Aircraft model · Rotorcraft · Rotorcraft · registry code 8160000

Manufacturer (registry)
SILVER BAY LOGGING INC
Model
CH-54A
Registry code
8160000
Registered
0 aircraft
Type
Rotorcraft
Engines
1 · Turbo-shaft
Seats
20
Weight class
Up to 12,499 lb
Certification
Type certificated
Data sheet
TCDSH17NM
Holder
Silver Bay Logging Inc.

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 · 1

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

1999In forceSuperseded2026
ADs by the year they took effect: 3 ADs
19991
20211
20231
Superseded and historical ADs · 2
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_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('8160000'))
  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.

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

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

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.aircraft_model_code IN ('8160000')
  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 · 1

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

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 ('8160000')
  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 · 7

SDR H3V2007F00000Pin · missingON JULY 8, 2007, HLH EXPERIENCED A HARD GROUND ROLLOVER OF AC. INITIAL INSPECTION OF THE WRECKAGE REVEALED A SERVO PIN, PN 6465-20201-101, FROM THE LT LATERAL SERVO, PN S1565-20421-042, WAS MISSING FROM THE TRANSMISSION LUG CAUSING THE SERVO TO REMOVE ITSELF Jul 8, 2007 · N44094 · Skrsky CH54A · Main Rotor GearboxSDR HL01102006001Bearing · failedMAIN GEAR BOX BEGAN MAKING METAL, THIS WAS NONFERROUS METAL, UPON REMOVAL AND DISASSEMBLY IT WAS DISCOVERED THAT THE 1ST STAGE PLANETARY BEARING, P/NSB2410-2 HAD FAILED, BEARING WAS REPLACED AND RETURNED TO SERVICE. FOR FURTHER INFO SEE HEAVY LIFT WORK ORDER Oct 31, 2006 · Skrsky CH54A · Main Rotor GearboxSDR H3V2005F00000Stator · damagedFOD DAMAGE FROM RIVETS OF THE 1ST STAGE STATOR REAR AIRSEAL (2ND STAGE) DAMAGED THE COMPRESSOR BLADES. THIS CAUSED A STALL AND THE T5 TEMP ROSE TO 1000 DEGREES C INSTANTLY, CAUSING SEVERE TURBINE AND FREE TURBINE BLADES, VANES, AND SEALS DAMAGE. THE AIRCRAFTJul 19, 2005 · N44094 · Skrsky CH54A · Turbine Engine Compressor SectionSDR JYD2001F00001Shaft · crackedEIGHT CRACKS FOUND IN LOWER SPLINES OF MAIN ROTOR SHAFT. MAIN GEARBOX PN 6435200400065, SN A6171 WAS REMOVED FOR OVERHAUL HAVING A TOTAL TIME OF 8857.7 AND 1430.6 HOURS TIME SINCE OVERHAUL. THIS INCLUDES COMPLETING A 130.6 HOUR EXTENSION. DURING THE INSPECTJun 20, 2001 · N176AC · Skrsky CH54A · Main Rotor GearboxSDR 20000404SH006Pump · inoperativeUNIT WAS INOPERABLE. RETURNED TO STOCK. BENCH CHECKED BAD, WINDING SHORTED, LEAKING AROUND ELECTRICAL LEADS. REPLACED COMPLETE UNIT WITH AN EXTERNALLY MOUNTED FUEL BOOST PUMP. (X)Nov 4, 1999 · N44094 · Skrsky CH54A · Fuel Boost PumpSDR CHI1791Locked In Stud · brokeM/R BLADE STUD BROKE (IN TENSION) DIRECTLY BELOW LOCK RING SPLINES ABOVE FIRST THREAD. REPLACED AFFECTED MAIN ROTOR BLADE WITH SERVICEABLE BLADE.May 23, 1997 · N548CH · Skrsky CH54A · Main Rotor BladesSDR CHI1752Intermed Gearbox · crackedUPON INSPECTION IAW COLUMBIA HELICOPTERS SB 54-65-2, THE LEFT LOWER INTERMEDIATE GEARBOX MOUNT LUG WAS FOUND CRACKED. THIS WAS FOUND BY FLUORESCENT PENETRANT AND CONFIRMED BY EDDY CURRENT INSPECTIONS. THE CRACK APPEARED TO ORIGINATE AT THE CORNER OF THE LUG Mar 26, 1997 · N548CH · Skrsky CH54A · Tail Rotor Gearbox
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 = 'CH54A'
  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 · 2

Approved for this 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.

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_aircraft_model_stc.parquet'
    WHERE aircraft_model_code IN ('8160000')
    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.

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 = 'CH54A' AND m.code NOT IN ('8160000')
  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.