Single-engine piston

N221TM

1997 Homebuilt RV-4

Registered No accidents on file
Built
1997
Serial
3974
Class
Single-engine piston
Engines
Lycoming O-360-A1A
Status
Current as of October 2026
Registered owner
Taildragons LLC (LLC)
Based
Albuquerque, NM
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Registration record

N221TM on the FAA register

Type
1997 Homebuilt RV-4
Serial
3974
Engines
Lycoming O-360-A1A
Registered owner
Taildragons LLC
Albuquerque, NM
Certificate issued
2015-09-01
Airworthiness date
2021-03-25
Registration expires
2028-09-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A1E66D
Mode S (octal)
50363155
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-09-30
    Registration expires (renewal due).
  • 2021-03-25
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2015-09-01
    Certificate of registration issued as N221TM.
  • 1997
    Manufactured (1997).
Overview

About N221TM

N221TM is a 1997 Homebuilt RV-4, serial number 3974. The FAA register lists Taildragons LLC as the registrant in Albuquerque, New Mexico. The current certificate of registration was issued on September 1, 2015 and expires on September 30, 2028.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming O-360-A1A engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated March 25, 2021.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N221TM.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N221TM.

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

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Browse: Aircraft registered in New Mexico· 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.