Single-engine piston

N11XS

Homebuilt Kolb TWNSTR Mark III

Registered No accidents on file
Built
—
Serial
M3-231
Class
Single-engine piston
Engines
Bombardier ROTAX (ALL)
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Elko, NV
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Registration record

N11XS on the FAA register

Type
Homebuilt Kolb TWNSTR Mark III
Serial
M3-231
Engines
Bombardier ROTAX (ALL)
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Elko, NV
Certificate issued
2026-04-25
Airworthiness date
1997-04-24
Registration expires
2033-04-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A02BF8
Mode S (octal)
50025770
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2033-04-30
    Registration expires (renewal due).
  • 2026-04-25
    Certificate of registration issued as N11XS to the current registrant.
  • 1997-04-24
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N11XS

N11XS is a Homebuilt Kolb TWNSTR Mark III, serial number M3-231. It is registered to an individual in Elko, Nevada. The current certificate of registration was issued on April 25, 2026 and expires on April 30, 2033.

The FAA aircraft reference file describes the type as a single-engine piston, one Bombardier ROTAX (ALL) engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated April 24, 1997.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N11XS.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N11XS.

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 Nevada· 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.