/DELASH%20JOHN), [Williamson, GA](https://openairdocs.org/faa-place/GA/Williamson), built 1977, S/N 72 - [N135JR](https://openairdocs.org/aircraft/N135JR): [Tampa Bay Soaring Society Inc](https://openairdocs.org/faa-owner/TAMPA%20BAY%20SOARING%20SOCIETY%20INC), [Zephyrhills, FL](https://openairdocs.org/faa-place/FL/Zephyrhills), built 1977, S/N 82 - [N13Z](https://openairdocs.org/aircraft/N13Z): [Kirschman Kim C](https://openairdocs.org/faa-owner/KIRSCHMAN%20KIM%20C), [Ankeny, IA](https://openairdocs.org/faa-place/IA/Ankeny), S/N 79 - [N2000D](https://openairdocs.org/aircraft/N2000D): [Mcallister Samuel M](https://openairdocs.org/faa-owner/MCALLISTER%20SAMUEL%20M), [Grand Blanc, MI](https://openairdocs.org/faa-place/MI/Grand%20Blanc), built 1977, S/N 84 - [N2671H](https://openairdocs.org/aircraft/N2671H): [Hatfield Michael O](https://openairdocs.org/faa-owner/HATFIELD%20MICHAEL%20O), [Fredericksburg, VA](https://openairdocs.org/faa-place/VA/Fredericksburg), built 1976, S/N 71 - [N2675H](https://openairdocs.org/aircraft/N2675H): [Beckman James E](https://openairdocs.org/faa-owner/BECKMAN%20JAMES%20E), [Great Meadows, NJ](https://openairdocs.org/faa-place/NJ/Great%20Meadows), built 1977, S/N 75 - [N2709H](https://openairdocs.org/aircraft/N2709H): [Major Travis S](https://openairdocs.org/faa-owner/MAJOR%20TRAVIS%20S), [Phoenix, AZ](https://openairdocs.org/faa-place/AZ/Phoenix), built 1978, S/N 89 - [N2774H](https://openairdocs.org/aircraft/N2774H): [Knauth Geoffrey Stanton](https://openairdocs.org/faa-owner/KNAUTH%20GEOFFREY%20STANTON), [Williamsport, PA](https://openairdocs.org/faa-place/PA/Williamsport), built 1977, S/N 74 - [N2776H](https://openairdocs.org/aircraft/N2776H): [Montgomery Raymond Lee](https://openairdocs.org/faa-owner/MONTGOMERY%20RAYMOND%20LEE), [Blackfoot, ID](https://openairdocs.org/faa-place/ID/Blackfoot), built 1978, S/N 86 - [N2779H](https://openairdocs.org/aircraft/N2779H): [Ludolph William K](https://openairdocs.org/faa-owner/LUDOLPH%20WILLIAM%20K), [Brooklyn, NY](https://openairdocs.org/faa-place/NY/Brooklyn), built 1976, S/N 59 - [N2780H](https://openairdocs.org/aircraft/N2780H): [Morrison Brian D](https://openairdocs.org/faa-owner/MORRISON%20BRIAN%20D), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque), built 1977, S/N 80 - [N2813H](https://openairdocs.org/aircraft/N2813H): [Davenport Lawrence H](https://openairdocs.org/faa-owner/DAVENPORT%20LAWRENCE%20H), [Brandon, FL](https://openairdocs.org/faa-place/FL/Brandon), built 1979, S/N 93 - [N2817H](https://openairdocs.org/aircraft/N2817H): [Elliott Donald E III](https://openairdocs.org/faa-owner/ELLIOTT%20DONALD%20E%20III), [Lexington, SC](https://openairdocs.org/faa-place/SC/Lexington), S/N 77 - [N2846H](https://openairdocs.org/aircraft/N2846H): [Sparta Rotors](https://openairdocs.org/faa-owner/SPARTA%20ROTORS), [New York, NY](https://openairdocs.org/faa-place/NY/New%20York), built 1976, S/N 66 - [N2880H](https://openairdocs.org/aircraft/N2880H): [Leonard Glenn D](https://openairdocs.org/faa-owner/LEONARD%20GLENN%20D), [Ruidoso, NM](https://openairdocs.org/faa-place/NM/Ruidoso), built 1976, S/N 70 - [N2883H](https://openairdocs.org/aircraft/N2883H): [Tisdale William H](https://openairdocs.org/faa-owner/TISDALE%20WILLIAM%20H), [Milford, NH](https://openairdocs.org/faa-place/NH/Milford), S/N 83 - [N2895H](https://openairdocs.org/aircraft/N2895H): [Skinner John Jay](https://openairdocs.org/faa-owner/SKINNER%20JOHN%20JAY), [Citrus Springs, FL](https://openairdocs.org/faa-place/FL/Citrus%20Springs), built 1978, S/N 95 - [N2922H](https://openairdocs.org/aircraft/N2922H): [Umphlette Charles B Jr](https://openairdocs.org/faa-owner/UMPHLETTE%20CHARLES%20B%20JR), [Suffolk, VA](https://openairdocs.org/faa-place/VA/Suffolk), built 1978, S/N 92 - [N2924H](https://openairdocs.org/aircraft/N2924H): [Reilman Robert F Jr](https://openairdocs.org/faa-owner/REILMAN%20ROBERT%20F%20JR), [Colorado