Engine model · Reciprocating · 165 hp · registry code 27025

Manufacturer (registry)
FRANKLIN
Model
6A4165 SERIES
Registry code
27025
Type
Reciprocating
Power
165 hp
Data sheet
TCDSE-238
Holder
Franklin Sp. z.o.o.

The registry names only the engine series, so ADs for every model in the series are matched.

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Airworthiness directives that may apply · 4

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

1963In forceSuperseded2026
ADs by the year they took effect: 2 ADs
19631
19961
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 ('27025'))
  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.

Registered aircraft · 770

See all 770 registered aircraft
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 ('27025')
  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 · 438

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

See all 438 investigations
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 ('27025')
  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 · 394

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

See all 394 incident reports
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 ('27025')
  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 2020FA0000073Gear · failedUPON DISASSEMBLY IT WAS DETERMINED CRANKSHAFT TO CAMSHAFT GEAR 17725 FAILED, IT APPEARS IT WAS IMPROPERLY INSTALLED AT OVERHAUL THE GEAR HAS INDICATIONS OF MOVING FREELY ON CRANKSHAFT CAUSING WEAR AND FAILURE.Nov 13, 2018 · Reciprocating Engine Power SectionSDR 2011FA0000372Terminal · meltedTHE POSITIVE STUD MELTED OUT FROM THE ARMMETER AND THE ACFT LOST POWER TO THE BUSS BAR.May 24, 2011 · N346C · Univar 1082 · Electrical Power System WiringSDR 2009FA0000850Gear · fracturedON A FLIGHT THE ENGINE STOPPED SUDDENLY WITH NO WARNING. THE AIRCRAFT LANDED. THE ENGINE ACCESSORY CASE HAD MAJOR DAMAGE. THE MAGNETOS WERE BROKEN AWAY FROM THE CASE AND THERE WERE SOME LARGE HOLES IN THE CASE. A TEARDOWN INSPECTION REVEALED THAT THE CRANKCAug 3, 2009 · N373C · Univar 1082 · Reciprocating Engine Power SectionSDR 2006FA0000238Landing Gear · faultyTHIS LANDING GEAR RETRACTED AT TOUCH-DOWN. AIRCRAFT WAS IN STORAGE FOR A NUMBER OF YEARS. IT WAS PUT BACK IN SERVICE THE SUMMER OF 2005. THE LANDING GEAR WAS OVERHAULED (MECHANICAL) IN JAN 2006. THE GEAR WAS MODIFIED FROM HAND CRANK RETRACT TO ELE/HYD RETRFeb 25, 2006 · N74212 · Blanca 14132 · Landing Gear SystemSDR 2005FA0000985Starter · inoperativeTHIS STARTER MOTOR REPORTED TO BE INOPERATIVE. PLACED IN SERVICE 3/1/2005. REMOVED FROM SERVICE 6/16/2005.Jul 1, 2005 · N944C · Stnson 10STNSON · Engine StarterSDR M0539Bulkhead · crackedDURING ANNUAL INSPECTION, FOUND AFT TAILBOOM BULKHEAD PN 206030446001 CRACKED AT LT BOLT HOLE FOR TAIL ROTOR GEARBOX MOUNT.Aug 27, 2004 · N909C · Univar 1083 · Rotorcraft Tail BoomSDR 2001FA0000457Crankshaft · brokenCRANKSHAFT BROKEN IN FLIGHT, LANDED WITHOUT INCIDENT. CRANKSHAFT BROKEN ON THE FORWARD SIDE OF JOURNAL NR 1 CYLINDER.Oct 16, 2001 · N833C · Univar 1083 · Reciprocating Engine Power 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 = '6A4165'
  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 · 12

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.

STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22Swift Fuels LLC · Lists 6A4-165-B3STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.Alcor LLC · Lists 6A4-165-B3STC SE1311SOInstallation of Shivers carburetor temperature gauge with a Richter Aero Equipment B-5 carburetor temperature probe.LegacySTC.com · Lists 6A4-165-B3STC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationHartzell Propeller Inc. · Lists 6A4-165-B3STC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesGeneral Aviation Modifications Inc. · Lists 6A4-165-B3STC SE4178NMInstallation of oil filter kitFranklin Aircraft Engines Inc. · Lists 6A4-165-B3STC SE3331NMLycoming valve cover gasketReal Gaskets Tennessee · Lists 6A4-165-B4STC SE110CHInstallation of Slick Model 6399 magnetos.Champion Aerospace LLC · Lists 6A4-165-B3STC SE1-201Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D))MidContinent Instru Co Inc · Lists 6A4-165-B4STC SE1696GLInstallation of nose seal retainer.Skaggs Robert G · Lists 6A4-165-B3STC SE2127CEAdd the following approved fuel unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON+MON)/2. Intermixing with aviation gasoline also approved.Petersen Aviation Inc · Lists 6A4-165-B3STC SE4-1192Adapter to permit Bendix Scintilla magneto installation, Type SF6LN-8, and modification of carburetor- manifold adapter box.Van De Water Devel Co · Lists 6A4-165-B3
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 ('27025')
    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 · 189

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 189 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 ('E-238')
    AND len(list_intersect(tcds_models, ['6A4-165-B4', '6A4-165-B6', '6A4-165-B3'])) > 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.