# N505SR: 1999 Dg-Flugzeugbau DG-500MB - Status: Valid registration - Airframe: [Dg-Flugzeugbau DG-500MB](https://openairdocs.org/model/dg-flugzeugbau-dg-500mb) (registry code 3802554, 2 seats) - Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) - Data sheets: [TCDS G59EU](https://openairdocs.org/tcds/G59EU) (DG Aviation GmbH) (OpenAirDocs) - Serial number: 5E189B4 - Year built: 1999 - Type: Glider - Engine type: 2 cycle - Airworthiness: Standard, utility - Airworthiness date: December 6, 2000 - Certificate issued: May 16, 2008 - Expires: May 31, 2027 - Mode S code: A64E23 - Registered owner: [Adams Robert L](https://openairdocs.org/faa-owner/ADAMS%20ROBERT%20L) - Location: [Eagle River, AK](https://openairdocs.org/faa-place/AK/Eagle%20River) - Owner type: Individual - Owner's area on the map: 61.1743° N, 149.2843° W: Placed by OpenAirDocs at the center of ZIP code 99577, within about 10 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=505SR - Page: https://openairdocs.org/aircraft/N505SR 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): 18 in force ### Matched by airframe (Dg-Flugzeugbau DG-500MB) - [AD 2024-19-12](https://openairdocs.org/ad/2024-19-12): Elevator Control System · DG DG-400, DG-500 Elan Orion, DG-500 Elan Trainer and 10 more. Effective Oct 15, 2024 - [AD 2021-24-19](https://openairdocs.org/ad/2021-24-19): Engine Fuel and Control · DG Flugzeugbau DG-500MB and DG-1000M. Effective Jan 27, 2022 - [AD 2020-13-09](https://openairdocs.org/ad/2020-13-09): Cabin Systems · DG Flugzeugbau DG-1000S, DG-1000T, DG-500 Elan Orion and 5 more. Effective Aug 26, 2020 - [AD 2018-10-09](https://openairdocs.org/ad/2018-10-09): Engine fuel and control · DG Flugzeugbau DG-1000M and DG-500MB. Effective Jun 26, 2018 - [AD 2018-07-22](https://openairdocs.org/ad/2018-07-22): Engine · DG Flugzeugbau DG-1000M and DG-500MB. Effective May 25, 2018 - [AD 2017-13-06](https://openairdocs.org/ad/2017-13-06): Fuel · DG Flugzeugbau DG-400, DG-500M, DG-500MB and 2 more. Effective Jul 31, 2017 - [AD 2013-22-12](https://openairdocs.org/ad/2013-22-12): Engine Starting · DG Flugzeugbau DG-500MB, DG-800A and DG-800B. Effective Nov 18, 2013 - [AD 2012-06-15](https://openairdocs.org/ad/2012-06-15): Equipment/Furnishing · DG Flugzeugbau DG-500 Elan Orion, DG-500 Elan Trainer, DG-500/20 Elan and 3 more. Effective May 15, 2012 - [AD 2012-06-13](https://openairdocs.org/ad/2012-06-13): Fuselage · DG Flugzeugbau DG-500 Elan Orion, DG-500 Elan Trainer, DG-500/20 Elan and 3 more. Effective May 4, 2012 - [AD 2009-24-16](https://openairdocs.org/ad/2009-24-16): Starting · DG Flugzeugbau DG-500MB, DG-800B and DG-808C. Effective Dec 21, 2009 - [AD 2008-17-08](https://openairdocs.org/ad/2008-17-08): Extension retraction mechanism · DG Flugzeugbau DG-500MB. Effective Sep 23, 2008 - [AD 2007-26-15](https://openairdocs.org/ad/2007-26-15): Spindle drive · DG Flugzeugbau DG-500MB. Effective Feb 7, 2008 - [AD 2007-21-01](https://openairdocs.org/ad/2007-21-01): Bolt of bearing stand 5RU61 · DG Flugzeugbau DG-500 Elan Orion, DG-500 Elan Trainer, DG-500/20 Elan and 3 more. Effective Oct 25, 2007 - [AD 2007-17-08](https://openairdocs.org/ad/2007-17-08): Hub · DG Flugzeugbau DG-500MB and DG-800B. Effective Sep 10, 2007 - [AD 2005-26-11](https://openairdocs.org/ad/2005-26-11): Starter ring gear to the lower drive belt pulley adapter. · DG Flugzeugbau DG-500MB and DG-800B. Effective Feb 7, 2006 - [AD 2005-10-23](https://openairdocs.org/ad/2005-10-23): Propeller · DG Flugzeugbau DG-500MB and DG-800B. Effective Jun 30, 2005 - [AD 2004-18-12](https://openairdocs.org/ad/2004-18-12): Engine pylon extension/retraction Warner LA10 spindle drive · DG Flugzeugbau DG-500MB. Effective Oct 22, 2004 - [AD 2001-05-01](https://openairdocs.org/ad/2001-05-01): Circuit Breaker and Drive Belt Modification · DG Flugzeugbau DG-500MB. Effective Apr 27, 2001 ### Matched by engine (Amateur-built UNKNOWN ENG) None in force. ### Historical (superseded or no longer in force) - [AD 2017-11-03](https://openairdocs.org/ad/2017-11-03) (historical): Engine Fuel & Control · DG Flugzeugbau DG-500MB. Effective Jun 29, 2017 - [AD 2017-08-09](https://openairdocs.org/ad/2017-08-09) (historical): Engine · DG Flugzeugbau DG-500MB. Effective May 26, 2017 ## Information bulletins (advisory) (3 in force) - [SAIB CE-06-42](https://openairdocs.org/saib/CE-06-42): . Issued Apr 18, 2006 - [SAIB CE-05-86](https://openairdocs.org/saib/CE-05-86): . Issued Sep 20, 2005 - [SAIB CE-03-58](https://openairdocs.org/saib/CE-03-58): . Issued Sep 26, 2003 ## NTSB investigations None matched to N505SR. ## FAA accident and incident reports None matched to N505SR. ## 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) None matched to this aircraft's models. ## Related - Other Dg-Flugzeugbau DG-500MB aircraft: https://openairdocs.org/model/dg-flugzeugbau-dg-500mb/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.