# N94475: 1952 Sikorsky CH-19E - Status: Valid registration - Airframe: [Sikorsky CH-19E](https://openairdocs.org/model/sikorsky-ch-19e) (registry code 8141616, 12 seats) - Engine: [Wright C7BA series](https://openairdocs.org/engine/wright-c7ba-series) (registry code 67017) - Data sheets: [TCDS HR1SO](https://openairdocs.org/tcds/HR1SO) (Orlando Helicopter Airways Inc.) (OpenAirDocs) - Serial number: 130141 - Year built: 1952 - Type: Rotorcraft - Engine type: Reciprocating - Airworthiness: Restricted, agriculture and pest control, forest, other - Airworthiness date: May 2, 1974 - Certificate issued: October 7, 2021 - Expires: October 31, 2028 - Mode S code: AD1F6F - Registered owner: [Sierra Aeronautics LLC](https://openairdocs.org/faa-owner/SIERRA%20AERONAUTICS%20LLC) - Location: [Franklin, KY](https://openairdocs.org/faa-place/KY/Franklin) - Owner type: LLC - Owner's area on the map: 36.7254° N, 86.5646° W: Placed by OpenAirDocs at the center of ZIP code 42134, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=94475 - Page: https://openairdocs.org/aircraft/N94475 From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Wright C7BA model are included. ## ADs that may apply (OpenAirDocs): 1 in force ### Matched by airframe (Sikorsky CH-19E) - [AD 75-04-02](https://openairdocs.org/ad/75-04-02): Main Rotor Spindles · Orlando Helicopter Airways CH-19E, H-19A, H-19D and 8 more. Effective Feb 19, 1975 ### Matched by engine (Wright C7BA series) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations (3) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB SEA02FA091](https://openairdocs.org/ntsb/SEA02FA091), May 30, 2002: Sikorsky CH-19E (N94475), Plains, MT, substantial damage. Probable cause: Power loss for undetermined reasons. - [NTSB CHI80DEP42](https://openairdocs.org/ntsb/CHI80DEP42), Aug 3, 1980: Sikorsky CH-19E (N94475), Plover, WI, substantial damage - [NTSB MIA76FLD16](https://openairdocs.org/ntsb/MIA76FLD16), Sep 10, 1975: Sikorsky CH19E (N94475), Cosme, FL, destroyed ## FAA accident and incident reports (3) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 20020530012149A](https://openairdocs.org/incident/20020530012149A), May 30, 2002: Orlhel CH19ESKRSKY (N94475), Plains, MT, No damage. (-23) On may 30, 2002, at 1730 MDT, a Sikorsky CH-19E owned and operated by tri-corp, a FAR 133 external load operator (tcol) lost power while performing… - [Accident 19800803033079A](https://openairdocs.org/incident/19800803033079A), Aug 3, 1980: Orlhel CH19ESKRSKY (N94475), Plover, WI, Substantial damage. Helicopter crashed when pilot attempted emergency landing. - [Accident 19750910041289A](https://openairdocs.org/incident/19750910041289A), Sep 10, 1975: Orlhel CH19ESKRSKY (N94475), Cosme, FL, Substantial damage. Main rotor blade struck spray boom. Cause of blade flapping dwn was not dtmnd. ## Service difficulty reports (1) As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR UM92002F00000](https://openairdocs.org/sdr/UM92002F00000), Apr 25, 2002: LEVER. CRACKED. DURING A PREFLIGHT INSPECTION IT WAS NOTED THAT THE LEFT CYCLIC INPUT LEVER ATTACHED TO THE MAIN TRANSMISSION WAS CRACKED. PART WAS REMOVED FROM SERVICE PROBABL ## STCs that may be installed (OpenAirDocs) (9) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Sikorsky CH-19E) - [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 SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC - [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies - [STC SA01406NY](https://openairdocs.org/stc/SA01406NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and rotary wing. Airwolf Filter Corporation - [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 - [STC SH1599SO](https://openairdocs.org/stc/SH1599SO): Removal of main transmission oil cooler blower and associated parts. Orlando Heli Airways Inc ## Related - Other Sikorsky CH-19E aircraft: https://openairdocs.org/model/sikorsky-ch-19e/aircraft.md - The Wright C7BA series engine: https://openairdocs.org/engine/wright-c7ba-series.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.