Engine model · Reciprocating · 350 hp · registry code 41538

Manufacturer (registry)
LYCOMING
Model
IGO-540-B1A
Registry code
41538
Type
Reciprocating
Power
350 hp
Data sheet
TCDS1E11
Holder
Lycoming Engines

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

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Airworthiness directives that may apply · 16

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

1962In forceSuperseded2026
ADs by the year they took effect: 21 ADs
19621
19691
19701
19741
19751
19771
19781
19791
19811
19921
19971
19981
20032
20041
20082
20091
20122
20151
See all 21 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 ('41538'))
  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 · 2

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 ('41538'))
  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 · 9

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 ('41538')
  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 · 13

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 3 cases with NTSB’s older coding, defined in its coding manual.

NTSB ANC97LA158Accident · No injuriesLimited investigationFinal reportPilatus PC-6-350 · Palmer, AKAn underspeed of the propeller system.Sep 30, 1997 · N4911 · Substantial damageNTSB NYC87DNC03Accident · No injuriesFinal reportAero Commander 680 · Barre, VTWitness observed the acft touchdown about 2000 feet down 5001 foot rwy. The rwy was reported wet and icy in spots at the north end only. The acft overran the rwys end and went down into a ravine about 25 ft below rwy level. There was no indication of…Dec 3, 1986 · N6375U · Substantial damageNTSB ATL84LA142Accident · No injuriesLimited investigationFinal reportAero Commander 560F · Hilton, SCThe acft was landed with the gear retracted. The nose gear light indicating down remained'on' at all itmes but had no bearing on the landing gear extension/retraction system. The plt did not report using a checklist or lowering the landing gear. The landing…Apr 7, 1984 · N6368U · Substantial damageNTSB FTW81DRD12Accident · No injuriesClosedAero Comdr 560C · Brownsville, TXJan 23, 1981 · N4385 · DestroyedNTSB MIA81DKT10Accident · No injuriesClosedAero Comdr 560F · Naples, FLNov 18, 1980 · N444R · DestroyedNTSB DEN79FTE12Accident · No injuriesClosedAero Comm 680F · Lajunta, CODec 12, 1978 · N11VM · Substantial damageNTSB MIA78FLD38Accident · No injuriesClosedAero Comdr 560 · Holopaw, FLApr 22, 1978 · N36JH · DestroyedNTSB LAX77FUM14Accident · No injuriesClosedAero Comdr 560F · San Diego, CAJan 29, 1977 · N301T · Substantial damageNTSB ANC71FAG84Accident · No injuriesClosedPilatus PC-6 · Iliamna, AKMay 4, 1971 · N4911 · Substantial damageNTSB ANC69A0057Accident · No injuriesClosedPilatus PC-6 · Dead Horse, AKMay 20, 1969 · N4911 · Substantial damageNTSB MIA69A0058Accident · No injuriesClosedAero Comdr 560-F · Greenwood, MSMar 27, 1969 · N356R · Substantial damageNTSB OAK68D0173Accident · No injuriesClosedAero Comdr 560-F · Hernandz Lk, CAJun 14, 1967 · N160K · Substantial damageNTSB LAX67F0037Accident · No injuriesClosedAero Comdr 560F · Van Nuys, CAJul 8, 1966 · N162K · 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 ('41538')
  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 · 13

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

Incident 20210501009689IMaule MX-7-235 · Sparta, TN[privacy data omitted]Pilot in command stated he was practicing landings and just flying for pleasure. He obtained a weather report (patwas) before takeoff and thought the winds would be manageable. After checking weather before approach and to his surprise…May 1, 2021 · N235PL · Minor damageAccident 19970929039599APilats PC6350 · Palmer, AKFailed become airborne during takeoff on remote strip. Struck trees off end runway. (.4)the pilot stated that while departing an 800-foot off-airport landing area, the airplane did not become airborne and collided with trees at the departure end. The airplane…Sep 29, 1997 · N4911 · Substantial damageIncident 19930421017459IGulstm 560F · Stockton, CANose gear collapsed on landing rollout. Appears nose gear doors failed to open completely to allow gear to extend.Apr 21, 1993 · N160K · Minor damageIncident 19891212063159IGulstm 560F · Lake Charles, LAPilot had radio problems and inadvertently entered traffic area without authorization.Dec 12, 1989 · N303HIncident 19870816051099IGulstm 560F · Albuquerque, NMDiverted after a vibration developed on left engine. Left propeller spinner bracket was broken.Aug 16, 1987 · N6126XAccident 19861203064029AGulstm 680FL · Barre Montpelie, VTThe aircraft ran off the end of the runway after a long, fast touchdown. Ice patches reported on end of runway.Dec 3, 1986 · N6375U · Substantial damageAccident 19840406012479AGulstm 560F · Hilton Head Isl, SCLanded gear up. No gear defects. Gear doors undamaged.Apr 6, 1984 · N6368U · Substantial damageIncident 19821210066099IGulstm 680FL · Gorman, CA#3 Left engine cylinder hold down studs broke. Feathered propeller and landed at destination.Dec 10, 1982 · N6375UAccident 19810123002749ARkwell 560F · Brownsville, TXReported being lost on local test flight at sea due to thunderstorms. Ditched. Rescued. License had been revoked.Jan 23, 1981 · N4385 · DestroyedAccident 19801118071269ARkwell 560F · Naples, FLTakeoff from road was being attempted. Aircraft hit trees & burned. Illegal drug flight probable.Nov 18, 1980 · N444R · DestroyedAccident 19781212039919ARkwell 680FLP · Lajunta, CODuring low pass to look at antelope,left wing struck an unknown ot.Dec 12, 1978 · N11VM · Substantial damageAccident 19780422010679ARkwell 560F · Holopaw, FLAcft under surveillance for drug trafficking. Accident date & injundex presumed.Apr 22, 1978 · N36JH · DestroyedAccident 19770129001419ARkwell 560F · San Diego, CARt eng caught fire on start. Rt eng fuel line disconnected. Acft not released from maint.Jan 29, 1977 · N301T · 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 ('41538')
  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 · 2

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 = 'IGO540B1A'
  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 · 16

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 16 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 ('41538')
    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.