# N503WY: 1998 H-60 UH-60L

- Status: Valid registration
- Airframe: [H-60 UH-60L](https://openairdocs.org/model/h-60-uh-60l) (registry code 8141843, 17 seats)
- Engine: [GE T700-GE-701D](https://openairdocs.org/engine/ge-t700-ge-701d) (registry code 30155)
- Data sheets: [TCDS R00113SE](https://openairdocs.org/tcds/R00113SE) (H-60 LLC) (OpenAirDocs)
- Serial number: 98-26810
- Year built: 1998
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Experimental, exhibition
- Airworthiness date: April 7, 2026
- Certificate issued: March 5, 2026
- Expires: March 31, 2033
- Mode S code: A64720
- Registered owner: [Weyerhaeuser Nr Company](https://openairdocs.org/faa-owner/WEYERHAEUSER%20NR%20COMPANY)
- Location: [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle)
- Owner type: Corporation
- Owner's area on the map: 47.6005° N, 122.3322° W: Placed by OpenAirDocs at the center of ZIP code 98104, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=503WY
- Page: https://openairdocs.org/aircraft/N503WY

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): 0 in force

### Matched by airframe (H-60 UH-60L)

None in force.

### Matched by engine (GE T700-GE-701D)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N503WY.

## FAA accident and incident reports

None matched to N503WY.

## 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) (16)

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 (H-60 UH-60L)

- [STC SR02753LA](https://openairdocs.org/stc/SR02753LA): Installation of an engine Inlet Barrier Filter (IBF). Aerometals Inc
- [STC SR02597SE](https://openairdocs.org/stc/SR02597SE): Installation of Purge Fuel Collector System. Timberline Aerospace LLC
- [STC SR02650SE](https://openairdocs.org/stc/SR02650SE): Installation of Station 34.5 Beam Modification. Timberline Aerospace LLC
- [STC SR12058AK](https://openairdocs.org/stc/SR12058AK): Installation of Recoil Aerospace, Inc. T750-I Internal Fire Suppression Tank. Recoil Aerospace Inc
- [STC SR12471AT](https://openairdocs.org/stc/SR12471AT): Installation of RMCI Health Useage and Monitoring System (HUMS). RMCI Inc
- [STC SR00903DE](https://openairdocs.org/stc/SR00903DE): Installation of Left and Right, Hand Hold, Step and Step Fairing modification. Blackhawk Mission Equipment
- [STC SR12380LA](https://openairdocs.org/stc/SR12380LA): Installation of Aerocraft's External Load Mount Kit (ARC-H60ELM). Aerocraft Incorporated
- [STC SR04461CH](https://openairdocs.org/stc/SR04461CH): Installation of a Helitak FT4500 Black Hawk Fire Tank Liquid Dispensing System. Helitak USA, LLC
- [STC SR02767LA](https://openairdocs.org/stc/SR02767LA): Installation of H-60 Electric APU Starter Modification to replace the original equipment hydraulic APU starter system on Restricted Category H-60 Firefighting and Utility Helicopters. Aerocraft Inc
- [STC SR02764LA](https://openairdocs.org/stc/SR02764LA): Installation of lift kit. Aerocraft Incorporated
- [STC SR02544LA](https://openairdocs.org/stc/SR02544LA): Installation of a left side bubble window and a modified left side main landing gear fairing. Aerocraft Incorporated
- [STC SR02744SE](https://openairdocs.org/stc/SR02744SE): Installation of BLR FastFin System. BLR Aerosapce LLC
- [STC SR00919DE](https://openairdocs.org/stc/SR00919DE): Installation of Left and Right Pulse Light. Blackhawk Mission Equipment
- [STC SR02584AK](https://openairdocs.org/stc/SR02584AK): Installation of Recoil Aerospace, Inc. T1000-E or T650-E Fire Suppression Tank. Recoil Aerospace Inc
- [STC SR02688SE](https://openairdocs.org/stc/SR02688SE): Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc
- [STC SR00896DE](https://openairdocs.org/stc/SR00896DE) (historical): The installation of a bubble window with view port as a direct replacement for the existing window in the left hand side Cockpit door. Blackhawk Mission Equipment

## Related

- Other H-60 UH-60L aircraft: https://openairdocs.org/model/h-60-uh-60l/aircraft.md
- The GE T700-GE-701D engine: https://openairdocs.org/engine/ge-t700-ge-701d.md

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