Engine model · Turbo-shaft · 715 hp · registry code 54525

Manufacturer (registry)
ROLLS-ROYC
Model
250-C40B
Registry code
54525
Type
Turbo-shaft
Power
715 hp
Data sheet
TCDSE1GL
Holder
Rolls-Royce Corporation

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

On this page

Airworthiness directives that may apply · 4

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

1982In forceSuperseded2026
ADs by the year they took effect: 5 ADs
19821
19971
20051
20062
Superseded and historical ADs · 1
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 ('54525'))
  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 · 19

See all 19 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 ('54525')
  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.

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 ('54525')
  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.

Accident 20141221023231ABell 430 · Miami Gardens, FLWhile hover taxiing helicopter (N430WH) to a parking pad the tail rotor made contact with the main rotor blade tip of an unoccupied parked helicopter (N155WH).Dec 21, 2014 · N430WH · Substantial damageAccident 20140105002489ABell 430 · Venice, LAPilot was distracted with personal issues on short final to an offshore heliport. She allowed aircraft to make contact with hand rail on the gantry of the crane. She was unaware of the contact until she was about to set the aircraft down and it developed a…Jan 5, 2014 · N430CT · Substantial damageAccident 20130713013229ABell Helicopter Textron 206L-1 · Inyokern, CAWhile performing a 180° auto rotation for company training, the PIC was unable to recover from a low power setting. The helicopter made hard contact with the runway causing the skid to collapse and the main rotor blades to contact the tail boom.Jul 13, 2013 · N123HP · Substantial damageIncident 20130118001779IBell 430 · Kahului, HIAfter encountering turbulence at mcgregor point (maui) on the way to lanai airport (hwaii) the auto pilot disengaged and the pilot lost airspeed light and other instrument lights. After the pilot took over the control of the aircraft, he found himself in a…Jan 18, 2013 · N25CL · No damageIncident 20070602008009IBell 430 · Boise, ID(-23) After departing the Idaho helicopter facility (boi) for the st. lukes helipad in meridian Idaho, the pilot [privacy data omitted] was notified by ATC that a northwest A320 was just struck by a ground based green laser. Approximately 2.5 miles from the…Jun 2, 2007 · N430SL · No damageIncident 20070106000199IBell 430 · Emmett, ID(-23) On January 06, 2007, in bound to boise the pilot noticed the transmission quill chip light illuminated. The pilot notified boi approach and landed by highway 16 close to Emmett, ID.Jan 6, 2007 · N431SL
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 ('54525')
  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 · 87

See all 87 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 = '250C40B'
  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 · 1

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.

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 ('54525')
    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.