Single-engine piston

N4SQ

1984 Homebuilt PITTS S-1S

Registered No accidents on file
Built
1984
Serial
524620912
Class
Single-engine piston
Engines
Lycoming O-360-A1D
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Moore, OK
Registration record

N4SQ on the FAA register

Type
1984 Homebuilt PITTS S-1S
Serial
524620912
Engines
Lycoming O-360-A1D
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Moore, OK
Certificate issued
2024-07-11
Airworthiness date
1984-06-05
Registration expires
2031-07-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A4A98E
Mode S (octal)
51124616
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2031-07-31
    Registration expires (renewal due).
  • 2024-07-11
    Certificate of registration issued as N4SQ to the current registrant.
  • 2013-03-01
    N4SQ previously assigned to a IAI 1124A (s/n 307); cancelled.
  • 2000-07-27
    N4SQ previously assigned to a Piper Seneca II (s/n 34-7870351); cancelled.
  • 1984-06-05
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N4SQ

N4SQ is a 1984 Homebuilt PITTS S-1S, serial number 524620912. It is registered to an individual in Moore, Oklahoma. The current certificate of registration was issued on July 11, 2024 and expires on July 31, 2031.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming O-360-A1D engine and 1 seats. Its airworthiness certificate is experimental category (amateur-built), dated June 5, 1984.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N4SQ.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N4SQ.

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.