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.
SL13522Bearing, ConnectingSL13774ImpellerSL75838Guide, ExhaustSL68763BearingSL60828Plug, Piston PinSL13923BushingSL74802Valve, ExhaustSL73117Valve, IntakeSL60746ImpellerSL71894Seat, ExhaustSL72877Body, HydSL72626ShaftSL13775ImpellerSL71903Bushing, Dynamic CounterweightSL61174Shaft, Oil PumpSL61297ImpellerSL74641Shaft, OilSL13884BearingSL74241Ring, PistonSL73111Valve, ExhaustSL78532Impeller AssemblySL77272ImpellerSL75288ShaftSL78619ShaftSL77313ImpellerSL77044BearingSL13444Pin, PistonSL72218BearingSL74802Valve, Exh.SL75838Guide, Exh. castingSL73857Ring, PistonSL65819BushingMHB-4018Starter MotorMHB-4016Starter MotorALY-6420LSAlternatorMZ4222Starter MotorSL13444Piston PinSL75061Bolt, RodALT-8421AlternatorALU-8421RAlternatorALT-8421RAlternatorALU-8421AlternatorAL12688SeatAL12949ValveAL72877TappetAL19001ValveAL71450GasketAL16740ValveAL10545PistonAL13622Valve
Back to Lycoming IO-540-U1B5D