- Manufacturer (registry)
- ALLISON
- Model
- 250-C20
- Registry code
- 03080
- Installed in
- 54 registered aircraft
- Type
- Turbo-shaft
- Power
- 400 hp
- Data sheet
- TCDSE4CE
- Holder
- Rolls-Royce Corporation
Model codes come from the FAA registry’s reference file.
On this page
Airworthiness directives that may apply · 20
ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.
| 1972 | 1 |
|---|---|
| 1973 | 1 |
| 1974 | 1 |
| 1977 | 2 |
| 1979 | 1 |
| 1981 | 1 |
| 1982 | 2 |
| 1984 | 1 |
| 1989 | 1 |
| 1996 | 1 |
| 1999 | 1 |
| 2001 | 1 |
| 2005 | 3 |
| 2006 | 2 |
| 2012 | 1 |
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2022 | 1 |
See all 25 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 ('03080'))
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.
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 ('03080'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESCRun 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.
Information bulletins that may apply · 1
Engine · Allison 250-C20
SAIB CE-01-10Query 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 ('03080'))
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.
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 ('03080'))
GROUP BY s.saib_number ORDER BY issue_date DESCRun 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.
Registered aircraft · 54
N101DGSummit Helicopters Inc · Salem, VAN106JCTrans Peco Aviation LLC · Fort Stockton, TXN111HFPlane Fun Inc Tr Trustee · Snellville, GA
See all 54 registered aircraftQuery 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 ('03080')
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.
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 ('03080')
ORDER BY n_numberRun 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.
NTSB investigations · 14
Aircraft matched to this engine model through the registry, by N-number and event date, checked against the reported serial number, make and model.
Of 11 cases NTSB coded with a defining event. All defining events
Findings NTSB made part of the probable cause. A case can have several. All findings
Of 2 cases with NTSB’s older coding, defined in its coding manual.
NTSB WPR26LA086Accident · Serious injuriesClass 4 · LimitedFinal reportBell 206L-3 · Logsden, ORThe inadvertent entanglement of a long line with the skid, which resulted in a loss of flight control. Contributing to the accident was the use of nylon lines instead of steel cables to secure the bucket.NTSB CEN22LA323Accident · No injuriesClass 3 · LimitedFinal reportBell 206B · Verona, ILA loss of rotor rpm for reasons that could not be determined.NTSB ERA21LA368Accident · No injuriesClass 3 · LimitedFinal reportHughes 369 · Ash, NCA partial loss of engine power due to corrosion and erosion damage to the engine’s compressor section components.NTSB WPR21LA130Accident · Minor injuriesClass 4 · LimitedFinal reportBell 206B · Laton, CAThe pilot’s failure to maintain clearance from powerlines during low-altitude maneuvering.NTSB WPR20LA323Accident · No injuriesClass 4 · LimitedFinal reportMD Helicopter 369 · Chemehuevi Valley, CAThe pilot’s failure to maintain helicopter control during an approach with a gusting variable wind, which resulted in an impact with terrain.NTSB CEN18LA260Accident · No injuriesLimited investigationFinal reportBell 206 · Bentley, ILThe pilot's failure to ensure that adequate fuel was on board for the maneuvering flight, which resulted in a total loss of engine power due to fuel starvation.NTSB GAA16CA071Accident · No injuriesData collectionFinal reportBell 206 · Christmas Island, KiribatiThe pilot's inadequate preflight inspection and the maintenance crew's failure to remove the tie down.NTSB WPR13LA303Accident · Serious injuriesLimited investigationFinal reportBell 206L-3 · Missoula, MTThe pilot's failure to prevent the helicopter from settling with power and to maintain proper position relative to an external load, which resulted in a loss of control and subsequent hard landing.NTSB WPR13LA137Accident · 1 fatalLimited investigationFinal reportHughes 369HS · Latangai Island, Papua New GuineaThe failure of both the pilot and the fish master of the vessel to adequately monitor their environment, which resulted in a collision.NTSB ERA12LA366Accident · No injuriesLimited investigationFinal reportBell 206B · Longboat Key, FLUnknown personnel's failure to comply with the engine manufacturer's engine fuel pump replacement guidance, which resulted in a total loss of engine power due to the engine fuel pump failure.NTSB ERA09CA138Accident · No injuriesData collectionFinal reportMD Helicopter 369E · Atlanta, GAWind gusts during engine shutdown, which resulted in the main rotor blades contacting the tailboom.NTSB CHI02LA285Accident · Minor injuriesLimited investigationFinal reportHughes 369D · O'Neill, NEA loss of engine power due to turbine blade separation as a result of hot corrosion damage to the turbine blades. Contributing to the accident was the pilot misjudging the flare at the completion of the autorotation resulting in a hard landing. The dark night…NTSB IAD99LA015Accident · Minor injuriesLimited investigationFinal reportBell 206-B · Louisville, KYA loose 'B' nut on the aircraft's PC Air line which resulted in fuel starvation, and the pilot's abrupt application of aft cyclic to prevent a nose over. Contributing factors were soft terrain and dark night conditions.NTSB NYC73FHJ03Accident · No injuriesClosedBell 206A · Flushing, NY
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 ('03080')
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.engine_model_code IN ('03080')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 · 17
Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.
