Earlier aircraft under this name · 16

duckdb -csv -c "SELECT d.n_number, d.cancel_date, d.status, d.export_country, d.serial_number, d.year_manufactured, m.manufacturer, m.model, d.registrant_name, d.registrant_city, d.registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_deregistration.parquet' d LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m ON m.code = d.aircraft_model_code
  WHERE d.registrant_name = 'ALLEGIANT AIR LLC' OR list_contains(d.other_registrant_names, 'ALLEGIANT AIR LLC')
  ORDER BY d.cancel_date DESC NULLS LAST, d.deregistration_id"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT d.n_number, d.cancel_date, d.status, d.export_country, d.serial_number, d.year_manufactured, m.manufacturer, m.model, d.registrant_name, d.registrant_city, d.registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_deregistration.parquet' d LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m ON m.code = d.aircraft_model_code
WHERE d.registrant_name = 'ALLEGIANT AIR LLC' OR list_contains(d.other_registrant_names, 'ALLEGIANT AIR LLC')
ORDER BY d.cancel_date DESC NULLS LAST, d.deregistration_id

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.