Engine model · Reciprocating · 270 hp · registry code 42001

Manufacturer (registry)
LYCOMING
Model
TIO-540-AF1B
Registry code
42001
Type
Reciprocating
Power
270 hp
Data sheet
TCDSE14EA
Holder
Lycoming Engines

Model codes come from the FAA registry’s reference file.

On this page

Airworthiness directives that may apply · 17

ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1991In forceSuperseded2026
ADs by the year they took effect: 27 ADs
19911
19921
19971
19981
20021
20032
20042
20052
20063
20082
20091
20112
20124
20151
20171
20241
20261
See all 30 ADs
Query with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code IN ('42001'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number 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.

Information bulletins that may apply · 5

Historical bulletins · 1
Query with SQL
duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
  FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
  WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_saib.parquet' WHERE engine_model_code IN ('42001'))
  GROUP BY s.saib_number ORDER BY issue_date 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.

Registered aircraft · 15

Query with SQL
duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE engine_model_code IN ('42001')
  ORDER BY n_number"

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.

NTSB investigations · 2

Aircraft matched to this engine model through the registry, by N-number and event date, checked against the reported serial number, make and model.

Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.engine_model_code IN ('42001')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" 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.

FAA incident reports · 5

Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.

Accident 20220404004949AMooney M20M · Manville, NJInitial report: N41XL, M20, crashed into a yard [privacy data omitted] for unknown reasons. Pilot was transported to area hospital. Initial pilot statement via phone interview: the pilot stated that he filed an IFR flight plan from greensboro to 47N. Received…Apr 4, 2022 · N41XL · Substantial damageIncident 20210818014419IMooney M20M · Crystal, MN2021-08-18 N21448 a Mooney M20M landed at Crystal Airport (kmic) with the landing gear up The private pilot PIC departed closed field from kmic at 0607L headed to kstc where he intended to shoot an approach for practice and then return to kmic to do the same.…Aug 18, 2021 · N21448 · Minor damageAccident 20090702011599AMooney M20M · Steamboat Spri, CO(-23) After flying in the local area, the pilot attempted a touch and go the pilot said he was at a slower than usual airspeed on final approach which resulted in a hard landing and then the aircraft started to porpoise. The pilot then initiated a go around…Jul 2, 2009 · N270SD · DestroyedIncident 19970730026369IMooney M20M · Rock Hill, SCNarrative: the aircraft landed gear up on runway 02. The pilot admitted that he failed to put the gear down. Witnesses confirmed the pilot's statement that the gear was up when the aircraft landed. A retraction test was performed on the aircraft. The landing…Jul 30, 1997 · N9120N · Minor damageIncident 19970411010569IMooney M20M · Niagara Falls, NYNarrative: on Friday, April 11, 1997 at 8:30 am. The cabin door on a Mooney, model M20-M, N9120N,opened in flight. The pilot landed at Niagara Falls International Airport. The aircraft bounced on the runway and damaged the propeller. The aircraft is currently…Apr 11, 1997 · N9120N · Minor damage
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE engine_model_code IN ('42001')
  ORDER BY event_date DESC, report_number 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.

