# N444PB: 1957 Helio H-391B, registration cancelled 2018-08-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 14, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Helio H-391B](https://openairdocs.org/model/helio-h-391b) (registry code 4300106)
- Engine: [Lycoming GO-435](https://openairdocs.org/engine/lycoming-go-435) (registry code 41520)
- Data sheets: [TCDS 1A8](https://openairdocs.org/tcds/1A8), [TCDS E-228](https://openairdocs.org/tcds/E-228) (OpenAirDocs)
- Serial number: 056
- Year built: 1957
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: July 1, 1999
- Certificate issued: March 30, 2015
- Last registry action: March 30, 2015
- Mode S code: A55AC0
- Owners when cancelled: [Hupe Jim L](https://openairdocs.org/faa-owner/HUPE%20JIM%20L), [Trott Stephen J](https://openairdocs.org/faa-owner/TROTT%20STEPHEN%20J)
- Location: [Salem, OR](https://openairdocs.org/faa-place/OR/Salem)
- Owner type: Co-owned
- Owner's area on the map: 44.8426° N, 123.0937° W: Placed by OpenAirDocs at the center of ZIP code 97306, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N444PB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=444PB
- Page: https://openairdocs.org/deregistered/N444PB-2018-08-14

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Helio H-391B: https://openairdocs.org/model/helio-h-391b.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.
