Bennett William J MINI - 500 airworthiness directives

Manufacturer (registry): BENNETT WILLIAM J
Model: MINI - 500
Registry code: 05601VW
Registered: 0 aircraft
Type: Rotorcraft
Engines: 1 · Reciprocating
Seats: 1
Weight class: Up to 12,499 lb
Certification: Not type certificated

Model codes come from the FAA registry’s reference file. ADs are matched to them by model name and maker.

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Airworthiness directives that may apply · 0

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

No ADs matched this model

Registered aircraft · 0

No aircraft currently registered with this model

NTSB investigations · 1

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

First occurrence, 1982 to 2007

Airframe/component/system failure/malfunction1 case

Of 1 case with NTSB’s older coding, defined in its coding manual.

NTSB MIA98LA137Accident · No injuriesLimited investigationFinal reportBennett M-500A · Lakeland, FLa hex nut on the cyclic flight control pushrod bolt had backed off for undetermined reason(s) and allowed the bolt to become disconnected from the control yoke teeter block, resulting in a loss of cyclic control and subsequent roll over during an emergency…Apr 20, 1998 · N105WB · Substantial damage

Query with SQL

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.aircraft_model_code IN ('05601VW') ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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.aircraft_model_code IN ('05601VW')
  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.aircraft_model_code IN ('05601VW')
ORDER BY c."eventDate" DESC, c."ntsbNumber" 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.

FAA incident reports · 1

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

Accident 19980420007379AAmtr MINI500 · Lakeland, FLVibration on approach. Nosed down. Impacted nose first. Rolled over. Rotor control push rod came off. Lost cyclic. (-23) pilot stated he experienced a 1 to 1 vertical vibration on final. He started a deceleration at 50 feet. The nose of the helicopter tucked…Apr 20, 1998 · N105WB · 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 aircraft_model_code IN ('05601VW')
  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 aircraft_model_code IN ('05601VW')
ORDER BY event_date DESC, report_number 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.

