Sikorsky S-64
16 on the U.S. register across 2 versions the FAA records separately. Built from 1962 to 1993; half of them date from 1968 or earlier. Georgia has the most (15). 100% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.
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About the S-64 from the FAA's model table
- Type
- Rotorcraft · Helicopters
- Power
- Turboshaft, 2 engines
- Common engines
- P & W Jftd12A Ser (9), P & W Jftd12A-4A (5), P & W Jftd12A-5A (2)
- Fuel
- Jet A
- Seats
- 3
- Cruise speed
- about 81 mph
- Built of
- aluminium
- Maker on the register
- Sikorsky
- Registered
- earliest certificate January 26, 2011; newest August 13, 2026
Who owns them registrant type
By owner type, as a table
| aircraft | share | |
|---|---|---|
| LLC | 15 | 94% |
| Non-citizen corporation | 1 | 6% |
Versions as the FAA records them · click one to list only those aircraft
Registration status
By status, as a table
| aircraft | share | |
|---|---|---|
| Valid | 15 | 94% |
| Renewal notice sent | 1 | 6% |
Airworthiness certificate class
Biggest operators companies, schools and clubs
Largest fleets, as a table
| aircraft | |
|---|---|
| Helicopter Express LLC | 13 |
| Siller Helicopters LLC | 2 |
| U S Leaseco INC | 1 |
Fleet pages: Helicopter Express LLC · Siller Helicopters LLC · U S Leaseco INC
Accident history NTSB records · 8 cases since 1982, 2 fatal
The 8 most recent of 8 cases where the NTSB's make and model match this family's versions. Each aircraft's own page also shows its record. How this model compares with others, with the fleet taken into account: Accidents by model in Aviation Analytics.
Questions people ask answers refresh every morning
How many Sikorsky S-64 aircraft are registered in the U.S.?
16 as of November 6, 2026, counting 2 versions the FAA records separately.
Which state has the most Sikorsky S-64s?
Georgia, with 15.
Who owns the Sikorsky S-64?
100% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.
When were the Sikorsky S-64s on the register built?
Between 1962 and 1993; half of them in 1968 or earlier.
How many Sikorsky S-64 accidents has the NTSB recorded?
8 accidents and incidents since 1982, 2 of them fatal. A model flown more shows more; the accident analytics compare models per thousand registered.
What is the Sikorsky S-64 made of?
The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The FAA's type certificate data sheet is the authority for any one model.
What the FAA has certified, ordered and been told about the Sikorsky S-64 the component layer
The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The FAA has issued 1 airworthiness directive (orders that owners must comply with) that name this model, most of them about heating, ice protection and utility systems. Operators and repair shops have filed 227 failure reports with the FAA since 1995, 49 of them in the last ten years: about 38.3 a year for every 100 aircraft on the register; the system most often named is rotorcraft systems. 16 approved modifications exist for it, the most by Erickson Air Crane INC. DBA Erickson Air-Crane.
FAA orders 1 airworthiness directives · newest first
By system
Orders by system, as a table
| orders | share | |
|---|---|---|
| Heating, ice protection and utility systems | 1 | 100% |
Failure reports 227 since 1995 · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 95 | 3 |
| 96 | 16 |
| 97 | 14 |
| 98 | 7 |
| 99 | 6 |
| 00 | 12 |
| 01 | 18 |
| 02 | 4 |
| 03 | 30 |
| 04 | 24 |
| 05 | 13 |
| 06 | 11 |
| 08 | 4 |
| 10 | 2 |
| 11 | 2 |
| 13 | 6 |
| 14 | 1 |
| 15 | 3 |
| 16 | 2 |
| 17 | 17 |
| 18 | 5 |
| 19 | 3 |
| 20 | 7 |
| 21 | 4 |
| 22 | 8 |
| 23 | 4 |
| 26 | 1 |
By system
Failure reports by system, as a table
| reports | share | |
|---|---|---|
| Rotorcraft systems | 124 | 55% |
| Engine | 82 | 36% |
| Airframe structure | 8 | 4% |
| Landing gear | 6 | 3% |
| Fuel system | 3 | 1% |
| Heating, ice protection and utility systems | 3 | 1% |
| Electrical power | 1 | 0.4% |
Parts most often reported as the reports name them
Parts most reported, as a table
| reports | |
|---|---|
| Blade | 33 |
| Housing | 13 |
| Bearing | 9 |
| Engine | 9 |
| Bolt | 8 |
| Compressor Wheel | 7 |
| Main Shaft | 7 |
| Strap | 7 |
| Tablock | 7 |
| Turbine Blades | 7 |
Latest reports
Approved replacement parts 447 parts manufacturer approvals
Parts a company other than the maker may make for this design and sell as FAA-approved. The companies holding the most:
Most often: bolt (108), washer (24), bearing (21), nut (20), shim (17), packing preformed (11), bushing (11), pin (10), rod end (9), spacer (8).
