- Manufacturer (registry)
- LYCOMING
- Model
- O-235-C1
- Registry code
- 42027
- Installed in
- 49 registered aircraft
- Type
- 4 cycle
- Power
- 115 hp
- Data sheet
- TCDSE-223
- Holder
- Lycoming Engines
Model codes come from the FAA registry’s reference file.
On this page
Airworthiness directives that may apply · 15
ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.
| 1969 | 2 |
|---|---|
| 1977 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1991 | 1 |
| 1993 | 1 |
| 1996 | 2 |
| 1998 | 2 |
| 2004 | 1 |
| 2012 | 1 |
| 2024 | 1 |
| 2026 | 2 |
See all 17 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 ('42027'))
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.
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 ('42027'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number 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.
Information bulletins that may apply · 3
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 ('42027'))
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.
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 ('42027'))
GROUP BY s.saib_number ORDER BY issue_date 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.
Registered aircraft · 49
N11PXMuehlberg Stephen E · Newcastle, OKN1446KColeman James P · Sand Springs, OKN1500JBent James L Jr DBA · Palatine Bridge, NY
See all 49 registered aircraftQuery 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 ('42027')
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.
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 ('42027')
ORDER BY n_numberRun 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.
NTSB investigations · 8
Aircraft matched to this engine model through the registry, by N-number and event date, checked against the reported serial number, make and model.
Of 7 cases NTSB coded with a defining event. All defining events
Findings NTSB made part of the probable cause. A case can have several. All findings
Of 1 case with NTSB’s older coding, defined in its coding manual.
NTSB WPR24LA198Accident · Minor injuriesClass 3 · LimitedFinal reportWarren B Cox COX Breezy · Albuquerque, NMThe pilot’s exceedance of the airplane’s critical angle of attack while maneuvering for landing following a partial loss of engine power after takeoff, which resulted in an aerodynamic stall and loss of control. Contributing to the accident was maintenance…NTSB WPR24LA115Accident · Minor injuriesClass 4 · LimitedFinal reportZenith Zodiac CH601 · Rawlins, WYThe student pilot’s failure to see and avoid powerlines during an unstabilized approach, which resulted the airplane landing short of the runway and coming to rest inverted.NTSB GAA20CA027Accident · Minor injuriesData collectionFinal reportZenith Zenith 601XLB · Gastonia, NCThe pilot's failure to latch the canopy before departure, which resulted in the canopy opening and the subsequent loss of airplane control.NTSB GAA16CA007Accident · Minor injuriesData collectionFinal reportBogle Absey C Breezy RLU-1 · Bryan, TXThe pilot's excessive descent rate, which resulted in a hard landing and substantial damage.NTSB CEN14FA399Accident · 1 fatalField investigationFinal reportZimmerman Breezy · Oshkosh, WIThe pilot’s failure to maintain airplane control during landing while the air traffic controller was simultaneously coordinating the landing of three airplanes on the same runway, which resulted in the airplane exiting the runway and impacting a parked ground…NTSB CEN09CA337Accident · No injuriesData collectionFinal reportCarillon John C Zodiac CH6 · Clinton, ARThe pilot's failure to maintain control of the aircraft during takeoff. Contributing to the accident was his failure to secure a wing fuel panel prior to departure.NTSB DFW08CA112Accident · Minor injuriesData collectionFinal reportHaecker Spacewalker · Kingsbury, TXThe loss of engine power for undetermined reason. A contributing factor was the lack of suitable terrain for the forced landing.NTSB CHI92LA002Accident · Minor injuriesLimited investigationFinal reportPiper PA-12 · Roscoe, ILOperation of an aircraft with known deficiencies and deterioration/failure of the magneto(s). Factors related to the accident were: the lack of an annual inspection and non-compliance with an airworthiness directive (AD).
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 ('42027')
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.
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 ('42027')
ORDER BY c."eventDate" DESC, c."ntsbNumber" 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.
FAA incident reports · 11
Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.
