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N20ST

Registration Valid · Glider · FAA registry as of Sep 21, 2026

About this data

Stemme Gmbh & S10-VT · 1998 · Engine BOMBARDIER ROTAX (ALL) · Last cert issue Type page

NTSB records

No NTSB-recorded events are associated with N20ST as of Sep 21, 2026. Re-run the NTSB CAROL query ↗

Earlier aircraft with this N-number · 1

The FAA reassigns N-numbers. These events were filed under N20ST but involved a different aircraft that carried the number before this one. They are not part of this aircraft's history.

  • Jun 22, 1987 Lockheed L-382-30 · DAYTON, Ohio Event

Airworthiness directives · STEMME GMBH & CO S10-VT · 38

  • Feb 13, 2018

    Airworthiness Directives; Stemme AG Gliders

    We are superseding Airworthiness Directive (AD) 2017-10-11 for Stemme AG Model Stemme S10-VT gliders (type certificate previously held by Stemme GmbH & Co. KG). This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and address an unsafe condition on an aviation product. The…

  • Oct 10, 2017

    Airworthiness Directives; Stemme AG Gliders

    We propose to supersede Airworthiness Directive (AD) 2017-10- 11 for Stemme AG Model Stemme S10-VT gliders (type certificate previously held by Stemme GmbH & Co. KG). This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an avi…

  • May 26, 2017

    Airworthiness Directives; Stemme AG Gliders

    We are adopting a new airworthiness directive (AD) for Stemme AG Model S10-VT gliders (type certificate previously held by Stemme GmbH & Co. KG). This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes…

  • Dec 3, 2012

    Airworthiness Directives; Stemme GmbH & Co. KG Powered Sailplanes

    We are adopting a new airworthiness directive (AD) for all Stemme GmbH & Co. KG Models S10, S10-V, and S10-VT powered sailplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condi…

  • Sep 18, 2012

    Airworthiness Directives; Stemme GmbH & Co. KG Powered Sailplanes

    We propose to adopt a new airworthiness directive (AD) for all Stemme GmbH & Co. KG Models S10, S10-V, and S10-VT powered sailplanes. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes…

  • Jul 30, 2012

    Airworthiness Directives; Various Aircraft Equipped With Rotax Aircraft Engines 912 A Series Engine

    We are adopting a new airworthiness directive (AD) for various aircraft equipped with Rotax Aircraft Engines 912 A series engine. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe cond…

  • Oct 4, 2010

    Airworthiness Directives; Bombardier-Rotax GmbH Type 912 F, 912 S, and 914 F Series Reciprocating Engines

    The FAA is superseding an existing airworthiness directive (AD) for certain serial numbers (S/Ns) of Bombardier-Rotax GmbH type 912 F and 914 F series reciprocating engines. That AD currently requires initial and repetitive visual inspections of the engine crankcase for cracks. This AD requires those same inspections, adds the 912 S series to the affected p…

  • Jun 1, 2010

    Airworthiness Directives; Stemme GmbH & Co. KG Model S10-VT Powered Sailplanes

    We are superseding an existing airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

  • Apr 7, 2010

    Airworthiness Directives; Bombardier-Rotax GmbH Type 912 F, 912 S, and 914 F Series Reciprocating Engines

    The FAA proposes to supersede an existing airworthiness directive (AD) for certain serial numbers (S/Ns) of Bombardier-Rotax GmbH type 912 F and 914 F series reciprocating engines. That AD currently requires initial and repetitive visual inspections of the engine crankcase for cracks. This proposed AD would require those same inspections, would add the 912…

  • Dec 22, 2008

    Airworthiness Directives; Bombardier-Rotax GmbH 914 F Series Reciprocating Engines

    We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

  • Sep 12, 2008

    Airworthiness Directives; Bombardier-Rotax GmbH 914 F Series Reciprocating Engines

    We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

  • Jul 29, 2008

    Airworthiness Directives; DG Flugzeugbau GmbH Model DG-500MB Gliders

    This document makes a correction to a proposed airworthiness directive (AD), which was published in the Federal Register on July 3, 2008 (73 FR 38160), and applies to certain Stemme GmbH & Co. KG (Stemme) Model S10-VT powered sailplanes. This document proposed to require replacement of the single ear clamps in the fuel system with improved design parts. The…

  • Jul 3, 2008

    Airworthiness Directives; Stemme GmbH & Co. KG Model S10-VT Powered Sailplanes

    We propose to adopt a new airworthiness directive (AD) for the products listed above that would supersede an existing AD. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe…

