# N16YL: Sikorsky UH-34D

- Status: Valid registration
- Airframe: [Sikorsky UH-34D](https://openairdocs.org/model/sikorsky-uh-34d) (registry code 8141818, 14 seats)
- Data sheets: [TCDS H4SO](https://openairdocs.org/tcds/H4SO) (Orlando Helicopter Airways Inc.) (OpenAirDocs)
- Serial number: 149326
- Type: Rotorcraft
- Engine type: Reciprocating
- Certificate issued: February 5, 2007
- Expires: July 31, 2029
- Mode S code: A0F186
- Registered owner: [Cochran David](https://openairdocs.org/faa-owner/COCHRAN%20DAVID)
- Location: [Richmond, KS](https://openairdocs.org/faa-place/KS/Richmond)
- Owner type: Individual
- Owner's area on the map: 38.4128° N, 95.2549° W: Placed by OpenAirDocs at the center of ZIP code 66080, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=16YL
- Page: https://openairdocs.org/aircraft/N16YL

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-34D)

- [AD 95-26-09](https://openairdocs.org/ad/95-26-09): Main Rotor Shaft · Consolidated Air Crane CH34A, CH34C, HSS-1N/UH-34J and 12 more. Effective Jan 4, 1996

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N16YL.

## FAA accident and incident reports

None matched to N16YL.

## 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) (4)

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-34D)

- [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 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

## Related

- Other Sikorsky UH-34D aircraft: https://openairdocs.org/model/sikorsky-uh-34d/aircraft.md

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