Engine model · Reciprocating · 300 hp · registry code 17212

Manufacturer (registry)
CONT MOTOR
Model
IO-550-L
Registry code
17212
Type
Reciprocating
Power
300 hp
Data sheet
TCDSE3SO
Holder
Continental Aerospace Technologies, Inc.

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

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Airworthiness directives that may apply · 18

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

1988In forceSuperseded2026
ADs by the year they took effect: 20 ADs
19881
19911
19932
19961
19991
20001
20041
20071
20092
20101
20121
20141
20161
20221
20234
See all 23 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 ('17212'))
  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 · 10

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 ('17212'))
  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 · 1

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 ('17212')
  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.

First occurrence, 1982 to 2007

Of 1 case with NTSB’s older coding, defined in its coding manual.

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 ('17212')
  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 · 1

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 ('17212')
  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 · 5

SDR 2026FA0000065Pump · faultyELECTRICAL FUEL BOOST PUMP BYPASS VALVE FAILED IN BYPASS PREVENTING FUEL FROM REACHING ENGINE PREVENTING ENGINE FROM START. PUMP FAILED AFTER 20 MONTHS IN SERVICE. FAILED WITHOUT WARNING OR INDICATION.Jan 29, 2026 · Cessna 210N · Fuel Boost PumpSDR 2016FA0000123Cylinder · crackedNR 3 CYCLINDER BARREL CRACKED AT APPROXIMATELY 1" BELOW TOP DEAD CENTER. CRACK IS .75 PERCENT OF WAY AROUND AND DID NOT SEPARATE BARREL FROM HEAD.Mar 9, 2016 · N222SJ · Cessna 210L · Reciprocating Engine Cylinder SectionSDR 2013FA0000573Rudder Bar · brokenDURING TAXI PILOT WAS ATTEMPTING TO CENTER THE NOSE WHEEL FOR RUN-UP PRIOR TO TAKE-OFF. WHEN PILOT PUSHED LEFT RUDDER PEDAL A LOUD POP WAS HEARD FOLLOWED BY THE LEFT PEDAL GOING LIMP. CO-PILOT STILL HAD FULL CONTROL ON HIS SIDE. CO-PILOT THEN TAXIED BACK TO RASep 19, 2013 · N5416U · Cessna T210N · Rudder Control SystemSDR 2013FA0000241Control System · bindingREPLACED THE PROP CONTROL SEVERAL TIMES DUE TO RATCHETY OPERATION. THE VERNIER MECHANISM DOES NOT SEEM TO RELEASE COMPLETELY MAKING IT HARD TO ADJUST PROP RPM SMOOTHLY. WE HAVE BEEN THROUGH 3 PROP CONTROLS IN RECENT MONTHS DUE TO THIS FAULT.Apr 23, 2013 · N6621A · Cessna 210N · Propeller Controlling SystemSDR 2010FA0001155Nut · missingTHIS ALTERNATOR, O/H WAS INSTALLED. TEST RUN-UP SHOWED NORMAL OPERATION. CHARGING SYS PROBLEMS WERE ENCOUNTERED AGAIN ON THE NEXT FLIGHT. UPON LANDING IT WAS DISCOVERED THAT THE HEX NUT ON THE ROTOR SHAFT WAS MISSING, INDICATING IMPROPER TORQUE AT UNIT O/H.Sep 20, 2010 · N5YBLG · Cessna 210M · DC Generator-Alternator
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 = 'IO550L'
  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 · 20

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 20 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 ('17212')
    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.