# N2724H: 1978 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: 504 - Year built: 1978 - Type: Glider - Engine type: None - Airworthiness: Standard, glider - Airworthiness date: April 26, 1978 - Certificate issued: March 9, 2025 - Expires: March 31, 2032 - Mode S code: A2B0D6 - Registered owner: [N2724h Aviation Services LLC](https://openairdocs.org/faa-owner/N2724H%20AVIATION%20SERVICES%20LLC) - Location: [Colorado Springs, CO](https://openairdocs.org/faa-place/CO/Colorado%20Springs) - Owner type: LLC - Owner's area on the map: 39.0609° N, 104.8191° W: Placed by OpenAirDocs at the center of ZIP code 80921, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2724H - Page: https://openairdocs.org/aircraft/N2724H 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 (2) 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 NYC92LA098](https://openairdocs.org/ntsb/NYC92LA098), Jun 3, 1992: Schweizer SGS 2-32 (N2724H), New Milford, CT, substantial damage. Probable cause: INADEQUATE VISUAL LOOKOUT BY THE PILOT WHICH RESULTED IN THE GLIDER STRIKING A VEHICLE PARKED NEXT TO THE RUNWAY. - [NTSB NYC90LA168](https://openairdocs.org/ntsb/NYC90LA168), Jul 21, 1990: Schweizer SGS-2-33A (N2724H), Gt. Barrington, MA, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN ADEQUATE CLEARANCE FROM TREE DURING THE PRECAUTIONARY LANDING. FACTOR WAS A LOSS OF THERMAL LIFT. ## FAA accident and incident reports (2) 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 19920603022169A](https://openairdocs.org/incident/19920603022169A), Jun 3, 1992: Scwzer SGS233 (N2724H), New Milford, CT, Substantial damage. Tow initiated from parking lot onto runway. Wing struck a parked vehicle. - [Accident 19900721027639A](https://openairdocs.org/incident/19900721027639A), Jul 21, 1990: Scwzer SGS233A (N2724H), Great Barringto, MA, Substantial damage. On evaluation flight. Student became too FAR from airport without thermals. Struck tree on off airport landing. ## 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 N2724H The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N2724H before. - [Cancelled 1954-08-10](https://openairdocs.org/deregistered/N2724H-1954-08-10): Ercoupe 415-C, S/N 3349. Owner: [Coon George B Et Al](https://openairdocs.org/faa-owner/COON%20GEORGE%20B%20ET%20AL), [Fort Wayne, IN](https://openairdocs.org/faa-place/IN/Fort%20Wayne) ## 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.