# N17914: 1973 Schweizer SGS 2-33A - Status: Valid registration - Airframe: [Schweizer SGS 2-33A](https://openairdocs.org/model/schweizer-sgs-2-33a) (registry code 8051606, 2 seats) - Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000) - Data sheets: [TCDS G2EA](https://openairdocs.org/tcds/G2EA) (K & L Soaring LLC) (OpenAirDocs) - Serial number: 290 - Year built: 1973 - Type: Glider - Engine type: None - Airworthiness: Standard, glider - Airworthiness date: July 23, 1973 - Certificate issued: December 9, 2024 - Expires: December 31, 2031 - Mode S code: A13D34 - Registered owners: [Toews Donald W](https://openairdocs.org/faa-owner/TOEWS%20DONALD%20W), [Fisher Douglas C](https://openairdocs.org/faa-owner/FISHER%20DOUGLAS%20C) - Location: [Waipahu, HI](https://openairdocs.org/faa-place/HI/Waipahu) - Owner type: Co-owned - Owner's area on the map: 21.4084° N, 158.0176° W: Placed by OpenAirDocs at the center of ZIP code 96797, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=17914 - Page: https://openairdocs.org/aircraft/N17914 From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 4 in force ### Matched by airframe (Schweizer SGS 2-33A) - [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 76-13-11 R1](https://openairdocs.org/ad/76-13-11-R1): Aft Fuselage Longerons · K & L Soaring SGS 2-33, SGS 2-33A, SGU 2-22C and 3 more. Effective May 25, 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 77-23-10](https://openairdocs.org/ad/77-23-10): Spar Web and Bolts · K & L Soaring SGS 2-33, SGS 2-33A and SGS 2-33AK. Effective Jun 21, 1978 ### Matched by engine (NONE) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations (1) 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 LAX00LA009](https://openairdocs.org/ntsb/LAX00LA009), Oct 14, 1999: Schweizer SGS-2-33A (N17914), Waialua, HI, substantial damage. Probable cause: The pilot's delay in recognizing the onset of a wind direction change resulting in the downward flow of wind on the leeward side of the mountain (strong sink rate). ## FAA accident and incident reports (4) 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 19991013042669A](https://openairdocs.org/incident/19991013042669A), Oct 13, 1999: Scwzer SGS233A (N17914), Waialua, HI, Substantial damage. (.4)Prior to departure for a supervised solo instructional flight, the pilot had obtained weather information from local glider pilot's, and checking the… - [Incident 19980718027679I](https://openairdocs.org/incident/19980718027679I), Jul 18, 1998: Scwzer SGS233A (N17914), Mokuleia, HI. Solo student josh s. lannom landed short of runway 8. He was solo'd on his 17th glider flight by cap instructor drew flood. On the 20th glider the student… - [Incident 19980717027669I](https://openairdocs.org/incident/19980717027669I), Jul 17, 1998: Scwzer SGS233A (N17914), Mokuleia, HI. A cap student pilot hurt while running a wing for another student pilot during an auto tow launch. As reported to inspector hamilton at Dillingham airport, the… - [Incident 19980713027689I](https://openairdocs.org/incident/19980713027689I), Jul 13, 1998: Scwzer SGS233A (N17914), Mokuleia, HI, 1 fatal. The CFI stated: civil air patrol glider with cfig giving instruction to a cap cadet. On auto tow takeodd, the cfig felt the glider slow. Raising the nose did… ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## STCs that may be installed (OpenAirDocs) (4) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Schweizer SGS 2-33A) - [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 - [STC SG01164CH](https://openairdocs.org/stc/SG01164CH): Install Cooper superflite 102 fabric. Aviation Products Systems Inc - [STC SG1186GL](https://openairdocs.org/stc/SG1186GL): Surrendered and incorporated into STC SG01164CH. Cooper Aviation Supply Company, Inc - [STC SG305GL](https://openairdocs.org/stc/SG305GL): Install full swivel tail wheel, Cronig P/N SK-1, utilizing existing mounting points, bolts and hardware. Cronig Alvin ## Earlier aircraft with N17914 The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N17914 before. - [Cancelled 1937-08-21](https://openairdocs.org/deregistered/N17914-1937-08-21): Taylor J-2, S/N 1514. Owner: [Mcconnell Glenn](https://openairdocs.org/faa-owner/MCCONNELL%20GLENN), [Parsons, KS](https://openairdocs.org/faa-place/KS/Parsons) ## Related - Other Schweizer SGS 2-33A aircraft: https://openairdocs.org/model/schweizer-sgs-2-33a/aircraft.md - The NONE engine: https://openairdocs.org/engine/none.md --- 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.