Engine model · 4 cycle · 180 hp · registry code 40891

Manufacturer (registry)
LYCOMING
Model
IO-360-M1A
Registry code
40891
Type
4 cycle
Power
180 hp
Data sheet
TCDS1E10
Holder
Lycoming Engines

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

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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.

1967In forceSuperseded2026
ADs by the year they took effect: 25 ADs
19671
19821
19921
19971
19981
20032
20041
20062
20071
20083
20091
20101
20111
20123
20151
20171
20211
20241
20261
See all 26 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 ('40891'))
  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 ('40891'))
  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 · 113

See all 113 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 ('40891')
  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 · 3

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 3 cases 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 ('40891')
  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 · 6

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

Incident 20251112021119ICostruzioni Aeronautiche Tecna P2010 · Venice, FLOn 11/12/2025 at approximately 0938 EST (1438Z), while operating at roughly 2,000 ft MSL and 10 NM northwest of kvnc, the aircraft struck a bird. There was no propeller stoppage, no abnormal engine or system indications, and aircraft performance remained…Nov 12, 2025 · N1472W · Minor damageAccident 20250207000809AVulcanair S P A Vulcanair V1.0 · Cheswold, DEWhile aircraft was on final approach for landing to runway 09, the aircraft experienced a total loss of engine power, resulting in the aircraft landing short of the runway. Upon touchdown the aircraft flipped over sustaining damage to the vertical stabilizer,…Feb 7, 2025 · N186DS · Substantial damageIncident 20241111020009ICostruzioni Aeronautiche Tecna P2010 · Waco, TXPer pilot, they were performing touch and goes. After landing on runway 19 and proceeding down the runway the gear started to feel “squirrely” and started to pull to the left. They received permission to stop there on the runway. Upon inspecting the aircraft…Nov 11, 2024 · N520U · Minor damageAccident 20240507010979ACostruzioni Aeronautiche Tecna P2010 · Waco, TXAircraft [privacy data omitted] was landing runway 19 at act. At landing the nose gear seperated, causing the prop to strike runway. Aircraft slid on its nose, veering to the left and departed the runway, coming to a stop in the grass. No injuries or post…May 7, 2024 · N502U · Substantial damageAccident 20220722007119AVulcanair S P A Vulcanair V1.0 · Salisbury, MDEvent occurred during a leg of a student solo cross country; pilot "porpoised" the landing, impacted the propeller, and collapsed the nose landing gear.Jul 22, 2022 · N979DS · Substantial damageIncident 20211010014499IDiamond Aircraft Ind DA 40 · Murfreesboro, TNAircraft bounced 4 times after touchdown, coming down at steep nose down angles. This caused the nose gear to collapse after impact and fold up under the engine cowling.Oct 10, 2021 · N597MT · Minor 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 ('40891')
  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 · 128

See all 128 difficulty reports
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 = 'IO360M1A'
  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 ('40891')
    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.