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.
TAS100-05Engine PreheaterRA215CCDry Air PumpM2459HarnessM2453HarnessM2465HarnessAF-1246Check ValvePM1202Starter Assembly.PM2402Starter Assembly.75906Valve Cover Gasket67193Valve Cover GasketSL60430CoverCH441CC-7Dry Air PumpCH215CCDry Air PumpCH241CC-13Dry Air Pump540Engine HeaterBH-SBattery HeaterCH38-20R, CH38-20LEngine Heater14Engine HeaterCH916-21R, CH916-21LEngine HeaterCH6Engine Heater HarnessBH-LBattery HeaterALK-232ASlip Ring End Head (Machined)X-4130Bearing - RearALE-2273Rotor Assembly - CompleteALE-273ShaftALT-4521AlternatorALK-1232CSlip Ring End Head AssemblyALU-228ShaftALY-4520AlternatorALU-2228Rotor Assembly - CompleteALK-232RSlip Ring End Head (Machined)ALK-232HSlip Ring End Head (Casting)ALK-1232BSlip Ring Head AssemblyALU-4521AlternatorALU-2045BSBrushholder AssemblySL32030-P30Barrel, Narrow-DeckSL54002-A1Cylinder AssemblyAA211CCDry Air PumpRG-71450Valve Cover GasketRG-75906-SPValve Cover GasketRG-67193-SPValve Cover GasketAS75190CamshaftAS75191Camshaft AssemblyAA215CCDry Air PumpAA211CCDry Air PumpUREM38E URHM38ESpark PlugUREM40E URHM40ESpark Plug2576564Flow DividerPM1201Starter Assembly 12-volt, 12/24 PitchPM2401Starter Assembly 24-volt, 12/24 Pitch 2401
Back to Lycoming IO-540-U1B5D