# N4166A: 1967 Glasflugel H 301 LIBELLE - Status: Valid registration - Airframe: [Glasflugel H 301 LIBELLE](https://openairdocs.org/model/glasflugel-h-301-libelle) (registry code 3800337, 1 seats) - Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) - Data sheets: [TCDS G12EU](https://openairdocs.org/tcds/G12EU) (Glasflugel) (OpenAirDocs) - Serial number: 52 - Year built: 1967 - Type: Glider - Engine type: None - Airworthiness: Experimental, racing, exhibition - Airworthiness date: October 25, 1983 - Certificate issued: August 8, 2017 - Expires: August 31, 2027 - Mode S code: A4ED95 - Registered owner: [Laberge Lynda Lee M](https://openairdocs.org/faa-owner/LABERGE%20LYNDA%20LEE%20M) - Location: [Norman, OK](https://openairdocs.org/faa-place/OK/Norman) - Owner type: Individual - Owner's area on the map: 35.2405° N, 97.2757° W: Placed by OpenAirDocs at the center of ZIP code 73026, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4166A - Page: https://openairdocs.org/aircraft/N4166A 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): 8 in force ### Matched by airframe (Glasflugel H 301 LIBELLE) - [AD 2020-19-12](https://openairdocs.org/ad/2020-19-12): Equipment/Furnishing · Glasflugel Club Libelle 205, H 301 Libelle, H 301B Libelle and 4 more. Effective Oct 22, 2020 - [AD 2007-05-19](https://openairdocs.org/ad/2007-05-19): Rudder actuator arm · Glasflugel H 301 Libelle, H 301B Libelle, Standard Libelle and 1 more. Effective Apr 12, 2007 - [AD 97-03-02](https://openairdocs.org/ad/97-03-02): Control Surface Weight and Static Moment · Glasflugel Club Libelle 205, H 301 Libelle, H 301B Libelle and 3 more. Effective Mar 21, 1997 - [AD 91-06-09](https://openairdocs.org/ad/91-06-09): Rudder Cables · Glasflugel H 301 Libelle, H 301B Libelle, Kestrel and 2 more. Effective Apr 8, 1991 - [AD 85-22-11 R1](https://openairdocs.org/ad/85-22-11-R1): Elevator Linkage Inspection · Glasflugel H 301 Libelle, H 301B Libelle, Standard Libelle and 1 more. Effective May 6, 1986 - [AD 75-22-16](https://openairdocs.org/ad/75-22-16): Elevator Assembly Guide · Glasflugel Club Libelle 205, H 301 Libelle, H 301B Libelle and 2 more. Effective Nov 4, 1975 - [AD 68-21-01](https://openairdocs.org/ad/68-21-01): Horizontal Stabilizer · Glasflugel H 301 Libelle. Effective Oct 23, 1968 - [AD 68-07-02](https://openairdocs.org/ad/68-07-02): Tow Cable · Glasflugel H 301 Libelle. Effective Apr 26, 1968 ### Matched by engine (Amateur-built UNKNOWN ENG) None in force. ### Historical (superseded or no longer in force) - [AD 2018-21-04](https://openairdocs.org/ad/2018-21-04) (historical): Equipment/Furnishing · Glasflugel Club Libelle 205, H 301 Libelle, H 301B Libelle and 4 more. Effective Nov 13, 2018 ## Information bulletins (advisory) (1 in force) - [SAIB CE-06-50](https://openairdocs.org/saib/CE-06-50): . Issued Jun 21, 2006 ## 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 SEA90LA150](https://openairdocs.org/ntsb/SEA90LA150), Jul 29, 1990: Glasflugel H 301 Libelle (N4166A), Thompson Falls, MT, substantial damage. Probable cause: A DISABLED AIRCRAFT BLOCKING THE ACTIVE RUNWAY. ## FAA accident and incident reports (1) 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 19900729037459A](https://openairdocs.org/incident/19900729037459A), Jul 29, 1990: Glasfl H301LIBELLE (N4166A), Thompson Falls, MT, Substantial damage. Runway blocked. Extended downwind using spoilers. Too low. Hit wires on top fence. Rolled left and hit ground. ## 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) (1) 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 (Glasflugel H 301 LIBELLE) - [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc ## Earlier aircraft with N4166A The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4166A before. - [Cancelled 1958-10-03](https://openairdocs.org/deregistered/N4166A-1958-10-03): Dehavilland DHC-2 MK. I(L20A), S/N 1281. Owner: [US Dept Of Air Force](https://openairdocs.org/faa-owner/US%20DEPT%20OF%20AIR%20FORCE), [West Palm Beach, FL](https://openairdocs.org/faa-place/FL/West%20Palm%20Beach) ## Related - Other Glasflugel H 301 LIBELLE aircraft: https://openairdocs.org/model/glasflugel-h-301-libelle/aircraft.md - The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.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.