Approved modifications 16 supplemental type certificates
Changes the FAA has approved for this design, from new avionics and engines to floats and parachutes. The companies holding the most:
Latest
Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.
Connections how the S-64 links to the rest of the register
- Sikorsky 827 aircraft on the register
- Sikorsky S-64E 11 registered
- Sikorsky S-64F 5 registered
- Type certificate H6EA · held by Erickson INC DBA Erickson Air-Crane
- Built of aluminium
- Pratt & Whitney JFTD12A series 9 of these aircraft · 4500 hp
- Pratt & Whitney JFTD12A-4A 5 of these aircraft · 4500 hp
- Pratt & Whitney JFTD12A-5A 2 of these aircraft · 4800 hp
- Helicopter Express LLC 13 of these aircraft
- Siller Helicopters LLC 2 of these aircraft
- U S Leaseco INC 1 of these aircraft
- NTSB accidents and incidents involving the S-64 8 cases since 1982 · 2 fatal
- FAA orders naming the S-64 1 airworthiness directives
- Failure reports filed on the S-64 227 reports since 1995
- Approved modifications for the S-64 16 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/model/sikorsky/s-64.json.
Aircraft newest certificates first · 16
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N179AC | Sikorsky S-64F |
Helicopter Express LLC Chamblee, Georgia |
Standard | 2026-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N615HX | Sikorsky S-64E |
Helicopter Express LLC Chamblee, Georgia |
Multiple | 2025-08-16 | ValidFAA registration status code V: Valid registration. All codes |
| N4035S | Sikorsky S-64E |
Siller Helicopters LLC Chamblee, Georgia |
Standard | 2025-04-16 | Renewal notice sentFAA registration status code 25: First notice for registration renewal. All codes |
| N625HX | Sikorsky S-64E |
Helicopter Express LLC Chamblee, Georgia |
Standard | 2024-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N6962R | Sikorsky S-64E |
Helicopter Express LLC Chamblee, Georgia |
Standard | 2024-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N173AC | Sikorsky S-64E |
Helicopter Express LLC Chamblee, Georgia |
Standard | 2024-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N176AC | Sikorsky S-64E |
Helicopter Express LLC Chamblee, Georgia |
Standard | 2024-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N194AC | Sikorsky S-64E |
Helicopter Express LLC Chamblee, Georgia |
Multiple | 2024-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N154AC | Sikorsky S-64E |
Helicopter Express LLC Chamblee, Georgia |
Multiple | 2024-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N172AC | Sikorsky S-64E |
Helicopter Express LLC Chamblee, Georgia |
Multiple | 2023-12-06 | ValidFAA registration status code V: Valid registration. All codes |
| N600HX | Sikorsky S-64F |
Helicopter Express LLC Chamblee, Georgia |
Standard | 2023-12-06 | ValidFAA registration status code V: Valid registration. All codes |
| N159AC | Sikorsky S-64F |
Helicopter Express LLC Chamblee, Georgia |
Standard | 2023-12-05 | ValidFAA registration status code V: Valid registration. All codes |
| N178AC | Sikorsky S-64F |
Helicopter Express LLC Chamblee, Georgia |
Standard | 2023-12-05 | ValidFAA registration status code V: Valid registration. All codes |
| N630HX | Sikorsky S-64F |
Helicopter Express LLC Chamblee, Georgia |
Standard | 2023-12-05 | ValidFAA registration status code V: Valid registration. All codes |
| N6979R | Sikorsky S-64E |
U S Leaseco INC Aurora, Oregon |
Standard | 2018-04-12 | ValidFAA registration status code V: Valid registration. All codes |
| N4037S | Sikorsky S-64E |
Siller Helicopters LLC Chamblee, Georgia |
Standard | 2011-01-26 | ValidFAA registration status code V: Valid registration. All codes |