# at.adsb.aircraft.identity

> Published by [adsb.at](https://lexicon.garden/identity/did:plc:32thk4eifx4ou6mxevswgjhg)

✓ This is the authoritative definition for this NSID.

## Description

An aircraft identified by its ICAO 24-bit address. Stores static identity and registration information. Created on first sighting by a receiver.

## Links

- [View on Lexicon Garden](https://lexicon.garden/lexicon/did:plc:32thk4eifx4ou6mxevswgjhg/at.adsb.aircraft.identity)
- [Documentation](https://lexicon.garden/lexicon/did:plc:32thk4eifx4ou6mxevswgjhg/at.adsb.aircraft.identity/docs)
- [Examples](https://lexicon.garden/lexicon/did:plc:32thk4eifx4ou6mxevswgjhg/at.adsb.aircraft.identity/examples)

## Definitions

### `at.adsb.aircraft.identity`

**Type**: `record`

An aircraft identified by its ICAO 24-bit address.

**Key**: `tid`

| Property | Type | Required | Description |
|----------|------|----------|-------------|
| `icaoHex` | `string` | Yes | ICAO 24-bit aircraft address in hexadecimal (e.g. 'A1B2C3'). |
| `category` | `string` | No | ADS-B emitter category (e.g. 'A3' for large aircraft). |
| `operator` | `string` | No | Aircraft operator name (e.g. 'United Airlines'). |
| `typeName` | `string` | No | Human-readable aircraft type (e.g. 'Boeing 737-800'). |
| `createdAt` | `string` (datetime) | Yes |  |
| `operatorIcao` | `string` | No | ICAO airline/operator code (e.g. 'UAL'). |
| `registration` | `string` | No | Aircraft registration or tail number (e.g. 'N12345'). |
| `icaoTypeDesignator` | `string` | No | ICAO aircraft type designator (e.g. 'B738', 'A320'). |

## Raw Schema

```json
{
  "id": "at.adsb.aircraft.identity",
  "defs": {
    "main": {
      "key": "tid",
      "type": "record",
      "record": {
        "type": "object",
        "required": [
          "icaoHex",
          "createdAt"
        ],
        "properties": {
          "icaoHex": {
            "type": "string",
            "maxLength": 6,
            "minLength": 6,
            "description": "ICAO 24-bit aircraft address in hexadecimal (e.g. 'A1B2C3')."
          },
          "category": {
            "type": "string",
            "maxLength": 4,
            "description": "ADS-B emitter category (e.g. 'A3' for large aircraft)."
          },
          "operator": {
            "type": "string",
            "maxLength": 1280,
            "description": "Aircraft operator name (e.g. 'United Airlines').",
            "maxGraphemes": 128
          },
          "typeName": {
            "type": "string",
            "maxLength": 1280,
            "description": "Human-readable aircraft type (e.g. 'Boeing 737-800').",
            "maxGraphemes": 128
          },
          "createdAt": {
            "type": "string",
            "format": "datetime"
          },
          "operatorIcao": {
            "type": "string",
            "maxLength": 3,
            "description": "ICAO airline/operator code (e.g. 'UAL')."
          },
          "registration": {
            "type": "string",
            "maxLength": 20,
            "description": "Aircraft registration or tail number (e.g. 'N12345')."
          },
          "icaoTypeDesignator": {
            "type": "string",
            "maxLength": 4,
            "description": "ICAO aircraft type designator (e.g. 'B738', 'A320')."
          }
        }
      },
      "description": "An aircraft identified by its ICAO 24-bit address."
    }
  },
  "$type": "com.atproto.lexicon.schema",
  "lexicon": 1,
  "description": "An aircraft identified by its ICAO 24-bit address. Stores static identity and registration information. Created on first sighting by a receiver."
}
```