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Pratt & Whitney JFTD12A series

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Engine model · Turbo-shaft · 4,500 hp · registry code 52047

Manufacturer (registry)
P & W
Model
JFTD12A SER
Registry code
52047
Installed in
15 registered aircraft
Type
Turbo-shaft
Power
4,500 hp
Data sheet
TCDSE15EA
Holder
Erickson Incorporated DBA Erickson Air-Crane

The registry names only the engine series, so ADs for every model in the series are matched.

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Airworthiness directives that may apply · 2

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

1974In forceSuperseded2026
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 ('52047'))
  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 · 15

N154ACHelicopter Express LLC · Chamblee, GABuilt 1967 · S/N 64037N159ACHelicopter Express LLC · Chamblee, GABuilt 1970 · S/N 64084N179ACHelicopter Express LLC · Chamblee, GABuilt 1970 · S/N 64091N194ACHelicopter Express LLC · Chamblee, GABuilt 1967 · S/N 64017N218ACHelicopter Express LLC · Chamblee, GABuilt 1967 · S/N 64033N4035SSiller Helicopters LLC · Chamblee, GABuilt 1975 · S/N 64099N4037SSiller Helicopters LLC · Chamblee, GABuilt 1975 · S/N 64101N623HXSiller Helicopters LLC · Chamblee, GABuilt 1994 · S/N 66-18411N625HXHelicopter Express LLC · Chamblee, GABuilt 1968 · S/N 64034DN630HXHelicopter Express LLC · Chamblee, GABuilt 1993 · S/N 64093N655HXHelicopter Express LLC · Chamblee, GABuilt 1968 · S/N 64052N6979RU S Leaseco Inc · Aurora, ORBuilt 1968 · S/N 64079N7095BSiller Helicopters LLC · Chamblee, GABuilt 1994 · S/N 67-18430N719HTU S Leaseco Inc · Aurora, ORS/N 69-18469N720HTUS Leaseco Inc · Aurora, ORS/N 69-18463
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 ('52047')
  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 · 8

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 3 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 2 cases with NTSB’s older coding, defined in its coding manual.

NTSB WPR23FA302Accident · 3 fatalClass 3 · FieldFinal reportSikorsky S-64E · Cabazon, CAThe Skycrane flight crew’s decision to enter the Fire Traffic Area’s 7-nm NOCOM ring at an altitude significantly above their maximum cleared altitude, which resulted in their need for an aggressive descent into congested airspace and subsequent failure to…Aug 7, 2023 · N4037S · 2 aircraft · Minor damageNTSB WPR10WA321Accident · 1 fatalForeign investigationErickson S64E · Borneo Island, IndonesiaJun 25, 2010 · N229AC · Substantial damageNTSB WPR09LA184Accident · No injuriesLimited investigationFinal reportSikorsky CH-54B · Corvallis, ORThe improper assembly of main rotor blade control components by the operator's maintenance personnel, which resulted in the main rotor blade's divergent path and their contact with the tail rotor drive shaft during ground operation following landing.Apr 7, 2009 · N719HT · Substantial damageNTSB SEA05RA139Accident · 1 fatalForeign investigationErickson Air-Crane S-64F · Rome, ItalyJul 6, 2005 · N236AC · DestroyedNTSB WAS04WA012Accident · 2 fatalForeign investigationSikorsky S-64E · Bastia, Corsica, FranceAug 26, 2004 · N248AC · DestroyedNTSB LAX03TA229Accident · No injuriesFinal reportSikorsky S-64E · Tucson, AZthe pilot's failure to maintain tail rotor clearance while hovering resulting in a tail rotor blade strike.Jul 8, 2003 · N6979R · Substantial damageNTSB SEA03WA094Accident · Serious injuriesForeign investigationSikorsky S-64F · Bintutu, MalaysiaJun 1, 2003 · N223AC · DestroyedNTSB SEA99LA038Accident · 1 fatalLimited investigationFinal reportSikorsky S-64E · Shelton, WAThe failure of the victim to follow the procedure that required him to make sure that all choker lines had separated from the helicopter's release mechanism prior to entering the landing (collection area).Mar 2, 1999 · N194AC · No damage
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 ('52047')
  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 · 7

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

Accident 20230806010821ASikorsky S-64E · Cabazon, CAOn 08/06/2023 (08/07/2023 UTC) a bell 407 helicopter and CH-54A helicopter separately departed the cal fire base located in hemet, CA engaged in fire support activities being operated in the vicinity of Cabazon, CA is visual meteorological conditions. Around…Aug 6, 2023 · N4037S · Minor damageIncident 20221001009409ISikorsky SK-64 · Central Point, ORThe flight was maintenance related for a return to service validation. The portions of the flight leading to the incident were uneventful and the maintenance related tasks were satisfactory. The final flight check required hovering the aircraft near max gross…Oct 1, 2022 · N159AC · Minor damageAccident 20090407004529ASkrsky CH54B · Corvallis, OR(-23) During shutdown from a training flight, the pilot felt an unusual airframe vibration. The cyclic stick was at the normal upright position for shutdown. The main rotor contacted the nr 5 section of tail rotor drive shaft. Substantial damage to the…Apr 7, 2009 · N719HT · Substantial damageAccident 20050706014939ASkrsky S64F · Roma(-23) On July 6, 2005, at approximately 1630 central european summer time, an erickson air-crane, IN., S-64F helicopter, N236AC, was destroyed following impact with terrain and postimpact fire at Fiumicino international airport, rome, italy. A maintenance…Jul 6, 2005 · N236AC · Destroyed · 1 fatalAccident 20030707016859ASkrsky S64E · Tucson, AZ(-23) While firefighting in the Tucson, AZ area the pilot had made the sixth (6th) fueling cycle (ea. "Cycle is approx. 1.5 hrs) and were about to depart when the ground crew signaled the pilots to shut down the helicopter. Upon further inspection the crew…Jul 7, 2003 · N6979R · Minor damageAccident 19990302001929ASkrsky S64E · Shelton, WASikorsky S64E skycrane helicopter was involved in a logging operation, the acft came in to the landing site and dropped a load of logs, one log hung up on a cable and swung around striking and fatally injuring a ground employee, other circunstances are…Mar 2, 1999 · N194AC · 1 fatalIncident 19820112002959ISkrsky S64E · San Jose, CATail rotor struck runway just before touchdown for landing. Left main strut was flat. Piece of rotor hit cockpit.Jan 12, 1982 · N4037S · Minor 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 engine_model_code IN ('52047')
  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

No reports name this modelGeneral aviation reporting is voluntary.

PMA parts · 397

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.

80888TMTGear, Driver – ControlSource Manufacturing Inc · PMA PQ1549CE · Replaces 80888 · Apr 10, 2026745112TMTRivet–Split, FillisterSource Manufacturing Inc · PMA PQ1549CE · Replaces 745112 · Apr 10, 2026790450TMTBearing, SleeveSource Manufacturing Inc · PMA PQ1549CE · Replaces 790450 · Apr 10, 2026
See all 397 PMA parts
Query with SQL
duckdb -csv -c "SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
  FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
  WHERE tcds_number IN ('E15EA')
    AND len(list_intersect(tcds_models, ['JFTD12A-4A (T73P-1)', 'JFTD12A-5A (T73-P-700)'])) > 0
  ORDER BY supplement_date DESC, drs_guid 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.