mayday

The skywatch mayday subcommand queries live ADS-B state vectors for aircraft broadcasting emergency squawk codes.

Commands

Command	Description	Example
near	Aircraft squawking 7500/7600/7700 within a radius	skywatch mayday near 40.875 -74.282 --radius 100

near

Find aircraft squawking an emergency code near a coordinate:

skywatch mayday near 40.875 -74.282 --radius 100

Arguments:

• LAT — latitude in decimal degrees
• LON — longitude in decimal degrees
• --radius N — search radius in NM (default: 100)

Squawk codes

Code	Meaning
7500	Hijack
7600	Loss of communications
7700	General emergency

Output

Returns a list of aircraft state vectors matching any of the three emergency codes. Each entry includes callsign, ICAO24 hex, position, altitude, ground speed, and squawk code.

# JSON output
skywatch mayday near 40.875 -74.282 --radius 100 --format json

# Text output
skywatch mayday near 40.875 -74.282 --radius 100 --format text

When no emergencies are detected, the command outputs No emergencies within Nnm of LAT, LON (text) or [] (JSON).