Service difficulty reports · 15

SDR 99ZZZX236Cover · crackedAFTER APPROXIMATELY 1 HOUR OF ENGINE OPERATION, THE STARTER HOUSING WAS OBSERVED TO BE CRACKED ON EITHER SIDE OF THE STRATER MOTOR. SUBMITTER SUGGESTED STARTER WAS IMPROPERLY MOUNTED, AS DELIVERED IN THE KIT. THE O-RINGS WERE COMPRESSED TO THE POINT THERE WASep 25, 1998 · N248F · Amtr MINI500 · Engine Starter SDR 99ZZZX235O Ring · pinchedFILM OF OIL OBSERVED AROUND INSIDE OF THE SPRAGUE CLUTCH. A CALL TO REVOLUTION HELICOPTER CONFIRMED RED COLOR. INSPECTION REVEALED NO REMAINING FLUID AND A PINCHED O-RING. SEIZURE WAS IMMINENT. SUBMITTER SUGGESTED POOR QC AT ASSEMBLY AND RECOMMENDED ALL CSep 25, 1998 · N248F · Amtr MINI500 · Main Rotor Drive System SDR 98ZZZX3870Control Cable · looseUPON LIFTING THE HELICOPTER INTO A HOVER, SUBMITTER NOTICED IT WAS IMPOSSIBLE TO CONTROL THE SWING OF THE TAIL EVEN WHILE HOLDING THE PEDALS STILL. DISASSEMBLED THE TAIL BOOM AND REMOVED THE TAIL ROTOR PUSH/PULL CABLE. FURTHER INSPECTION REVEALED .50 INCH OFSep 1, 1998 · N248F · Amtr MINI500 · Tail Rotor Control System SDR 98ZZZX1686Nut · detachedROTOR CONTROL NUT BACKED OFF OF BOLT P/N 0434 DISCONNECTING MAIN ROTOR PITCH CONTROL. SUBMITTER STATED NUT AND BOLT ASSY SHOULD BE DOUBLE-NUTTED OR DRILLED AND COTTER KEYED TO PREVENT SEPARATION. THERE ARE A TOTAL OF 4 OF THESE ASSEMBLIES IN THE CONTROL SYSTApr 20, 1998 · N105WB · Amtr MINI500 · Main Rotor Control SDR 98ZZZX1084Battery Box · not groundedHELICOPTER HAS BATTERY BOX BOLTED TO COMPOSITE FIREWALL. BATTERY BOX IS NOT GROUNDED TO BATTERY. A REGULATOR RECTIFIER AND STARTER RELAY ARE GROUNDED TO BATTERY BOX. A SCREWDRIVER WAS ACCIDENTLY DROPPED INSIDE OF BATTERY BOX TOUCHING POSITIVE TERMINAL. SCRFeb 25, 1998 · N120VT · Amtr MINI500 · Battery Box Structure SDR 99ZZZX762Snap Ring · mismanufacturedTHE SNAP RING THAT HOLDS THE BEARING IN PLACE WAS MACHINED .1250 INCH BELOW THE TOP OF THE BEARING. THE SNAP RING COULD NOT BE PROPERLY INSTALLED, FOUND THE BEARING WAS ONLY HELD IN BY PRESS FIT.Jan 26, 1998 · N248F · Amtr MINI500 · Main Rotor Head SDR 99ZZZX761Bolt · looseTHE ROTORHEAD TOLERANCES ARE SO LOOSE THAT IT IS IMPOSSIBLE TO CORRECTLY DETERMINE THE CONING ANGLE. THE BOLTS HOLDING THE GRIPS IN PLACE ALLOW THE HEADS CONE ANGLE TO VARY PLUS OR MINUS 1 DEGREE. TWO DEGREES IS NORMAL, SO THIS IS A 50 PERCENT ERROR. SUBMITJan 26, 1998 · N248F · Amtr MINI500 · Main Rotor Head SDR 98ZZZX502Frame · crackedMOST ALL MINI-500 AIRFRAMES HAVE CRACKED NEAR THE MAIN ROTOR GEARBOX MOUNT BOLT HOLES. ALL ARE LOW TIME ANYWHERE FROM 6 HOURS AND UP. AIR FRAME TUBE STRUCTURE MAY BE OF TOO THIN MATERIAL. SUBMITTER BELIEVES CRACKS FORM BECAUSE OF THE INABILITY TO TRACK AND Jan 22, 1998 · N120VT · Amtr MINI500 · Fuselage Main, Structure SDR 98ZZZX501Shaft · mismanufacturedBECAUSE OF MANY PROBLEMS WITH VIBRATIONS CRACKING FRAME, FOUND THE MAIN ROTOR SHAFT HAS AN INTERNAL FLAW. IT WAS MANUFACTURED NOT BEING TRUE INSIDE. THE INSIDE OF ROTOR MAST IS NOT CONCENTRIC WITH OUTSIDE. THE MAIN CONTROL ASSEMBLY (SWASHPLATE) BOLTS TO THEJan 22, 1998 · N120VT · Amtr MINI500 · Main Rotor Mast/Swashplate SDR 99ZZZX764Blade · mismanufacturedBUILDER'S MANUAL INDICATES THAT THE PRE-CONE ANGLE SHOULD BE 2 DEGREES. THE SUPPLIED BLADES WERE AT .25 DEGREES AND 1.1. DEGREES. ADDITIONAL TAIL ROTOR BLADES WERE PURCHASED, BUT THEY WERE ALSO OUT OF SPEC. SUBMITTER SUGGESTED ALL TAIL ROTOR BLADES SHOULD BJan 20, 1998 · N249F · Amtr MINI500 · Tail Rotor Blades SDR 99ZZZX763Blade · mismanufacturedBUILDER'S MANUAL INDICATES THAT THE PRE-CONE ANGLE SHOULD BE 2 DEGREES. THE SUPPLIED BLADES WERE AT .25 DEGREES AND 1.1. DEGREES. ADDITIONAL TAIL ROTOR BLADES WERE PURCHASED, BUT THEY WERE ALSO OUT OF SPEC. SUBMITTER SUGGESTED ALL TAIL ROTOR BLADES SHOULD BJan 20, 1998 · N249F · Amtr MINI500 · Tail Rotor Blades SDR 98ZZZX486Engine · seizedENGINE SEIZED IN-FLIGHT. SERVICE CENTER THAT REPAIRED ENGINE SAID COUNTERWEIGHT CAME OFF REAR OF CRANKSHAFT. SERVICE CENTER ALSO SAID THEY BELIEVE THAT COUNTEWEIGHT CAME OFF DUE TO THE WAY REVOLUTION INSTALLS BEARING ON END OF CLUTCH. IT IS HELD STATIONARY Jan 16, 1998 · N120VT · Amtr MINI500 · Reciprocating Engine Power Section SDR 97ZZZX5105Engine · failedDURING PATTERN WORK, ENGINE FAILED AT ABOUT 500 FEET AFTER TAKEOFF. HELICOPTER WAS DESTROYED. REASON FOR ENGINE FAILURE NOT GIVEN.Oct 26, 1997 · N7234Y · Amtr MINI500 · Engine (Reciprocating)SDR 97ZZZX2718Clutch · vibrationTHIS IS AN AMATEUR-BUILT AIRCRAFT FROM REVOLUTION HELICOPTERS. AT 100 PERCENT ENGINE RPM, PILOT REPORTED A VERY HIGH VIBRATION IN THE AIRFRAME. TROUBLESHOOTING REVEALED AN 8.0 IPS VIBRATION AT 6,500 RPM AT THE ENGINE CLUTCH ASSY. THE CLUTCH WAS SENT BACK TOMay 3, 1997 · N5455K · Amtr MINI500 · Engine/Transmission Coupling SDR 96ZZZX4400Piston · undersizeTHE ENGINE BACKFIRED AND MOMENTARILY HAD A LOSS OF POWER. THE PISTONS WERE FOUND UNDERSIZED AT THE SKIRT END. THIS COULD HAVE POSSIBLY BEEN CAUSED BY IMPROPER BREAK IN PROCEDURES.Jun 27, 1996 · N500ZZ · Amtr MINI500 · 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 aircraft_model_key = 'MINI500'
  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 aircraft_model_key = 'MINI500'
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.

The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

Query with SQL

duckdb -csv -c "SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
  WHERE m.match_key = 'MINI500' AND m.code NOT IN ('05601VW')
  GROUP BY ALL
  ORDER BY aircraft DESC
  LIMIT 12"

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 m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
WHERE m.match_key = 'MINI500' AND m.code NOT IN ('05601VW')
GROUP BY ALL
ORDER BY aircraft DESC
LIMIT 12

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.