Springs, CO](https://openairdocs.org/faa-place/CO/Colorado%20Springs), built 1979, S/N 94 - [N2927H](https://openairdocs.org/aircraft/N2927H): [Crowley James S](https://openairdocs.org/faa-owner/CROWLEY%20JAMES%20S), [Riverview, FL](https://openairdocs.org/faa-place/FL/Riverview), built 1980, S/N 97 - [N2966H](https://openairdocs.org/aircraft/N2966H): [Lannom Tony F](https://openairdocs.org/faa-owner/LANNOM%20TONY%20F), [Fort Davis, TX](https://openairdocs.org/faa-place/TX/Fort%20Davis), built 1979, S/N 96 - [N35AC](https://openairdocs.org/aircraft/N35AC): [Gaddy Larry J](https://openairdocs.org/faa-owner/GADDY%20LARRY%20J), [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland), built 1976, S/N 63 - [N3620E](https://openairdocs.org/aircraft/N3620E): [Harris Hill Soaring Corp](https://openairdocs.org/faa-owner/HARRIS%20HILL%20SOARING%20CORP), [Elmira, NY](https://openairdocs.org/faa-place/NY/Elmira), built 1981, S/N 100 - [N55PS](https://openairdocs.org/aircraft/N55PS): [Bauer Douglas M](https://openairdocs.org/faa-owner/BAUER%20DOUGLAS%20M), [Pahrump, NV](https://openairdocs.org/faa-place/NV/Pahrump), built 1976, S/N 64 ## NTSB investigations (14) 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 CEN22FA224](https://openairdocs.org/ntsb/CEN22FA224), Jun 5, 2022: Schweizer SGS135 (N2817H), Midlothian, TX, no damage, 1 fatal. Probable cause: The pilot’s incapacitation by an aortic dissection (natural disease). - [NTSB CHI07CA233](https://openairdocs.org/ntsb/CHI07CA233), Jul 20, 2007: Schweizer SGS 1-35C (N135EX), Northfield, MN, substantial damage. Probable cause: The pilot's failure to maintain adequate airspeed, which resulted in a stall during the off-airport landing. A factor contributing to the accident was the dirt/rock pile. - [NTSB LAX93LA324](https://openairdocs.org/ntsb/LAX93LA324), Aug 15, 1993: Schweizer 1-35C (N2562H), Wickenburg, AZ, destroyed. Probable cause: the pilot's failure to maintain an adequate airspeed margin while maneuvering to land, resulting in an inadvertent stall/spin. - [NTSB SEA92LA098](https://openairdocs.org/ntsb/SEA92LA098), May 20, 1992: Schweizer SGS-1-35C (N2739H), Big Timber, MT, substantial damage. Probable cause: AIRSPEED WAS NOT MAINTAINED. FACTORS TO THE ACCIDENT WERE: NO THERMAL LIFT AND INADEQUATE REMEDIAL ACTION. - [NTSB SEA92LA036](https://openairdocs.org/ntsb/SEA92LA036), Jan 5, 1992: Schweizer SGS-1-35C (N2818H), Hood River, OR, destroyed. Probable cause: POOR PREFLIGHT PLANNING AND PREPARATION ALONG WITH THE PILOT'S RESTRICTED VISIBILITY. FACTORS TO THE ACCIDENT WERE: CLOUDS AND VFR FLIGHT INTO IMC. - [NTSB BFO90LA021](https://openairdocs.org/ntsb/BFO90LA021), Nov 12, 1989: Schweizer SGS-1-35C (N2880H), Paint Bank, VA, substantial damage. Probable cause: THE PILOT'S IMPROPER INFLIGHT PLANNING WHICH LED TO AN OFF-AIRPORT LANDING AFTER ENCOUNTERING DETERIORATING LIFT CONDITIONS. CONTRIBUTING FACTORS WERE THE MOUNTAINOUS TERRAIN AND LACK OF A SUITABLE… - [NTSB LAX86FUG05](https://openairdocs.org/ntsb/LAX86FUG05), Sep 27, 1986: Schweizer SGS-1-35C (N2673H), Palm Springs, CA, substantial damage - [NTSB NYC86FA017](https://openairdocs.org/ntsb/NYC86FA017), Oct 25, 1985: Schweizer SGS-1-35C (N2565H), North Conway, NH, destroyed, 1 fatal - [NTSB LAX83FA386](https://openairdocs.org/ntsb/LAX83FA386), Aug 14, 1983: Schweizer SGS 1-35C (N2941H), Jamul, CA, destroyed, 1 fatal - [NTSB NYC81FFJ11](https://openairdocs.org/ntsb/NYC81FFJ11), May 9, 1981: Schweizer 1-35C (N135RS), Java, NY, substantial damage - [NTSB NYC81DHA12](https://openairdocs.org/ntsb/NYC81DHA12), May 3, 1981: Schweizer 1-35C (N2705H), Blairstown, NJ, destroyed - [NTSB LAX80DUG40](https://openairdocs.org/ntsb/LAX80DUG40), May 26, 1980: Schweizer 1-35C (N2675H), Perris, CA, substantial damage - [NTSB DEN79DTE38](https://openairdocs.org/ntsb/DEN79DTE38), May 13, 1979: Schweizer SGS135 (N2739H), Colorado Spr, CO, substantial damage - [NTSB NYC78DHA40](https://openairdocs.org/ntsb/NYC78DHA40), Sep 