Engine model · Reciprocating · 300 hp · registry code 41672

Manufacturer (registry)
LYCOMING
Model
IO-540-K1F5
Registry code
41672
Type
Reciprocating
Power
300 hp
Data sheet
TCDS1E4
Holder
Lycoming Engines

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

On this page

Airworthiness directives that may apply · 25

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

1975In forceSuperseded2026
ADs by the year they took effect: 35 ADs
19751
19771
19782
19791
19821
19831
19921
19951
19963
19971
19981
20021
20032
20042
20051
20062
20082
20091
20111
20123
20151
20171
20221
20241
20262
See all 36 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 ('41672'))
  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 · 6

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 ('41672'))
  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 · 2

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 ('41672')
  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 · 1

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

Defining event, 2008 on

Of 1 case NTSB coded with a defining event. All defining events

In the probable cause, 2008 on

Findings NTSB made part of the probable cause. A case can have several. All findings

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 ('41672')
  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 · 2

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

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 ('41672')
  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 · 7

SDR TZRA200600002Pump · failedON CLIMBOUT, RT ENG BEGAN TO RUN ROUGH AND LOSE PWR. AFTER TURNING FUEL BOOST PUMP SHOWED NO IMPROVEMENT, AND PILOT FEATHERED ENG AND RETURNED TO BASE. AFTER LANDING AND UPON ROLLOUT, NLG COLLAPSED, LT PROP TIPS CONTACTED RUNWAY. RT ENG WAS FOUND TO HAVE SEMar 26, 2006 · N604TE · Piper PA60600 · Engine Fuel PumpSDR CA020104006Collar · cracked(CAN) PILOT LANDED NORMAL: WHILE ROLLING ON RUNWAY AIRCRAF WENT RIGHT AND PILOT HAS A HARD TIME CONTROLLING AIRCRAFT BUT MANAGED TO GET AIRCRAFT STOPPED. SHUT DOWN ENGINES AND GOT OUT TO INVESTIGATE; NOTICED RIGHT MAIN GEAR TIRE 90 DEGREES FROM NORMAL WITH HELJan 2, 2002 · Piper PA60600 · Main Landing Gear Strut/Axle/TruckSDR 99ZZZX3069Engine · malfunctionedCMH - ON TAKEOFF, RIGHT ENGINE LOST POWER. INSPECTED INDUCTION, IGNITION, AND FUEL SYSTEMS, NO FAULTS FOUND. GROUND RUN, OK. RETURNED TO SERVICE.Jul 6, 1999 · N6076L · Piper PA60600 · Engine (Turbine/Turboprop)SDR 98ZZZX3430Nut · missingRT ENGINE FAILED TO RESPOND TO THROTTLE CONTROL MOVEMENT IN-FLIGHT. A SAFE LANDING WAS MADE AND ACFT DELIVERED TO MAINT. INVESTIGATION FOUND THE RT THROTTLE CONTROL CABLE DISCONNECTED FROM THE THROTTLE ARM. CONNECTING HARDWARE WAS MISSING. THE PARTS MANUALAug 17, 1998 · N3645T · Piper PA60600 · Power LeverSDR AU980915Nut · stripped(AUS) RIGHT LANDING GEAR TORQUE LINK NUT STRIPPED OFF THE BOLT ALLOWING THE NUT TO SEPARATE. SPLIT PIN HAD BEEN SHEARED.Jul 7, 1998 · Piper PA60600 · Main Landing Gear Strut/Axle/TruckSDR CA951018023An Bolt · sheared(CAN)SEAT BACK FAILED ONE SIDE. FOUND BOLT HAD SHEARED AN4 BOLT. OTHER SEAT BACK BOLTS CHECKED AND FOUND SERVICEABLE. BOLT REPLACED WITH SERVICEABLE ONE.Oct 4, 1995 · Piper PA60600 · Fuselage, Seat/Cargo Attach FittingsSDR 95ZZZX1775Pin · failedFOUND PISTON PIN BROKEN DURING ROUTINE TEAR DOWN FOR OVERHAUL.Mar 21, 1995 · Reciprocating Engine Cylinder 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 = 'IO540K1F5'
  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 · 43

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 43 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 ('41672')
    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"

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.

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 ('1E4')
    AND len(list_intersect(tcds_models, ['IO-540-K1F5'])) > 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.