Single-engine piston

N540X

2011 Homebuilt Knife Edge

Registered No accidents on file
Built
2011
Serial
001
Class
Single-engine piston
Engines
Lycoming IO-540-C4B5
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Marseilles, IL
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Registration record

N540X on the FAA register

Type
2011 Homebuilt Knife Edge
Serial
001
Engines
Lycoming IO-540-C4B5
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Marseilles, IL
Certificate issued
2022-08-03
Airworthiness date
2011-12-21
Registration expires
2029-08-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A6D9F9
Mode S (octal)
51554771
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-08-31
    Registration expires (renewal due).
  • 2022-08-03
    Certificate of registration issued as N540X.
  • 2011-12-21
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N540X

N540X is a 2011 Homebuilt Knife Edge, serial number 001. It is registered to an individual in Marseilles, Illinois. The current certificate of registration was issued on August 3, 2022 and expires on August 31, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming IO-540-C4B5 engine and 1 seats. Its airworthiness certificate is experimental category (amateur-built), dated December 21, 2011.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N540X.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N540X.

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 Illinois· 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.