N398WH
2025 Hammond Alan WHISPER X 350
Fixed-wing, single engine · serial 001
Valid registration
Registered with the FAA until Apr 30, 2032.
Registered owner
Hammond Alan
- Owner type
- Individual
- Location
- Taylorsville, UT
Registered to an individual. The FAA lists people last name first. We show the city and state only; the full mailing address is in the FAA's own record.
Aircraft
- Make and model
- Hammond Alan WHISPER X 350
- Kit
- Whisper Aircraft WHISPER X 350
- Year built
- 2025
- Serial number
- 001
- Type
- Fixed-wing, single engine · Land
- Engines
- 1 × Piston · Ulpower 520IS · 180 hp
- Seats
- 2
- Weight class
- Up to 12,499 lb
- Certification
- Amateur-built or kit (not type certificated) · Experimental airworthiness (issued Aug 10, 2026)
- Mode S code
- A4A27D (the transponder's ICAO address, used by ADS-B flight trackers)
- Registered since
- Apr 26, 2025 · last FAA action Apr 26, 2025