Single-engine piston

N4273Y

2007 Aero Sp Z O O AT-4 Lsa

Registered No accidents on file
Built
2007
Serial
AT4-012
Class
Single-engine piston
Engines
Rotax 912ULS series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Lake Havasu City, AZ
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Registration record

N4273Y on the FAA register

Type
2007 Aero Sp Z O O AT-4 Lsa
Serial
AT4-012
Engines
Rotax 912ULS series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Lake Havasu City, AZ
Certificate issued
2025-12-10
Airworthiness date
2008-05-09
Registration expires
2032-12-31
Airworthiness class
Light sport · airplane
Mode S (hex)
A51878
Mode S (octal)
51214170
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2032-12-31
    Registration expires (renewal due).
  • 2025-12-10
    Certificate of registration issued as N4273Y to the current registrant.
  • 2008-05-09
    Airworthiness date on the current FAA record (light sport category (airplane)).
  • 2007
    Manufactured (2007).
  • 2003-12-23
    N4273Y previously assigned to a Raven S55A (s/n S55A-982); cancelled.
Overview

About N4273Y

N4273Y is a 2007 Aero Sp Z O O AT-4 Lsa, serial number AT4-012. It is registered to an individual in Lake Havasu City, Arizona. The current certificate of registration was issued on December 10, 2025 and expires on December 31, 2032.

The FAA aircraft reference file describes the type as a single-engine piston, one Rotax 912ULS series engine and 2 seats. Its airworthiness certificate is light sport category (airplane), dated May 9, 2008.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N4273Y. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1996-07-05 Accident · Gunnison, CO Serious injury NTSB · FTW96LA292
Reported aircraft: Raven S55A — a different aircraft that carried the N4273Y registration before this airframe.
Probable cause: The pilot's improper planning/decision. The weather condition (sudden high wind) was a related factor.

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 Arizona· 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.