Lycoming IO-540-U1A5D
PMA parts · 1,117
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-U1A5D'])) > 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-U1A5D'])) > 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.
CFRA7654Thrust WasherCFRA8987GasketCFRB8935CouplingES48111-1Oil FilterES48110-1Oil FilterCFRB8935CouplingCFRB9085RotorCFRA8987GasketCFRA9099TagCFRA8297SpringCFRB10896Data TagCFRA7654Thrust WasherCFRA17367-2SpringCFRA4105WasherCF800-515-5/16Washer and O-Ring AssyCFRA5326Fuel Pump DiaphragmCFRA5234Nut149-12HTLStarter149-24HTLStarter122-24LSStarter149-24HTStarter122-12HTStarter149-12HTStarter149-12LSStarter149-24LSStarter122-24PMStarter122-24HTStarter149-HT/ECStarter122-12LSStarter122-HT/ECStarter122-12PMStarter149-12PMStarter149-24PMStarterSL68668SpringSL383BNut-HexSL53E19600Valve, Oil Control, VernathermSL8313GasketES10-382618NutES10-382787Plate retainer, BearingES10-382931Spring, CoilES10-382785Connector, StripES10-35937-20ScrewES10-17050Lock Washer10-821604-2( ) Without suffix letter (Black) or with suffix letter indicating optional jacket colorHarness, 6300, 3/4-20 Terminal10-821685-12( ) Without suffix letter (Black) or with suffix letter indicating optional jacket colorHarness, S6-1200, 3/4-20 Terminal10-821604-40( ) Without suffix letter (Black) or with suffix letter indicating optional jacket colorHarness, 6300, 3/4-20 Terminal2524232Flow Divider2576564Flow Divider2576532Flow Divider2524859Servo Fuel Injector (RSA-10ED1)
Back to Lycoming IO-540-U1A5D