# Airworthiness Directives; NavWorx, Inc. Automatic Dependent Surveillance Broadcast Universal Access Transceiver Units
> **Rule** · Final rule. · Published 2017-06-06 · Effective 2017-07-11 · 82 FR 25946
## Document
- **Document number:** 2017-11625
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 82 FR 25946
- **Publication date:** 2017-06-06
- **Effective date:** 2017-07-11
- **FAA docket:** Docket No. FAA-2016-9226
## Abstract

We are adopting a new airworthiness directive (AD) for NavWorx, Inc. (NavWorx), Automatic Dependent Surveillance Broadcast (ADS-B) Universal Access Transceiver Units (unit). This AD requires removing, disabling, or modifying the ADS-B unit. This AD was prompted by a design change that results in the unit communicating unreliable position information. The actions in this AD are intended to address an unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/06/06/2017-11625/airworthiness-directives-navworx-inc-automatic-dependent-surveillance-broadcast-universal-access)
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