Single-engine piston

N398WH

2025 Homebuilt Whisper X 350

Registered No accidents on file
Built
2025
Serial
001
Class
Single-engine piston
Engines
Ulpower 520IS
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Taylorsville, UT
Registration record

N398WH on the FAA register

Type
2025 Homebuilt Whisper X 350
Serial
001
Engines
Ulpower 520IS
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Taylorsville, UT
Certificate issued
2025-04-26
Airworthiness date
2026-08-10
Registration expires
2032-04-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A4A27D
Mode S (octal)
51121175
Seats (type)
2
Weight class
up to 12,499 lb
Kit
Whisper Aircraft WHISPER X 350
Status
Current as of October 2026
Registry history

Timeline

  • 2032-04-30
    Registration expires (renewal due).
  • 2026-08-10
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2025-04-26
    Certificate of registration issued as N398WH.
Overview

About N398WH

N398WH is a 2025 Homebuilt Whisper X 350, serial number 001. It is registered to an individual in Taylorsville, Utah. The current certificate of registration was issued on April 26, 2025 and expires on April 30, 2032.

The FAA aircraft reference file describes the type as a single-engine piston, one Ulpower 520IS engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated August 10, 2026.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N398WH.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N398WH.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

Same state

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Browse: Aircraft registered in Utah· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.