Single-engine piston

N1NN

1981 Homebuilt Stephens Super Acro

Registered No accidents on file
Built
1981
Serial
001
Class
Single-engine piston
Engines
Lycoming I0360 series
Status
Current as of October 2026
Registered owner
Worlds Greatest Aircraft Collection Inc (Corporation)
Based
Polk City, FL
Registration record

N1NN on the FAA register

Type
1981 Homebuilt Stephens Super Acro
Serial
001
Engines
Lycoming I0360 series
Registered owner
Worlds Greatest Aircraft Collection Inc
Polk City, FL
Certificate issued
1982-04-16
Airworthiness date
1981-07-13
Registration expires
2030-03-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A0013B
Mode S (octal)
50000473
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-03-31
    Registration expires (renewal due).
  • 1982-04-16
    Certificate of registration issued as N1NN to the current registrant.
  • 1981-07-13
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1978-12-28
    N1NN previously assigned to a Aerotek PITTS Special S-1S (s/n 10004); cancelled.
Overview

About N1NN

N1NN is a 1981 Homebuilt Stephens Super Acro, serial number 001. The FAA register lists Worlds Greatest Aircraft Collection Inc as the registrant in Polk City, Florida. The current certificate of registration was issued on April 16, 1982 and expires on March 31, 2030.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming I0360 series engine and 1 seats. Its airworthiness certificate is experimental category (amateur-built), dated July 13, 1981.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N1NN. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1975-05-25 Accident · Clarksdale,Ms, 24 Damage: Minor NTSB · 3 1196
Reported aircraft: Pitts S1S — a different aircraft that carried the N1NN registration before this airframe.
Probable cause: N RWY.COLLIDED WITH N44NN ABT 15FT AGL.

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 Florida· 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.