The identifier most commonly refers to a specific United States Federal Register document from 1995 or is part of broader regulatory guidance regarding the transport of hazardous materials. Option 1: Federal Register Document (1995)
Detailed requirements for shipping Lithium Ion, Lithium Metal, and Sodium Ion batteries by air. Download 21681 pdf
Standards for FlexRay-based vehicle network systems. The identifier most commonly refers to a specific
You can find the official PDF through GovInfo or the Federal Register archive. Option 2: IATA Lithium Battery Guidance Download 21681 pdf
Airworthiness Standards; Flight Control System Details.
This is the most likely match for a specific document download search. is a rule published by the Federal Aviation Administration (FAA) .