Allison 250-C18A
PMA parts · 487
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 ('E4CE')
AND len(list_intersect(tcds_models, ['250-C18A'])) > 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 ('E4CE')
AND len(list_intersect(tcds_models, ['250-C18A'])) > 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.
DPU-K-010-1, DPU-K-010-2, DPU-K-010-3, DPU-K-010-4, DPU-K-010-5Intellistart Plus Electric Control System400600Filter Assembly211-1025Filter Element Assembly211-1025Filter Element Assembly400600Filter Assembly1-530-711Face Seal211-1025Filter Element Assembly400600Filter Assembly47089HTOuter Air Shroud, Fuel Nozzle47070HTBody, Fuel Nozzle6898657HTRing, Seal-Comp Disch Tube139973Nozzle Assembly2529153HTSpring, Helical, Extension2537747HTDiaphragm, By-Pass Valve2542237HTSpring, Helical, Extension2539641HTSpring, Helical, Extension2523214HTSeat, Cut Off Valve2537508HTWasher, Spring Tension2523123HTDiaphragm2540601HTSpring, Helical, Extension211-1025Filter Element Assembly400600Filter AssemblyE23053320Sump Assembly, Scavenge Oil C20E6853366Bracket Assembly, Fireshield6898784HTAdapter, Splined-Turbine 2nd Stage6876030HTStud, Shouldered, Stepped-.250-28 x .500-16 x 1.374 LG.6874815HTCover, Compressor Bleed Valve6896347HTStrainer Assembly.-Compressor Bleed Valve6889814HTBody, Compressor-Bleed Valve6856988ALSeat, Poppet - Anti-Icing Valve6856984ALBody, Valve-Anti-Icing6899402ALGearshaft Assembly Helical PTO6852176ALGuide Assembly, Poppet - Anti-Icing Valve6856986ALPoppet & Seat-Assembly - Anti-Icing Valve6875491ALSeal, Mating Ring - Rotating6856987ALPoppet Assembly, Anti-Icing Valve23053191ALLever, Actuating Anti-Icing Valve23053192ALValve Assembly, Anti-Icing6870736ALRing, Piston, Split Seal - 2.230 O.D.6870737ALRing, Piston, Split Seal - 2.970 O.D.E6820085Gasket, 6 Mounting Hole113300-02A1Main Fuel Pump113300-03AlMain Fuel Pump211-1025Filter Element Assembly6896347HTStrainer Assembly-Compressor Bleed Valve6889814HTBody, Compressor-Bleed Valve6898784HTAdapter, Splined-Turbine 2nd Stage6876030HTStud, Shouldered, Stepped-.250-28 x .500-16 x 1.374 LG.6874815HTCover, Compressor Bleed ValveAA216CWDry Air Pump
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