# HY-1D Automatic Identification System
*component . products*

AIS receiver payload flown on HY-1D.

## Specifications
- **product status**: operational
- **deployment context**: orbital
- **manufacturer**: cast
- **component**: {}
- **entity type**: component
- **last verified date**: 2026-06-16
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: cast
- **attributes**: {"kind":"component","product_status":"operational","deployment_context":"orbital","manufacturer":"cast","description":"AIS receiver payload flown on HY-1D.","component":"{}"}
- **relevance**: in-scope

## Editorial
HY-1D Automatic Identification System (AIS) is the satellite AIS receiver payload flown on HY-1D for collecting ship location data from maritime AIS transmissions.[^wmo-hy1d-satellite][^wmo-ais-instrument] It is a nadir-viewing data-collection component rather than an imaging sensor.[^wmo-ais-instrument] HY-1D launched 10 Jun 2020, and the AIS payload has been active from Jun 2020 with end of life at least 2026.[^wmo-hy1d-satellite] The same spacecraft carries COCTS, CZI, UVI, AIS and SCS, so the AIS component adds ship-broadcast reception to a broader ocean mission payload set.[^wmo-hy1d-satellite][^hy1cd-products-2023] The payload role is maritime signal reception from orbit: it collects vessel-position broadcasts for ship-location awareness.[^wmo-ais-instrument]

## Compositional position
- hy-1d (missions) --[mission_payloads]--> HY-1D Automatic Identification System

## Sources
- [wmo-hy1d-satellite] | WMO OSCAR satellite record: HY-1D | https://space.oscar.wmo.int/satellites/view/hy_1d | tier=community | accessed=2026-06-16
- [wmo-ais-instrument] | WMO OSCAR instrument record: AIS | https://space.oscar.wmo.int/instruments/view/ais | tier=community | accessed=2026-06-16
- [hy1cd-products-2023] | Products of HY-1C/D ocean color satellites and their typical applications | https://www.ygxb.ac.cn/en/article/doi/10.11834/jrs.20235002/ | tier=peer-reviewed | accessed=2026-06-16 | published=2023-01-01

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Source: https://eo-atlas.org/products/component/ais-hy-1d
Maintainer: SpectraWorks B.V. (CC-BY 4.0)