Accident 20240613021259AWarren B Cox COX Breezy · Albuquerque, NMOn June 13, 2024, at or around 12:14 MST, an experimental Cox Breezy, crashed after takeoff adjacent to the runway at Double Eagle II Airport (aeg), albuqueque, NM, while on a personal flight (accident). Visual meteorological conditions prevailed at the time,…Accident 20240315005219AHenry Donivan W Zodiac 601-HDS · Rawlins, WYPilot intended to perform touch-and-go landing to rwy 4 at krwl- Rawlins municipal airport, Rawlins, Wyoming. On downwind to rwy 4, at 45 degrees from intended landing point, pilot turned onto right base and throttled back to 1700 RPM. Pilot turned onto final…Incident 20231125020049ISouth Florida Ultralights Vans RV-9 · Buckeye, AZOn 11/25/23 at approximately 1720 the aircraft departed on a VFR flight from (27AZ) eagle roost private airpark (aquila, AZ) with a planned destination of Buckeye (kbxk). At 1730 the PIC noticed smoke in the cockpit, then small flames emitting from the top of…Incident 20191019020249ICessna 152 · Orlando, FLA Cessna 152 aircraft, N455GB during landing rollout on runway 25 at Orlando Executive Airport (korl),veered to the left(due to a locked left brake as reported by the pilot) and a runway excursion occurred causing the aircraft to roll of the left edge of the…Accident 20191011020649AHam Joseph F Zenith 601XLB · Gastonia, NC[privacy data omitted] Reported that he was performing touch and go maneuvers. On his third touch and go the canopy came open on climb out shortly after leaving the runway, causing loss of airspeed and the hard landing . [privacy data omitted] Has since…Accident 20151005017689ABogle Absey C Breezy RLU-1 · Bryan, TXThe pilot was observed practicing simulated ?engine out? Emergency landings with the power at idle. Witnesses stated that the pilot developed an excessive sink rate on short final that resulted in a hard landing . The landing was hard enough that the aircraft…Accident 20140731013869AZimmerman Arnold Breezy · Oshkosh, WIOn July 31, 2014, at 0857 CDT, a Breezy model amateur built airplane, N3AZ, was destroyed when on landing at Oshkosh, Wisconsin, it veered to the right exiting runway 36R. The aircraft struck several vehicles parked along a service road parallel to the…Accident 20090604009319AAmtr Zodiac · Clinton, AROn June 04, 2009 at 1100 CST a Zodiac CH601 hds, N90093Y rigistered to [privacy data omitted] took off from Clinton Municipal Airport (kcca) in Clinton Arkansas. Visual meteorological conditions prevailed at the time and VFR flight plan was not filed. During…Accident 20080419014579AHaecke SPACEWALKER2 · Kingsbury, TX(-23) During descent the aircraft's engine lost power and on several attempts would not restart. Aircraft landed in tree line area approx 90 feet from field. Aircraft received substantial damage to both wings from impact with trees. Passenger received minor…Accident 19911007045199APiper PA12 · Roscoe, ILEngine quit en route on unauthorized ferry flight. Nosed over in cornfield. Both mags bad.Incident 19840909059209IPiper PA16 · Imbler, OREngine quit on climbout. Landed safely off airport. Rod bolt backed off and allowed connecting rod to come off.
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 ('42027')
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.
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 ('42027')
ORDER BY event_date DESC, report_number 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.
Service difficulty reports · 15
