Light jet

N400FS

Homebuilt FJ-4B

Registered No accidents on file
Built
—
Serial
143575
Class
Light jet
Engines
Ama/Expr UNKNOWN ENG
Status
Current as of October 2026
Registered owner
Spitfire Ventures LLC (LLC)
Based
San Antonio, TX
Registration record

N400FS on the FAA register

Type
Homebuilt FJ-4B
Serial
143575
Engines
Ama/Expr UNKNOWN ENG
Registered owner
Spitfire Ventures LLC
San Antonio, TX
Certificate issued
2023-01-29
Airworthiness date
2002-12-22
Registration expires
2030-01-31
Airworthiness class
Experimental · exhibition
Mode S (hex)
A4AD2F
Mode S (octal)
51126457
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-01-31
    Registration expires (renewal due).
  • 2023-01-29
    Certificate of registration issued as N400FS.
  • 2002-12-22
    Airworthiness date on the current FAA record (experimental category (exhibition)).
Overview

About N400FS

N400FS is a Homebuilt FJ-4B, serial number 143575. The FAA register lists Spitfire Ventures LLC as the registrant in San Antonio, Texas. The current certificate of registration was issued on January 29, 2023 and expires on January 31, 2030.

The FAA aircraft reference file describes the type as a light jet, one Ama/Expr UNKNOWN ENG engine and 1 seats. Its airworthiness certificate is experimental category (exhibition), dated December 22, 2002.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N400FS.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N400FS.

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 Texas· 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.