# N437TH: Sikorsky UH-60L

- Status: Valid registration
- Airframe: [Sikorsky UH-60L](https://openairdocs.org/model/sikorsky-uh-60l) (registry code 8141835, 18 seats)
- Data sheets: [TCDS R00116LA](https://openairdocs.org/tcds/R00116LA) (Air Resources Helicopters Inc.) (OpenAirDocs)
- Serial number: 85-24437
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Certificate issued: June 8, 2026
- Expires: June 30, 2033
- Mode S code: A53ED0
- Registered owner: [Timberline Helicopters Inc](https://openairdocs.org/faa-owner/TIMBERLINE%20HELICOPTERS%20INC)
- Location: [Sandpoint, ID](https://openairdocs.org/faa-place/ID/Sandpoint)
- Owner type: Corporation
- Owner's area on the map: 48.4349° N, 116.5043° W: Placed by OpenAirDocs at the center of ZIP code 83864, within about 11 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=437TH
- Page: https://openairdocs.org/aircraft/N437TH

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 (Sikorsky UH-60L)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N437TH.

## FAA accident and incident reports

None matched to N437TH.

## 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) (6)

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-60L)

- [STC SR02753LA](https://openairdocs.org/stc/SR02753LA): Installation of an engine Inlet Barrier Filter (IBF). Aerometals Inc
- [STC SR02650SE](https://openairdocs.org/stc/SR02650SE): Installation of Station 34.5 Beam Modification. Timberline Aerospace LLC
- [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 SR02794LA](https://openairdocs.org/stc/SR02794LA): Installation of Ballast Box. Aerocraft Incorporated

## Earlier aircraft with N437TH

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N437TH before.

- [Cancelled 2012-02-08](https://openairdocs.org/deregistered/N437TH-2012-02-08): British Aerospace JETSTREAM 3102, S/N 667. Owner: [Southern Aircraft Consultancy Inc Trustee](https://openairdocs.org/faa-owner/SOUTHERN%20AIRCRAFT%20CONSULTANCY%20INC%20TRUSTEE), Norfolk

## Related

- Other Sikorsky UH-60L aircraft: https://openairdocs.org/model/sikorsky-uh-60l/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.