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Lycoming VO-435-A1F

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Engine model · Reciprocating · 250 hp · registry code 42200

Manufacturer (registry)
LYCOMING
Model
VO-435-A1F
Registry code
42200
Installed in
15 registered aircraft
Type
Reciprocating
Power
250 hp
Data sheet
TCDSE-279
Holder
Lycoming Engines

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

On this page

Airworthiness directives that may apply · 8

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

1968In forceSuperseded2026
Superseded and historical ADs · 1
AD 2024-21-02Engine (Reciprocating)HistoricalEffective Dec 5, 2024 · Replaced by AD 2026-04-11
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 ('42200'))
  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 · 2

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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 ('42200'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

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Registered aircraft · 15

N1001FAg Air Inc · Cheyenne, WYBuilt 1979 · S/N 79033N100HTMitchell Brian N · Scottsdale, AZBuilt 2010 · S/N 2N1201YHhi Farms LLC · Hamilton, MIBuilt 1979 · S/N 78-024N50HBDyer Randall J · Frazier Park, CAS/N 3063N5179Bishop Kurt D · Findlay, OHBuilt 2007 · S/N 623N51859Barr Andrew B · Beulah, MSBuilt 1979 · S/N 79-026N53997Frederickson Don · Kokomo, INBuilt 1967 · S/N 3778N64702Hendrickson Flying Service Inc · Rochelle, ILBuilt 1962 · S/N 2706N73249English Air Service LLC · Georgetown, TXBuilt 1964 · S/N 2781N73974Triple F Flying Inc · Benton, PABuilt 1964 · S/N 2874N7574Charles Farms Inc · Lancaster, PABuilt 1961 · S/N 2665N777TCCook Timothy · Byrdstown, TNBuilt 2018 · S/N 0834N9021RSky Horse Helicopters Inc · Brady, TXS/N CCI-165N955BLambert Brian J · Owasso, OKBuilt 1954 · S/N 711N9595BSouthern Aircraft Consultancy Inc Trustee · Casper, WYS/N 6528
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 ('42200')
  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 · 20

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 4 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

First occurrence, 1982 to 2007

Of 6 cases with NTSB’s older coding, defined in its coding manual.

NTSB ERA21LA335Accident · No injuriesClass 3 · LimitedFinal reportHummer 260L · Livingston, TNA total loss of engine power for reasons that could not be determined. Contributing to the accident was the pilot’s operation of the helicopter in a flight regime that would not allow for a successful autorotative landing.Aug 18, 2021 · N777TC · Substantial damageNTSB CEN16LA161Accident · Serious injuriesLimited investigationFinal reportBell 47G-2A · Los Fresnos, TXThe pilot's inability to see and avoid the power lines because of trees obscuring his view.Apr 21, 2016 · N64702 · DestroyedNTSB CEN12LA480Accident · Minor injuriesLimited investigationFinal reportScotts-Bell 47 47G-2A · Akeley, MNThe pilot’s failure to maintain helicopter control during low altitude agricultural operations.Jul 25, 2012 · N73252 · Substantial damage
See all 20 investigations
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 ('42200')
  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 · 17

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

Accident 20210818014409ACook Timothy Hummer 260L · Livingston, TNAircraft departed 8A3 to the north. The aircraft accelerated through etl and began its departure climb. At approximately 100 ft AGL the engine quit. Pilot responded by conducting an autorotation. During the decent the engine sputtered a bit but failed to…Aug 18, 2021 · N777TC · Substantial damageAccident 20160421008359ABell 47G-2A · Los Fresnos, TXOn April 21, 2016, while spraying a cotton field the aircraft, Bell 47, N64702, hit two power service lines and crashed. The aircraft crashed approximately 50 yds. From the point of impact with the wires and exploded on impact with the ground. The pilot was…Apr 21, 2016 · N64702 · DestroyedAccident 20120725015639ABell 47G-2A · Akeley, MNPilot stated he was making a clean up pass to the north. He crossed some small power lines as he descended and shortly thereafter felt a small vibration in the rudder pedals. The helicopter started to yaw to the right and go nose down. He attempted to push…Jul 25, 2012 · N73252 · Destroyed
See all 17 incident reports
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 ('42200')
  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 · 9

SDR AU510002119Shaft · crackedTHROTTLE/COLLECTIVE CONTROL SHAFT CRACKED IN AREA HIDDEN BY GEAR.Aug 11, 2005 · Bell 47G2 · Power LeverSDR CA010313014Tube · cracked(CAN) DURING DAILY INSPECTION ON MAIN CONTROL STABILIZER BAR AS PER AD 74-08-02. PILOT FOUND STABILIZER BAR TUBE WAS CRACKED.Feb 28, 2001 · Bell 47G2 · Main Rotor HeadSDR 98ZZZX3311Gear · fracturedENGINE FAILED WITHOUT WARNING. UPON INVESTIGATION, FOUND TIMING GEAR FRACTURED STOPPING THE MAGS. SUBMITTER STATED SUPPLIER REPORTED THEY HAVE HAD AT LEAST 5 OF THESE FAILURES IN THE LAST 5 YEARS. THEY CANNOT COME UP WITH A REASON, THEY SAID POSSIBLY TIMINGAug 20, 1998 · N61SD · Bell 47G3B1 · Reciprocating Engine Power SectionSDR AU980259Stud · failed(AUS) NR 5 CYLINDER HOLD DOWN STUDS FAILED.Mar 3, 1998 · Bell 47G3B1 · Reciprocating Engine Power SectionSDR AU971106Bearing · worn(AUS) LATERAL CYCLIC TORQUE TUBE FORWARD SUPPORT BEARING WORN.May 23, 1997 · Bell 47G3B1 · Main Rotor ControlSDR AU971113Bearing · worn(AUS) COLLECTIVE LEVER FORWARD BEARING WORN. PERSONNEL/MAINTENANCE ERROR.May 23, 1997 · Bell 47G3B1 · Main Rotor ControlSDR AU971105Data Plate · incorrect data(AUS) SUSPECT INCORRECT DATA PLATE FITTED TO HELICOPTER. AIRCRAFT HAD BEEN EXTENSIVELY REBUILT IN 1989. PERSONNEL/MAINTENANCE ERROR.May 8, 1997 · Bell 47G3B1 · Placards and MarkingsSDR AU971112Extinguisher · wrong part(AUS) UNAPPROVED TYPE OF DRY POWDER FIRE EXTINGUISHER FITTED. UNAPPROVED PART.May 8, 1997 · Bell 47G3B1 · Fire Bottle, PortableSDR AU960299Piston · worn(AUS) ALL SIX CYLINDERS FOUND TO HAVE EXCESSIVE WEAR TO PISTONS, RINGS AND VALVE TRAIN INCONSISTANT WITH TIME SINCE OVERHAUL - SUSPECTCAUSED BY UNREPORTED ENGINE OVERSPEEDMar 15, 1996 · Bell 47G3B1 · Reciprocating Engine Cylinder Section
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 = 'VO435A1F'
  ORDER BY difficulty_date DESC"

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STCs that may be installed · 22

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 SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.Alcor LLC · Lists VO-435 SeriesSTC SE01954SEInstallation of engine crankcase seal.Ly-Con Rebuilding CompanySTC SE8628SWInstallation of oil nozzles for lubrication of cam and filters.Cygnet Aerospace Corp
See all 22 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 ('42200')
    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.