  • Jun 2, 2008

    Airworthiness Directives; Stemme GmbH & Co. KG Model S10-VT Powered Sailplanes

    We are adopting a new airworthiness directive (AD) for the products listed above that will supersede an existing AD. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

  • Jan 31, 2008

    Airworthiness Directives; Stemme GmbH & Co. KG Model S10-VT Powered Sailplanes

    We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

  • Oct 12, 2007

    Airworthiness Directives; Stemme GmbH & Co. KG Model S10-VT Gliders

    We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

  • Jul 24, 2007

    Airworthiness Directives; Stemme GmbH & Co. KG Model S10-V and S10-VT Powered Sailplanes

    We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

  • Apr 23, 2007

    Airworthiness Directives; Stemme GmbH & Co. KG Models STEMME S10-V and STEMME S10-VT Powered Sailplanes

    We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

  • Jan 9, 2007

    Airworthiness Directives; Stemme GmbH & Co. KG Model S10-VT Gliders

    We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

  • Dec 21, 2006

    Airworthiness Directives; Stemme GmbH & Co. KG Model S10, S10-V, and S10-VT Gliders

    We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

  • Nov 29, 2006

    Airworthiness Directives; Stemme GmbH & Co. AG Model STEMME S10-VT Sailplanes

    We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as ripped pressure lines between Airbox-Car…

  • Sep 19, 2006

    Airworthiness Directives; Stemme GmbH & Co. KG Model STEMME S10-VT Sailplanes

    The FAA is adopting a new airworthiness directive (AD) for certain Stemme GmbH & Co. KG Model STEMME S10-VT sailplanes. This AD requires you to do a one-time inspection of all exhaust bends (each cylinder 1 to 4) in the area of the curvature bend near the cylinder flange, replace any damaged exhaust pipes found, and recondition the heat protection wrapping.…

  • Aug 18, 2006

    Airworthiness Directives; Stemme GmbH & Co. KG Models S10, S10-V, and S10-VT Sailplanes

    The FAA adopts a new airworthiness directive (AD) for certain Stemme GmbH & Co. KG (Stemme) Models S10, S10-V, and S10-VT sailplanes. This AD requires you to inspect the connection between the aileron push-rod and the connecting shaft to determine if a safety washer is installed. If there is no safety washer installed, this AD requires you to modify the ail…

  • Aug 9, 2006

    Airworthiness Directives; Stemme GmbH & Co. AG Model STEMME S10-VT Sailplanes

    We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) issued by an airworthiness authority of another country to identify and correct an unsafe condition on an aviation product. The proposed AD would require actions that are intended to addres…

  • Jun 2, 2006

    Airworthiness Directives; Stemme GmbH & Co. KG Models S10, S10-V, and S10-VT Sailplanes

    We propose to adopt a new airworthiness directive (AD) for certain Stemme GmbH & Co. KG Models S10, S10-V, and S10-VT sailplanes. This proposed AD would require you to inspect the connection between the aileron push-rod and the connecting shaft to determine if a safety washer is installed. If there is no safety washer installed, this proposed AD would requi…

  • Jul 13, 2004

    Airworthiness Directives; Stemme GmbH & Co. Models S10, S10-V, and S10-VT Sailplanes

    The FAA adopts a new airworthiness directive (AD) for all Stemme GmbH & Co. Models S10, S10-V, and S10-VT sailplanes. This AD requires you to remove the drive shaft assembly and ship it to the service department of Stemme GmbH & Co. The engine is mounted behind the two side-by-side seats. The engine combined with the carbon fiber drive shaft turn the centri…

  • Apr 16, 2004

    Airworthiness Directives; Stemme GmbH & Co. Models S10, S10-V, and S10-VT Sailplanes

    The FAA proposes to adopt a new airworthiness directive (AD) for all Stemme GmbH & Co. Models S10, S10-V, and S10-VT sailplanes. This proposed AD would require you to remove the drive shaft assembly and ship it to the service department of Stemme GmbH & Co. The engine is mounted behind the two side-by-side seats. The engine combined with the carbon fiber dr…

  • Oct 9, 2003

    Airworthiness Directives; Stemme GmbH & Co. KG Model STEMME S10-VT Sailplanes

    The FAA is adopting a new airworthiness directive (AD) for all Stemme GmbH & Co. KG Model STEMME S10-VT sailplanes that incorporate a certain gear box. This AD requires you to incorporate flight restrictions into the Limitations Section of the sailplane flight manual and fabricate and install a placard close to the throttle lever indicating these restrictio…

