Single-engine piston

N523MH

Homebuilt IISL

Registered No accidents on file
Built
—
Serial
126
Class
Single-engine piston
Engines
Rotax 503 DCDI
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Allenton, MI
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Registration record

N523MH on the FAA register

Type
Homebuilt IISL
Serial
126
Engines
Rotax 503 DCDI
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Allenton, MI
Certificate issued
2024-09-04
Airworthiness date
2007-09-04
Registration expires
2031-09-30
Airworthiness class
Experimental · light-sport
Mode S (hex)
A6952E
Mode S (octal)
51512456
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2031-09-30
    Registration expires (renewal due).
  • 2024-09-04
    Certificate of registration issued as N523MH to the current registrant.
  • 2007-09-04
    Airworthiness date on the current FAA record (experimental category (light-sport)).
  • 1995-03-23
    N523MH previously assigned to a Homebuilt Protech PT-2 (s/n PT1093); cancelled.
Overview

About N523MH

N523MH is a Homebuilt IISL, serial number 126. It is registered to an individual in Allenton, Michigan. The current certificate of registration was issued on September 4, 2024 and expires on September 30, 2031.

The FAA aircraft reference file describes the type as a single-engine piston, one Rotax 503 DCDI engine and 2 seats. Its airworthiness certificate is experimental category (light-sport), dated September 4, 2007.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N523MH. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1992-05-31 Accident · Landrum, SC Damage: Substantial NTSB · ATL92LA114
Reported aircraft: Hopkins, R. And M. Protech PT-2 — a different aircraft that carried the N523MH registration before this airframe.
Probable cause: THE FAILURE OF THE PILOT TO MAINTAIN AIRCRAFT CONTROL DURING THE LANDING ATTEMPT. FACTORS WERE THE INADEQUATE CLIMB CAPABILITY OF THE AIRCRAFT AND THE PILOT'S LACK OF FAMILIARITY WITH THE AIRCRAFT.

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.