Single-engine piston

N400AG

2026 Homebuilt Whisper Acft X350G2

Registered No accidents on file
Built
2026
Serial
WA24042
Class
Single-engine piston
Engines
Ulpower 520IS
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
—
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Registration record

N400AG on the FAA register

Type
2026 Homebuilt Whisper Acft X350G2
Serial
WA24042
Engines
Ulpower 520IS
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Certificate issued
2025-08-21
Airworthiness date
2026-09-01
Registration expires
2032-08-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A4ACA8
Mode S (octal)
51126250
Seats (type)
2
Weight class
up to 12,499 lb
Kit
Whisper Aircraft X350 GEN II
Status
Current as of October 2026
Registry history

Timeline

  • 2032-08-31
    Registration expires (renewal due).
  • 2026-09-01
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2025-08-21
    Certificate of registration issued as N400AG to the current registrant.
  • 2018-03-13
    N400AG previously assigned to a Homebuilt Kolb Twinstar (s/n TS-0094); cancelled.
Overview

About N400AG

N400AG is a 2026 Homebuilt Whisper Acft X350G2, serial number WA24042. It is registered to an individual. The current certificate of registration was issued on August 21, 2025 and expires on August 31, 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 September 1, 2026.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N400AG.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N400AG.

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

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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.