Engine model · Reciprocating · 180 hp · registry code 41871

Manufacturer (registry)
LYCOMING
Model
IO-360-M1B
Registry code
41871
Type
Reciprocating
Power
180 hp
Data sheet
TCDS1E10
Holder
Lycoming Engines

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

On this page

Airworthiness directives that may apply · 14

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

1967In forceSuperseded2026
ADs by the year they took effect: 21 ADs
19671
19921
19971
20031
20041
20062
20071
20083
20091
20101
20111
20123
20151
20171
20241
20261
See all 22 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 ('41871'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

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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 ('41871'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

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Registered aircraft · 185

See all 185 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 ('41871')
  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 · 9

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

NTSB ERA26LA210Accident · No injuriesClass 4 · LimitedFinal reportJohn Bradley Vans RV-7 · Athens, GAContamination of the left wheel brake system with debris, which resulted in a loss of directional control during takeoff.May 15, 2026 · N519JS · Substantial damageNTSB CEN26LA120Accident · No injuriesClass 4 · LimitedFinal reportVans RV8 · Pottsboro, TXThe pilot’s failure to maintain control during the landing roll with a crosswind.Feb 19, 2026 · N2EQ · Substantial damageNTSB ERA21FA135Accident · 1 fatalClass 3 · FieldFinal reportVans RV7 · Mayfield, KYThe pilot's exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall, loss of airplane control, and subsequent impact with terrain.Feb 22, 2021 · N383DB · Substantial damageNTSB WPR20CA200Accident · No injuriesClass 4 · Data collectionFinal reportVans RV-8 · McMinnville, ORThe pilot's failure to maintain directional control during takeoff which resulted in a collision with a runway marker.Jun 29, 2020 · N998HG · Substantial damageNTSB CEN11LA658Accident · No injuriesLimited investigationFinal reportMark Divita RV-8 · Lancaster, TXThe failure of the tailwheel to remain locked during a crosswind landing, which resulted in a loss of directional control.Sep 18, 2011 · N98D · Substantial damageNTSB CEN11LA573Accident · 1 fatalLimited investigationFinal reportKnab Douglas J RV-8 · Conroe, TXThe failure of the pilot of the RV-6 airplane to maintain clearance from the RV-8 airplane while practicing formation flight.Aug 13, 2011 · N189DK · 2 aircraft · DestroyedNTSB CEN09CA472Accident · No injuriesData collectionFinal reportFisher RV-7A · Brodhead, WIThe pilot's improper landing flare and recovery from a bounced landing.Jul 26, 2009 · N257RV · Substantial damageNTSB WPR09LA357Accident · 2 fatalLimited investigationFinal reportWeiss Lancair · Santa Clarita, CAThe pilot's failure to maintain adequate airspeed and control while maneuvering.Jul 18, 2009 · N244RR · Substantial damageNTSB CHI08CA057Accident · No injuriesData collectionFinal reportLerohl RV-8 · Alexandria, MNThe loss of engine power for undetermined reasons.Dec 30, 2007 · N5093F · Substantial damage
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 ('41871')
  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 · 11

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

Accident 20260515006019AJohn Bradley Vans RV-7 · Athens, GADuring start of takeoff roll from runway 09, pilot stated the aircraft immediately yawed left uncontrollably as he was advancing the throttle. The aircraft continued to rotate counterclockwise and departed the runway to the left into a grassy area. The…May 15, 2026 · N519JS · Substantial damageAccident 20260417010779AMatre Daniel A Vans RV8 Standard · Augusta, GAThe pilot reported conducting a wheel-landing and that he touched down beyond the midpoint of the runway. He applied the brakes but could not stop the aircraft before it veered slightly right of the centerline and overran the runway. The aircraft descended an…Apr 17, 2026 · N496EM · Substantial damageIncident 20250421005499IJablonski Jaron C RV-8 · Fallbrook, CAOn April 21, 2025 at approximately 1300. [privacy data omitted]Was conducting maneuvers and touch and go's in the vicinity of Fallbrook airpark (L18). Owner//pilot had recently come out of phase 1 with a new home-bult aircraft. Pilot stated on his landing to…Apr 21, 2025 · N849CJ · Minor damageIncident 20210520006239IDiamond Aircraft Ind DA 40 · Greenville, NCStudent pilot was flying solo for a training flight. Pilot stated that he had been flying in the practice area between 45 and 60 minutes. After landing at pvg airport the student pilot taxied back to the runway to practice another normal takeoff. Here is the…May 20, 2021 · N302DS · Minor damageAccident 20210222000259ABabenco Henry D Vans RV-7A · Mayfield, KYThe aircraft was found in a field approximately one quarter of a mile north of the Mayfield, KY airport (M25) and directly inline with the runway centerline. Examination of the wreckage indicated the aircraft sustained substantial damage concurrent with a…Feb 22, 2021 · N383DB · Substantial damage · 1 fatalAccident 20200629005349AEicher Bruce R RV-8 · Mcminnville, ORAircraft left aurora state airport (uao) at 3:00 pm local time with one passenger. Arrived a Mcminnville municipal airport (mmv) at 3:25 pm local with intention to perform touch-n-go. Aircraft touched down and slowed with tail wheel on the ground. Aircraft…Jun 29, 2020 · N998HG · Substantial damageAccident 20110918024029AMark Divita RV-8 · Lancaster, TXASI conducted personal interview of pilot in command, [privacy data omitted] on 9/19/11 at Lancaster Airport, Lancaster, TX. Pilot indicated he had made 2 previous flights in N98D that morning with no evident problems. Aircraft had approx 15 hrs total time at…Sep 18, 2011 · N98D · Substantial damageAccident 20110813019901AKnab Douglas J RV-8 · Conroe, TXOn aug 13, 2011 15 miles northwest of Lone Star Executive Airport (cxo), N16DD was part of a seven aircraft flight conducting formation practice at approximately 1500 ft MSL. During a shallow left banking turn, and after receiving the command to move from a…Aug 13, 2011 · N189DK · Substantial damageAccident 20090724017679AAmtr RV7A · Brodhead, WI(-23) On July 24, 2009, 1145LCL, N257RV a vans RV7A operated by [privacy data omitted] the sole occupant, flipped over after the nose gear collapsed while landing on runway 27 (turf) Brodhead, Wisconsin. The VFR flight originated at dixon Illinois. The pilot…Jul 24, 2009 · N257RV · Substantial damageAccident 20090718016179AWeissr Lancair · Santa Clarita, CA(-23) ARRIVED AT ACCIDENT SITE AT 13;30 on 07/18/2009. DAMAGE TO THE AIRCRAFT INDICATES THAT IT STRUCK THE GROUND IN A NOSE DOWN, WINGS LEVEL ATTITUDE AT A HIGH RATE OF SPEED. THE DEBRIS FIELD WAS CONTAINED IN A SMALL AREA AROUND THE AIRCRAFT WITH ALL…Jul 18, 2009 · N244RR · Destroyed · 2 fatalAccident 20071230832009AAmtr RV8 · Alexandria, MN(-23) Pilot performed preflight and run-up and departed on runway 13. At 90 knots, 200 to 300 feet above the runway the engine lost power. The pilot set 100% flaps and turned the aircraft to the right (to avoid a fence and highway). The aircraft impacted the…Dec 30, 2007 · N5093F · Substantial 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 ('41871')
  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 · 1

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 = 'IO360M1B'
  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 · 36

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 36 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 ('41871')
    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.