# Interface ArpaTarget

ARPA tracked target.

#### Example

    {
      "id": 1,
      "status": "tracking",
      "position": {
        "bearing": 45.2,
        "distance": 1852,
        "latitude": 52.1234,
        "longitude": 4.5678
      },
      "motion": {
        "course": 180.5,
        "speed": 5.14
      },
      "danger": {
        "cpa": 150,
        "tcpa": 300
      },
      "acquisition": "manual",
      "firstSeen": "2025-01-15T10:28:00Z",
      "lastSeen": "2025-01-15T10:30:00Z"
    }

interface ArpaTarget {
acquisition: ArpaAcquisitionMethod;
danger: ArpaTargetDanger;
firstSeen: string;
id: number;
lastSeen: string;
motion: ArpaTargetMotion;
position: ArpaTargetPosition;
status: ArpaTargetStatus;
}

- Defined in radarapi.ts:358

##### Index

### Properties

acquisition
danger
firstSeen
id
lastSeen
motion
position
status

## Properties

### acquisition

acquisition: ArpaAcquisitionMethod

How this target was acquired

- Defined in radarapi.ts:370

### danger

danger: ArpaTargetDanger

Danger assessment (CPA/TCPA)

- Defined in radarapi.ts:368

### firstSeen

firstSeen: string

ISO 8601 timestamp when target was first acquired

- Defined in radarapi.ts:372

### id

id: number

Unique target identifier (1-99 typically)

- Defined in radarapi.ts:360

### lastSeen

lastSeen: string

ISO 8601 timestamp of most recent radar return

- Defined in radarapi.ts:374

### motion

motion: ArpaTargetMotion

Target motion (course and speed)

- Defined in radarapi.ts:366

### position

position: ArpaTargetPosition

Target position relative to own ship

- Defined in radarapi.ts:364

### status

status: ArpaTargetStatus

Current tracking status

- Defined in radarapi.ts:362