30, 1978: Schweitzer 1-35C (N2776H), Kutztown, PA, substantial damage ## FAA accident and incident reports (14) 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 20220605022179A](https://openairdocs.org/incident/20220605022179A), Jun 5, 2022: Schweizer SGS 1-35C (N2817H), Midlothian, TX, No damage, 1 fatal. Midlothian TX: (TA11):[privacy data omitted] single seat, mid-wing glider, SGS1-35G, landed 1/2 mile short of the runway due to unknown circumstances. No ATC… - [Accident 20070720019869A](https://openairdocs.org/incident/20070720019869A), Jul 20, 2007: Scwzer SGS135C (N135EX), Stanton, MN, Substantial damage. (-23) The pilot airman [privacy data omitted] encountered unexpected aerial downdrafts, which led to an off field glider landing, 4 miles from the intended… - [Accident 19930815029459A](https://openairdocs.org/incident/19930815029459A), Aug 15, 1993: Scwzer SGS135C (N2562H), Wickenburg, AZ, Destroyed. Unable to reach airport. Stalled and spun in trying to avoid powerlines during off airport landing. - [Accident 19920520015539A](https://openairdocs.org/incident/19920520015539A), May 20, 1992: Scwzer SGS135C (N2739H), Big Timber, MT, Substantial damage. Unable to make destination due to loss of thermals. Selected a field. High sink rate on final,unable to correct. - [Accident 19920105000099A](https://openairdocs.org/incident/19920105000099A), Jan 5, 1992: Scwzer SGS135C (N2818H), Hood River, OR, Destroyed. Canopy fogged up on tow. Released. Unable to see out,entered cloud. Jettisoned canopy. Broke out. Hit trees landing - [Accident 19891112066349A](https://openairdocs.org/incident/19891112066349A), Nov 12, 1989: Scwzer SGS135C (N2880H), Paint Bank, VA, Destroyed. Unsuitable thermals for crosscountry trip. Turned back, unable to clear ridge put glider into trees. - [Accident 19860927046969A](https://openairdocs.org/incident/19860927046969A), Sep 27, 1986: Scwzer SGS135C (N2673H), Palm Springs, CA, Substantial damage. Glider pilot failed to stay close enough to a recovery field. During emergency pattern,aircraft spun to the ground. - [Accident 19851025053949A](https://openairdocs.org/incident/19851025053949A), Oct 25, 1985: Scwzer SGS135C (N2565H), North Conway, NH, Destroyed. Pulled up from 20 feet AGL to clear a treeline. Banked and stalled impacting the ground. - [Accident 19830814040679A](https://openairdocs.org/incident/19830814040679A), Aug 14, 1983: Scwzer SGS135C (N2941H), Jamul, CA, Substantial damage. Crash occurred during ridge soaring by inexperienced glider pilot. Glider crashed on downwind side of ridge. - [Accident 19810509022739A](https://openairdocs.org/incident/19810509022739A), May 9, 1981: Scwzer SGS135 (N135RS), Java, NY, Substantial damage. Aircraft stalled and spun in while in traffic pattern for landing. Pilot indicates that altimeter was set wrong. - [Accident 19810503022109A](https://openairdocs.org/incident/19810503022109A), May 3, 1981: Scwzer SGS135 (N2705H), Blairstown, NJ, Destroyed. Glider pilot released tow because of turbulence immediately after takeoff and crashed into trees. - [Accident 19800526019699A](https://openairdocs.org/incident/19800526019699A), May 26, 1980: Scwzer SGS135C (N2675H), Perris, CA, Substantial damage. Pilot attempted downwind landing because of wind shift during flight. - [Accident 19790516018939A](https://openairdocs.org/incident/19790516018939A), May 16, 1979: Scwzer SGS135C (N2739H), Colorado Spring, CO, Substantial damage. Glider pilot lost thermal lift. Landed in pasture. Hit rocks. - [Accident 19780930029969A](https://openairdocs.org/incident/19780930029969A), Sep 30, 1978: Scwzer SGS135C (N2776H), Kutztown, PA, Substantial damage ## STCs that may be installed (OpenAirDocs) (1) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SA01734SE](https://openairdocs.org/stc/SA01734SE): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts. Andrew D. Humphrey --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.