SDR CA130923016Pin · sheared(CAN) UPON LANDING AT CJJ4, THE TAIL WHEEL ASSY SWIVEL PIN SHEARED CAUSING THE WHEEL ASSY TO DEPART FROM ACFT AND ACFT STOPPED SHORTLY WHILE TAXIING.SDR CA110110003Longeron · crackedON A ROUTINE 100 HOUR INSPECTION, IT WAS FOUND THAT THE FUSELAGE LONGERON WAS CRACKED UNDER THE MAIN LANDING GEAR ATTACH BOLT ON RIGHT GEAR LEG. THESE ARE THE SAME BOLTS THAT REQUIRE RE-TORQUE SETTINGS EVERY 100 HOUR INSPECTION. AMERICAN CHAMPION IS AWARE OFSDR 2007FA0000416Carburetor · contaminatedDURING INSPECTION OF THE CARBURETOR, DISCOVERED FLAKES OF WHAT APPEARS TO BE METAL IN THE GASCOLATOR SCREEN. ALSO, OBSERVED SOME SPECS OF RED MATERIAL ABOUT THE SIZE OF PEPPER. WHEN WE PULLED THE CARB APART WE OBSERVED A LINE ON THE BOTTOM OF THE BOWL WHERE SSDR 2006FA0000595Spar · crackedREQUIRED INSPECTION OF WOODEN WING SPARS IN ACCORDANCE WITH AD. REVEALED A COMPRESSION CRACK IN THE LT WING FWD SPAR AT THE TOP OB OF WING STRUT ATTACH DOUBLER PLATE. (K)SDR AUS20040105Spar · cracked(AUS) RT WING FRONT AND REAR SPARS CRACKED. CRACKS APPEAR TO ALIGN WITH THE ATTACHMENT FITTING BOLT HOLES. SPARS ARE CONSTRUCTED FROM TIMBER. FOUND DURING INSPECTION IAW AD/CHA/23 AMDT4.SDR 2004FA0000393Cotter Pin · shearedCOTTER KEY USED TO SECURE THE CLEVIS PIN BETWEEN THE RT RUDDER PEDAL AND RT BRAKE MASTER CYLINDER FAILED. THE HEAD OR TANGS OF THE COTTER KEY STRIKE AN ANGLE BRACKET ON THE FIREWALL WHEN THE RUDDER PEDAL IS FULLY DEPRESSED, DEPENDING UPON WHICH WAY THE CLEVISSDR Z372003F00001Impulse Coupling · brokenPILOT REPORTED LOSS OF POWER ON TAKEOFF, RETURNED TO AIRPORT. AFTER LANDING HE AGAIN CHECKED HIS MAG DROP AND REPORTED HIS LT MAG DROP TO BE ABOUT 300 RPM. FURTHER INVESTIGATION FOUND THE ONE OF THE IMPULSE COUPLING PAWLS ON THE LT MAG HAD BROKE IN HALF AT TSDR CA021029008Cable · misinstalled(CAN) RT FORWARD RUDDER CABLE ATTACH MICO-SLEEVE FAILED DURING TAXI. ON AME INSPECTION MICO-SLEEVE FOUND TO NOT BE CRIMPED DOWN TO PROPER DIMENSION. MICO-SLEEVE REPLACED AND CRIMPED PROPERLY. ALL MICO-SLEEVES ON AIRCRAFT CHECKED FOR PROPER CRIMP. LT FORWARD RUSDR 2001FA0000558Stud · brokenBROKEN CYLINDER BASE STUDS, 5 STUDS BROKEN ON NR 1 CYLINDER, FOUND MIS-TORQUED ON NR 2, NR 3, AND NR 4, ALSO.(K)SDR CA010522018Clevis Bolt · bent(CAN) BRAKES WERE NOT AS RESPONSIVE AS USUAL. UPON INSPECTION RT MASTER BRAKE CYLINDER CLEVIS BOLT FOUND TO BE BENT.SDR 20001229SH011Float · damagedCARBURETOR WAS OVERFILLING. UPON DISASSEMBLY, FOUND CARBURETOR GASKET, PN 16-B85, SAGGING AND THE METAL FLOAT, WHERE THE NEEDLE SEAT RUBS, WORN EXCESSIVELY AT THE FLOAT LEVER ADJUSTMENT TAB. (X)SDR 98ZZZX926Crankshaft · crackedPART REMOVED FROM INVENTORY FOR PRECAUTIONARY MPI. CRANKSHAFT WAS GROUND AND POLISHED BY AIR AGENCY AND FOUND TO HAVE CRACKS IN THE JOURNAL RADII.SDR CA971231022Camshaft · worn(CAN) ENGINE CAMSHAFT FOUND WORN. ENGINE CAMSHAFT REPLACED.SDR CA970923001Cylinder · failed(CAN) FACTORY NEW CYLINDER INSTALLED ON ANNUAL INSPECTION. AIRCRAFT TEST FLOWN AND PARKED. NEXT MORNING ON START UP THE ENGINE RAN ROUGH. INVESTIGATION FOUND NR4 CYLINDER INTAKE VALVE SEAT DISLODGED. NR4 CYLINDER REPLACED.SDR 97ZZZX1983Float · failedAFTER OPENING UP CARBURETOR TO REPLACE TWO-PIECE VENTURI, NOTICED FLOAT WAS BRO KEN, ONE-HALF OF IT LAYING IN BOWL. REPLACED WITH NEW METAL TYPE.
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 = 'O235C1' 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.
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 = 'O235C1' ORDER BY difficulty_date DESC
Run 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.
STCs that may be installed · 32
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-22STC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.
See all 32 STCsQuery 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 ('42027')
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.
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 ('42027')
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_numberRun 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.