Airworthiness Directives; DG Aviation GmbH (Type Certificate Previously Held by DG Flugzeugbau GmbH) Gliders

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register Oct. 5, 2026. Document 2026-20393. Updated Nov. 5, 2026.

Open for public comment until Nov. 19, 2026. Comment on Regulations.gov

What it does

The FAA proposes to supersede Airworthiness Directive (AD) 2025-13-08, which applies to all DG Aviation GmbH Model DG-1000T gliders. AD 2025-13-08 requires revising the glider flight manual and installing "Motor INOP" placards to prohibit operation with the powerplant. Since issuance of AD 2025-13-08, a design improvement to the propeller adapter ring has been developed that is considered terminating action for the operational prohibition of AD 2025-13-08. This proposed AD would retain the requirement to revise the flight manual, would provide an optional terminating action for the retained actions by incorporating a specified modification, would allow removal of the "Motor INOP" placards following accomplishment of that optional terminating action, and would require removal, inspection, and reinstallation of the propeller adapter disk, including installation of safety pins. This proposed AD would also prohibit the installation of affected propeller adapter rings. The FAA is proposing this AD to address the unsafe condition on these products.

The Federal Aviation Administration's summary, as published in the Federal Register.

What it would change

1 part of Title 14 of the Code of Federal Regulations:

14 CFR 39

Before this

1036 earlier Federal Register documents under regulation identifier 2120-AA64 since Jan. 1, 2025.

Oct. 5, 2026 Notice of proposed rulemaking (NPRM). Airworthiness Directives; Airbus Helicopters
Oct. 1, 2026 Final rule. Airworthiness Directives; The Boeing Company Airplanes
Oct. 1, 2026 Final rule. Airworthiness Directives; Airbus SAS Airplanes
Oct. 1, 2026 Final rule. Airworthiness Directives; Airbus Helicopters
Oct. 1, 2026 Final rule; request for comments. Airworthiness Directives; Leonardo S.p.a. Helicopters
Oct. 1, 2026 Final rule. Airworthiness Directives; Airbus Helicopters
Oct. 1, 2026 Notice of proposed rulemaking (NPRM). Airworthiness Directives; Embraer S.A. Airplanes
Sept. 30, 2026 Notice of proposed rulemaking (NPRM). Airworthiness Directives; Airbus Helicopters

Since then:

What happens next and when

The FAA must receive comments on this proposed AD by November 19, 2026.

The agency's dates, word for word.

Check it yourself

The record as published

Document number	2026-20393
Action	Notice of proposed rulemaking (NPRM).
Agencies	Transportation Department; Federal Aviation Administration
Published	Oct. 5, 2026
Comments close	Nov. 19, 2026
Regulation identifier (RIN)	2120-AA64
Docket	FAA-2026-11798

Source: the Federal Register (public domain). The document in the Federal Register