Single-engine piston

N51ST

1981 Pitts S-2A

Registered No accidents on file
Built
1981
Serial
2253
Class
Single-engine piston
Engines
Lycoming AEIO-360 series
Status
Current as of October 2026
Registered owner
Cnc Aerobatics LLC (LLC)
Based
Ada, MI
1981 Pitts S-2A
Representative photo of a Pitts S-2A. Not a photo of N51ST.
Registration record

N51ST on the FAA register

Type
1981 Pitts S-2A
Serial
2253
Engines
Lycoming AEIO-360 series
Registered owner
Cnc Aerobatics LLC
Ada, MI
Certificate issued
2023-06-27
Airworthiness date
1981-09-29
Registration expires
2030-06-30
Airworthiness class
Standard · normal, acrobatic
Mode S (hex)
A660B8
Mode S (octal)
51460270
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-06-30
    Registration expires (renewal due).
  • 2023-06-27
    Certificate of registration issued as N51ST to the current registrant.
  • 2005-03-21
    N51ST previously assigned to a Aerotek PITTS S-2A (s/n 2146); cancelled.
  • 1981-09-29
    Airworthiness date on the current FAA record (standard category (normal, acrobatic)).
Overview

About N51ST

N51ST is a 1981 Pitts S-2A, serial number 2253. The FAA register lists Cnc Aerobatics LLC as the registrant in Ada, Michigan. The current certificate of registration was issued on June 27, 2023 and expires on June 30, 2030.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming AEIO-360 series engine and 2 seats. Its airworthiness certificate is standard category (normal, acrobatic), dated September 29, 1981.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N51ST. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1993-04-28 Incident · Oklahoma City, OK Damage: Minor NTSB · FTW93IA141B
Reported aircraft: Aerotek S-2A — a different aircraft that carried the N51ST registration before this airframe.
Probable cause: THE PILOT OF THE PITTS, N51ST, MISUNDERSTANDING OF THE TOWER'S INSTRUCTIONS AND CLEARANCE, AND HIS FAILURE TO SEE AND AVOID THE COMMANDER 114B, N194A.

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 Michigan· 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.