Single-engine piston

N399M

1990 Homebuilt RV 4

Registered No accidents on file
Built
1990
Serial
999
Class
Single-engine piston
Engines
Lycoming IO-360 series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Kingsville, TX
Registration record

N399M on the FAA register

Type
1990 Homebuilt RV 4
Serial
999
Engines
Lycoming IO-360 series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Kingsville, TX
Certificate issued
2020-01-23
Airworthiness date
2020-02-05
Registration expires
2030-01-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A4A54B
Mode S (octal)
51122513
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-01-31
    Registration expires (renewal due).
  • 2020-02-05
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2020-01-23
    Certificate of registration issued as N399M to the current registrant.
  • 2012-11-14
    N399M previously assigned to a Homebuilt Osprey 1 (s/n 44JM); cancelled.
  • 1990
    Manufactured (1990).
Overview

About N399M

N399M is a 1990 Homebuilt RV 4, serial number 999. It is registered to an individual in Kingsville, Texas. The current certificate of registration was issued on January 23, 2020 and expires on January 31, 2030.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming IO-360 series engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated February 5, 2020.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N399M.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N399M.

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

Same state

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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.