Single-engine piston

N40121

1990 Classic Aircraft Waco Ymf

Registered No accidents on file
Built
1990
Serial
F5029
Class
Single-engine piston
Engines
Jacobs R755B series
Status
Current as of October 2026
Registered owner
Freebird Flight Service LLC (LLC)
Based
Lancaster, SC
Registration record

N40121 on the FAA register

Type
1990 Classic Aircraft Waco Ymf
Serial
F5029
Engines
Jacobs R755B series
Registered owner
Freebird Flight Service LLC
Lancaster, SC
Certificate issued
2023-10-17
Airworthiness date
1991-04-16
Registration expires
2030-10-31
Airworthiness class
Standard · normal
Mode S (hex)
A4B310
Mode S (octal)
51131420
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-10-31
    Registration expires (renewal due).
  • 2023-10-17
    Certificate of registration issued as N40121 to the current registrant.
  • 1991-04-16
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1990
    Manufactured (1990).
  • 1988-06-06
    N40121 previously assigned to a Ayres S2R-T34 (s/n 6049); cancelled.
  • 1972-11-15
    N40121 previously assigned to a Stinson 108-1 (s/n 108-51); cancelled.
Overview

About N40121

N40121 is a 1990 Classic Aircraft Waco Ymf, serial number F5029. The FAA register lists Freebird Flight Service LLC as the registrant in Lancaster, South Carolina. The current certificate of registration was issued on October 17, 2023 and expires on October 31, 2030.

The FAA aircraft reference file describes the type as a single-engine piston, one Jacobs R755B series engine and 2 seats. Its airworthiness certificate is standard category (normal), dated April 16, 1991.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N40121. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1971-08-26 Accident · Willow,Alas, 02 Damage: Substantial NTSB · 3 4563
Reported aircraft: Stinson 108 — a different aircraft that carried the N40121 registration before this airframe.

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.