Lycoming IO-540-U1B5D
PMA parts · 1,069
Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.
Query with SQL
duckdb -csv -c "SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
WHERE tcds_number IN ('1E4')
AND len(list_intersect(tcds_models, ['IO-540-U1B5D'])) > 0
ORDER BY supplement_date DESC, drs_guid DESC"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 drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
WHERE tcds_number IN ('1E4')
AND len(list_intersect(tcds_models, ['IO-540-U1B5D'])) > 0
ORDER BY supplement_date DESC, drs_guid DESCRun 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.
AB-160844Spring & Brush AssemblyOCOil Cooler Preheat KitAE45BSBrush Rack AssemblyAE943Rotor ShaftAE1003Drive End HousingAE45BS-1Brush Rack AssemblyAE944Rotor ShaftAE45BS-EBrush Rack AssemblyAE2241Fan AssemblyAE1132Slip Ring End HousingSL6Engine Preheat KitTXPL6Engine Preheat KitHSSEngine Preheat KitAA48111-2Oil Filter201F-5003Fuel PumpES10-35936-7ScrewAB-14268WasherAB-53397Washer, FlatNo part numberTA2927-1Engine Preheat KitTA2927-2Engine Preheat KitRG-72812GasketKA16042HarnessKA12919Ignition Harness AssyKA12919Ignition Harness AssyES-4019LSAlternator AssemblyPM2403Starter AssemblyERZ‐8012Starter AssemblyPM1203Starter AssemblyERZ‐8011Starter AssemblyPM1201Starter AssemblyPM2401Starter AssemblyERB‐8011Starter AssemblyMZ‐4222Starter AssemblyALY-4520Alternator AssemblyALT-4521Alternator AssemblyALU-4521Alternator AssemblyAEL11956 (and oversizes up to .040”)Guide, Intake““SL-STD-160GasketSL-STD-1065 P002Dowel, SteppedSL-STD-1045GasketSL-STD-1821HoseSL-STD-1441GasketSL-STD-111GasketSL-STD-2180HoseSL-STD-1410NutSL-STD-1204BoltSL-STD-1925ScrewX-4086ACBearing - Ball, Single Row
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