  • Apr 3, 2003

    Airworthiness Directives; Stemme GmbH & Co. KG Models S10 and S10-V Sailplanes

    This amendment adopts a new airworthiness directive (AD) that applies to all Stemme GmbH & Co. KG (Stemme) Models S10 and S10-V sailplanes. This AD requires you to modify the engine compartment fuel and oil system and firewall. This AD is the result of FAA's determination that the actions required in AD 2002-22-04 should also be accomplished on other sailpl…

  • Jan 14, 2003

    Airworthiness Directives; Stemme GmbH & Co. KG Models S10 and S10-V Sailplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to all Stemme GmbH & Co. KG (Stemme) Models S10 and S10-V sailplanes. This proposed AD would require you to modify the engine compartment fuel and oil system and firewall. This proposed AD is the result of FAA's determination that the actions required in AD 2002-22-04 should…

  • Nov 1, 2002

    Airworthiness Directives; Stemme GmbH & Co. KG Model S10-VT Sailplanes

    This amendment adopts a new airworthiness directive (AD) that applies to certain Stemme GmbH & Co. KG (Stemme) Model S10-VT sailplanes. This AD requires you to modify the engine compartment fuel and oil system and firewall. This AD is the result of mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for Germany. The a…

  • Aug 2, 2002

    Airworthiness Directives; Stemme GmbH & Co. KG Model S10-VT Sailplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to certain Stemme GmbH & Co. KG (Stemme) Model S10-VT sailplanes. This proposed AD would require you to modify the engine compartment fuel and oil system and firewall. This proposed AD is the result of mandatory continuing airworthiness information (MCAI) issued by the airwo…

  • May 28, 2002

    Airworthiness Directives; Bombardier-Rotax GmbH 914 F Series Reciprocating Engines

    This amendment adopts a new airworthiness directive (AD) that is applicable to Bombardier-Rotax GmbH 914 F series reciprocating engines. This action requires initial and repetitive inspections of certain exhaust bend assemblies, which are located between the cylinder heads and exhaust manifold assembly. This amendment is prompted by reports of cracks found…

  • Jul 26, 2000

    Airworthiness Directives; Stemme GmbH & Co. KG Models S10-V and S10-VT Sailplanes

    This amendment adopts a new airworthiness directive (AD) that applies to Stemme GmbH & Co. KG (Stemme) Models S10-V and S10-VT sailplanes. This AD supersedes AD 98-15-24, which currently requires replacing the propeller blade suspension forks with parts of improved design on Stemme S10-V sailplanes. This AD requires you to remove the propeller blade suspens…

  • Jul 21, 1999

    Airworthiness Directives; Stemme GmbH & Co. KG Models S10-V and S10-VT Sailplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to all Stemme GmbH & Co. KG (Stemme) Models S10-V and S10-VT sailplanes that incorporate a certain propeller blade suspension fork. The proposed AD would require repetitively exchanging (through the manufacturer) the propeller blade suspension fork for a propeller blade susp…

  • Jul 14, 1999

    Airworthiness Directives; Stemme GmbH & Co. KG Model S10-VT Sailplanes

    This amendment adopts a new airworthiness directive (AD) that applies to certain Stemme GmbH & Co. KG (Stemme) Model S10-VT sailplanes. This AD requires modifying the wastegate control in order to eliminate heat damage. This AD is the result of mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for Germany. The actio…

  • Apr 26, 1999

    Airworthiness Directives; Stemme GmbH & Co. KG Model S10-VT Sailplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to certain Stemme GmbH & Co. KG (Stemme) Model S10-VT sailplanes. The proposed AD would require modifying the wastegate control in order to eliminate heat damage. The proposed AD is the result of mandatory continuing airworthiness information (MCAI) issued by the airworthine…

  • Nov 25, 1998

    Airworthiness Directives; Stemme GmbH & Co. KG Models S10, S10-V, and S10-VT Sailplanes

    This amendment adopts a new airworthiness directive (AD) that applies to certain Stemme GmbH & Co. KG (Stemme) Models S10, S10-V, and S10-VT sailplanes. This AD requires inspecting certain areas in the flight control system for cracks; immediately replacing any cracked parts; and eventually replacing all longitudinal coupling with modified coupling regardle…

Service difficulty reports

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