Single-engine piston

N645SX

2018 Homebuilt Sonex

Registered No accidents on file
Built
2018
Serial
645
Class
Single-engine piston
Engines
Aerovee 2180
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Quincy, IN
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Registration record

N645SX on the FAA register

Type
2018 Homebuilt Sonex
Serial
645
Engines
Aerovee 2180
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Quincy, IN
Certificate issued
2020-10-02
Airworthiness date
2018-05-17
Registration expires
2027-10-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A87974
Mode S (octal)
52074564
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-10-31
    Registration expires (renewal due).
  • 2020-10-02
    Certificate of registration issued as N645SX.
  • 2018-05-17
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N645SX

N645SX is a 2018 Homebuilt Sonex, serial number 645. It is registered to an individual in Quincy, Indiana. The current certificate of registration was issued on October 2, 2020 and expires on October 31, 2027.

The FAA aircraft reference file describes the type as a single-engine piston, one Aerovee 2180 engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated May 17, 2018.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N645SX.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N645SX.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

Same state

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Browse: Aircraft registered in Indiana· 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.