opensky-flight-tracker

# Flight Tracker Skill No API key or setup required — works out of the box. ## Commands ### Track an aircraft by callsign ```bash flight-tracker aircraft EK203 flight-tracker aircraft QR42 --format json flight-tracker aircraft BAW117 --format summary ``` Shows live position, altitude, speed, heading, and vertical rate for a single aircraft. The aircraft must be currently airborne. **Callsign format:** Always uppercase. OpenSky uses radio callsigns which usually match the ICAO airline prefix + flight number (e.g. `EK203`, `QR42`, `BAW117`). Note that the radio callsign may differ from the ticket flight number — for example, British Airways flight BA117 uses callsign `BAW117`. ### Aircraft overhead a location ```bash flight-tracker overhead --lat 25.2048 --lon 55.3657 flight-tracker overhead --lat 51.4775 --lon -0.4614 --radius 100 flight-tracker overhead --lat 40.6413 --lon -73.7781 --format json ``` Shows all airborne aircraft within a radius (default 50 km) of the given coordinates. Results sorted by altitude descending. ## Rate Limits The OpenSky free tier allows one request every 10 seconds. The CLI handles rate limiting automatically with exponential backoff retries (configurable via `--retries`). ## Output Format All commands default to `--format summary` which prints a human-readable table. Use `--format json` when piping output to another tool or agent — this outputs clean JSON to stdout with no extra decoration. ## Global Options - `--retries N` — Number of retries on failure (default: 3) - `--timeout N` — Request timeout in seconds (default: 20)