# N955TC: Sikorsky UH-19D - Status: Valid registration - Airframe: [Sikorsky UH-19D](https://openairdocs.org/model/sikorsky-uh-19d) (registry code 814161G, 12 seats) - Data sheets: [TCDS HR1SO](https://openairdocs.org/tcds/HR1SO) (Orlando Helicopter Airways Inc.) (OpenAirDocs) - Serial number: 57-5961 - Type: Rotorcraft - Engine type: Reciprocating - Airworthiness: Restricted, agriculture and pest control, forest, other, aerial surveying, patrolling, aerial advertising, weather control - Airworthiness date: February 4, 1982 - Certificate issued: October 7, 2021 - Expires: October 31, 2028 - Mode S code: AD48E6 - 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=955TC - Page: https://openairdocs.org/aircraft/N955TC 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. ## ADs that may apply (OpenAirDocs): 1 in force ### Matched by airframe (Sikorsky UH-19D) - [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 ## Information bulletins (advisory) None matched. ## NTSB investigations (1) 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 WPR19LA168](https://openairdocs.org/ntsb/WPR19LA168), May 29, 2019: Sikorsky UH19 (N955TC), Brewster, WA, substantial damage. Probable cause: A reported mechanical malfunction and a hard landing for reasons that could not be determined based on available evidence. ## FAA accident and incident reports (1) 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 20190528005319A](https://openairdocs.org/incident/20190528005319A), May 28, 2019: Sikorsky UH-19D (N955TC), Brewster, WA, Substantial damage. PIC was evaluating applicant pilot for hire in this type aircraft for cherry drying flying. Applicant was at controls, rotor system lost power, aircraft had an… ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## STCs that may be installed (OpenAirDocs) (8) 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 UH-19D) - [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 ## Related - Other Sikorsky UH-19D aircraft: https://openairdocs.org/model/sikorsky-uh-19d/aircraft.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.