Service difficulty reports · 9

SDR 2026FA0000612Spark Plug · crackedSPARK PLUGS, TEMPEST: UPON REMOVAL, 4 OF THE 12 SPARK PLUGS, FOUND TO HAVE CIRCUMFERENTIAL CRACKS IN STEEL SHELL, LOCATED IN REDUCED ALL HOT CRIMP (SWAGE) SECTION BETWEEN THE MOUNTING GASKET SEAT & WRENCHING HEX. CRACKS ARE JAGGED & IRREGULAR, EXTEND AROUND A Jul 30, 2026 · N530JP · Mooney M20M · Spark Plug/IgniterSDR 2013FA0000252Mount · chafedLOWER ENGINE MOUNT TUBE BETWEEN THE LOWER AFT MOUNTS WAS CHAFED APPROX HALFWAY THROUGH. INSPECTION REVEALED THAT AN OIL LINE ON THE BOTTOM REAR ENGINE THAT WAS ROUTED BETWEEN THE MOUNT AND THE FUEL CONTROL UNIT WAS THE CAUSE OF THE CHAFING. THERE IS SO LITTLEApr 26, 2013 · N26JR · Mooney M20M · Engine Mount SectionSDR 2006FA0000547Exhaust Riser · crackedCUSTOMER SENT IN THE EXHAUST SYSTEM BECAUSE OF CRACKS FOUND IN THE WELDS OF THE RISER LEGS TO THE STACK TUBES OF THE NR 1 AND NR 2 SECTIONS. ADVISED CUSTOMER TO REPLACE COMPONENTS. CUSTOMER BOUGHT NEW PARTS AND BROUGHT THEM IN TO HAVE ATTACHING PIECES INSTALLJun 2, 2006 · N223KT · Mooney M20M · Engine Collector/Tailpipe/NozzleSDR 2003FA0001019Rod End · brokenPLANE CAME IN FOR ANNUAL. CUSTOMER REPORTED AILERON CONTROL STIFF. UPON MOVING YOKE TO CONFIRM STIFFNESS. RT AILERON ROD END AT AILERON BROKE. IT BROKE WHERE THREADED PORTION MEETS BEARING. REMOVED ROD END AND FOUND BEARING WAS FROZEN. ALL MOVEMENT WAS IN THE Aug 13, 2003 · N2171Q · Mooney M20M · AileronsSDR CA031103007Engine · making metal(CAN) FOUND METAL CONTAMINATION ON OIL FILTER ELEMENT. MFG LAB REPORTS METAL AREA MS 6274 STEEL LIKELY FROM CAMSHAFT AND AMS 4280 ALUMINUM FROM CRANKCASE. ENGINE WAS REMOVED AS PRECAUTIONARY INVESTIGATION DUE TO SIMILAR METAL CONTAMINATION AND REPAIR ABOUT 1Nov 28, 2002 · Mooney M20M · Reciprocating Engine Cylinder SectionSDR 2002FA0000317Bearing · failedDURING A REGULER OIL CHANGE INTERVAL. METAL CONTAMINATS WER NOTED IN THE FOLDS OF THE OIL FILTER. THEY APPEARED TO BE OF ALUMINUM. FURTHER INVESTIGATION INTO THE PICK UP SCREEN FOUND A LARGER AMOUNT OF DEBRIS. SIZE OF THE DEBRIS APPEARED TO BE AROUND 1/16 OF AFeb 25, 2002 · N355RZ · Mooney M20M · Reciprocating Engine Power SectionSDR 2002FA0000646Bearing · failedDURING REGULARLY SCHEDULED OIL CHANGE AT 399.5 HRS, UPON EXAM OF OIL FILTER, METAL CONTAMINATES WERE DISCOVERED IN THE ELEMENT FOLDS. CONTACTED MFG, ADVISED THERE WAS A SERVICE INSTRUCTION THAT PERTAINED TO THIS ENGINE THAT OUTLINES INSPECTION PROCEDURE FOR OFeb 25, 2002 · N355RZ · Mooney M20M · Engine (Reciprocating)SDR 20000508SH031Exhaust Pipe · crackedPILOT REPORTED NEW CO2 INDICATOR TURNS BLACK EACH FLIGHT. FLT WITH DIGITAL CO2 INDICATING INSTRUMENT INDICATES 200 RPM. MAINT LOCATED 1.75 INCH CRACK AT BASE OF NR 2 CYL RISER, FLG MATING TO CYL NR 1 - 5. (LYC PN''S 40B19822 AND 40B19825) FOUND WARPED APPRMar 28, 2000 · N139WT · Mooney M20M · Engine Collector/Tailpipe/NozzleSDR 99ZZZX859Hose · kinkedAIRCRAFT RPM WOULD SURGE; MANIFOLD PRESSURE IS UNCONTROLLED, CAUSE WAS HOSE BEING KINKED. SUBMITTER STATED THIS HAS BEEN NOTED ON SEVERAL OTHER AIRCRAFT OF THE SAME MODEL.Jun 1, 1998 · N628JF · Mooney M20M · Reciprocating Engine Front Section
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE engine_model_key = 'TIO540AF1B'
  ORDER BY difficulty_date 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.

STCs that may be installed · 28

Approved for this engine model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.

See all 28 STCs
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(matched_model) AS matched_model
    FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet'
    WHERE engine_model_code IN ('42001')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"

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PMA parts · 1,000+

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.

See all 1,000+ PMA parts
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 ('E14EA')
    AND len(list_intersect(tcds_models, ['TIO-540-AF1B'])) > 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.