Accident 20260115000099ABell 206L-3 · Logsden, ORAn interview of the PIC revealed the following. The accident occurred at the beginning of a part 137 operation using a hopper/bucket to spread fertilizer. The pilot picked up to a hover, and as is standard practice, observed the chin-bubble mounted mirror…Incident 20230803010499IBell 206B · Cottage Grove, WIWhile applying agricultural spray to a field the pilot of [privacy data omitted] struck a power line with the spray boom of the helicopter. The pilot maintained control of the aircraft and laded without further incident. At the initial inspection the pilot…Accident 20220718007789ABell 206B · Verona, ILAt approximately 1900 local time (0000Z) on July 18, 2022, a Bell 206B helicopter, serial number 4034, [privacy data omitted] departed from an agricultural truck platform 4.8 NM south of Verona, IL, with the sole occupant being the pilot. The purpose of the…
See all 17 incident reportsQuery 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 ('03080')
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 engine_model_code IN ('03080')
ORDER BY event_date DESC, report_number DESCRun 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 · 945
SDR 2026FA0000472Lock Nut · failedMS20143 NUTS ARE UTILIZED TO SECURE WITHIN THE ENGINE ASSEMBLY THE FOLLOWING ARTICLES COMPRESSOR, TURBINE, FUEL CONTROL, GOVERNOR, FUEL PUMP, TACH GENERATORS, GEARBOX SPLIT LINE, AND HAVE BEEN FOUND NUMEROUS OCCASIONS BACKING OFF. THE MS21043 NUTS HAVE BEEN RSDR EVCA07192021Control Unit · malfunctionedRECENTLY INSTALLED SYSTEM TRUE BLUE BATTERY WAS GETTING A RED TEMP HOT CAUTION LIGHT FOR THE AIRCRAFT BATTERY WHEN THE STARTER BUTTON WAS PRESSED. THE BATTERY WOULD NOT PHYSICALLY BE HOT BUT THE TEMP LIGHT WOULD ILLUMINATE ABOVE 3% N1 AND EXTINGUISH BELOW 3% NSDR QMLA2020052820022Duct · looseDURING CRUISE FLIGHT, CREW AND PATIENT COMPLAINED OF CARBON MONOXIDE POISONING SYMPTOMS INCLUDING LIGHT HEADEDNESS, SLEEPINESS AND HEADACHE. HEATER WAS IN OFF POSITION, BOTH SWITCHES, BUT HEAT AND FUMES WERE COMING FROM HEATER VENT IN AFT COMPARTMENT OF AIRCRA
See all 945 difficulty reportsQuery 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 = '250C20' 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 engine_model_key = '250C20' 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.
STCs that may be installed · 6
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 SE5511NMInstallation of compressor discharge pressue (PC) valve.STC SE769NWInstallation of Soloy Part No. 250-1001-1 fuel line.STC SE00027ENInstallation of Pratt & Whitney Engine Services Inc. Intellistart plus electronic control unit (ECU), P/N DPU-K-010 on the specified 250 engine models.STC SE492GLIncorporation of a fuel flow transducer.STC ST00037ATUnison igniter plugs, P/N 9044400-1.STC SQ00338ATUnison igniter leads, P/N9048222-101, 102, 103, 104, 105, 106.
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 ('03080')
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.
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 ('03080')
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_numberRun 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.