# Sikorsky S64A

- Type: Aircraft model (FAA registry)
- Registry code: 8142504
- Manufacturer (registry): SIKORSKY
- Model: S64A
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 2 · Turbo-shaft
- Seats: 68
- Weight class: 20,000 lb and over
- Cruise speed: 143 mph
- Certification: Type certificated
- Data sheet: [TCDS H1EA](https://openairdocs.org/tcds/H1EA) (OpenAirDocs)
- Holder: Erickson Air-Crane Incorporated DBA Erickson Air-Crane
- Registered aircraft: 0
- Page: https://openairdocs.org/model/sikorsky-s64a

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023
- [AD 2013-03-10](https://openairdocs.org/ad/2013-03-10): Hardware · Aeronaut Instruction Research Skysailor 105, Skysailor 90, 110C and 439 more. Effective Mar 19, 2013
- [AD 76-06-01](https://openairdocs.org/ad/76-06-01): Hydraulic Pumps · Erickson Air-Crane S-64A, S-64E, S-64F and 12 more. Effective Mar 24, 1976
- [AD 74-16-05](https://openairdocs.org/ad/74-16-05): Main Rotor Head Spindle Lock Nut · Erickson Air-Crane S-64A and S-64E. Effective Dec 12, 1974

Historical (superseded or no longer in force):

- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021

## Registered aircraft

None registered with this model now.

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (2)

As reported by operators and repair stations, by the model named in the report.

- [SDR 97ZZZX4837](https://openairdocs.org/sdr/97ZZZX4837), Nov 5, 1997: STABILIZER RING. CRACKED. STABILIZER RING ATTACHES THE REAR SUPPORT SYSTEM TO THE FREE TURBINE ASSEMBLY. IT IS NOT AN ENGINE MOUNT BUT A DAMPER MOUNT. THIS PART WAS FOUND CRACKED AT ONE 
- [SDR 95ZZZX2154](https://openairdocs.org/sdr/95ZZZX2154), Jan 24, 1995: DISK. PITTED. P AND W SB 1508, REQUIRES ALL ENGINES TO BE COMPLETELY DISASSEMBLED TO CONDUCT A CORROSION INSPECTION EVERY 7 YEARS. SERIOUS CORROSION PITTING FOUND WHEN CONVER

## STCs that may be installed (OpenAirDocs) (5)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc
- [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC
- [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc
- [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Aerostar International S-64A](https://openairdocs.org/model/aerostar-international-s-64a): 0 registered aircraft, registry code 7486064

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