Engine model · Turbo-shaft · 4,500 hp · registry code 51502

Manufacturer (registry)
P & W
Model
JFTD12A-4A
Registry code
51502
Type
Turbo-shaft
Power
4,500 hp
Data sheet
TCDSE15EA
Holder
Erickson Incorporated DBA Erickson Air-Crane

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

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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
ADs by the year they took effect: 2 ADs
19741
19971
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 ('51502'))
  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 · 12

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 ('51502')
  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 · 5

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 2 cases NTSB coded with a defining event. All defining events

First occurrence, 1982 to 2007

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

NTSB ANC26FA079Accident · 2 fatalClass 3 · FieldPreliminary reportHelicopter Transport Services CH-54A · Cove Fort, UTOn August 7, 2026, about 1044 mountain daylight time, a Helicopter Transport Services (Sikorsky) CH-54A Skycrane Helitanker, N793HT, was destroyed when it was involved in an accident near Cove Fort, Utah. The pilot and copilot were fatally injured. The…Aug 7, 2026 · N793HT · DestroyedNTSB WPR19WA147Accident · Minor injuriesForeign investigationSikorsky S64 · Mount Eliza, AustraliaOn January 28, 2019, at 1956 local time, a Sikorsky S-64E, N173AC, sustained substantial damage after colliding into a pond near Mount Eliza, Australia. The pilot and two crewmembers were not injured. The investigation is under the jurisdiction of the…Jan 28, 2019 · N173AC · Substantial damageNTSB LAX07TA001Accident · Minor injuriesFinal reportErickson S64E · Ojai, CAThe pilot-in-command's improper remedial action, which resulted in a loss of helicopter control. Contributing factors were the retardant tank and snorkel designs.Oct 1, 2006 · N189AC · Substantial damageNTSB LAX00LA018Accident · 1 fatalLimited investigationFinal reportSikorsky CH-54A · Elko, NVthe flight engineer's decision to climb a step ladder that put him in close proximity to the still turning main rotor blades. The gusting wind was a factor in the accident.Oct 16, 1999 · N9125M · No damageNTSB MIA71FKD01Accident · No injuriesClosedSikorsky S-64E · Union City, TNJul 3, 1970 · N6962R · Substantial 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 ('51502')
  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 20260807010199AHelicopter Transport SVC CH-54A · Richfield, UTDuring part 133 firefighting flight. [privacy data omitted] Arrived from the northwest flying over the targeted drop zone. While maneuvering in a right turn the Helicopter impacted rising terrain. [privacy data omitted] Was destroyed and the pilot and…Aug 7, 2026 · N793HT · Destroyed · 2 fatalIncident 20200509010389ISikorsky S-64E · Mcleod, ORDuring sea snorkeling operations at lost creek lake, the pilot in command was distracted by an abnormal indication on the water quantity instrument located in the cockpit. He lost situational awareness and allowed the landing gear of the SK-64 helicopter to…May 9, 2020 · N172AC · No damageAccident 20061001019979ASkrsky S64E · CA(-23) On Sunday October 1st 2006, an exclusive use erickson air-crane S-64 helicopter, N189AC, operated by erickson air-crane of central point, Oregon, had just drafted the last 200 gallons of retardant from a portable retardant tank. The pilot then…Oct 1, 2006 · N189AC · Substantial damageIncident 20020714034489ISkrsky S64E · Bishop, CA(-23) The safecom report was generated by the U.S. Forest service and conveyed that a model 64E helicopter, N189AC, was engaged in water drops on the Piper fire south of Bishop, California. The pilot, in his safecom report, indicated that he was using the…Jul 14, 2002 · N189AC · Substantial damageIncident 20020207002059ISkrsky S64E · Applegate, OR(-23) This aircraft was engaged in logging operations, by erickson air crane, inc., E8KL, near Applegate lake in southwest Oregon. The PIC made a precautionary landing when he sensed something was not quite right with the aircraft. A post flight inspection by…Feb 7, 2002 · N173ACAccident 19991016029129ASkrsky CH54A · Elko, NV(.19) On October 16, 1999, at 1410 hours pacific daylight time, a Sikorsky CH-54A, N9125M, was shutting down at Elko, Nevada, when a crewmember was struck by a rotor blade. The aircraft was not damaged nor was the airline transport-rated pilot or his copilot…Oct 16, 1999 · N9125M · 1 fatal
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 ('51502')
  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 · 108

See all 108 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 = 'JFTD12A4A'
  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.