Single-engine piston

N857SX

2016 Homebuilt Sonex

Registered No accidents on file
Built
2016
Serial
857
Class
Single-engine piston
Engines
Ama/Expr UNKNOWN ENG
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Delavan, WI
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Registration record

N857SX on the FAA register

Type
2016 Homebuilt Sonex
Serial
857
Engines
Ama/Expr UNKNOWN ENG
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Delavan, WI
Certificate issued
2016-04-05
Airworthiness date
2016-04-22
Registration expires
2029-04-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
ABC2FF
Mode S (octal)
52741377
Seats (type)
2
Weight class
up to 12,499 lb
Kit
Sonex Ltd SONEX
Status
Current as of October 2026
Registry history

Timeline

  • 2029-04-30
    Registration expires (renewal due).
  • 2016-04-22
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2016-04-05
    Certificate of registration issued as N857SX.
Overview

About N857SX

N857SX is a 2016 Homebuilt Sonex, serial number 857. It is registered to an individual in Delavan, Wisconsin. The current certificate of registration was issued on April 5, 2016 and expires on April 30, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Ama/Expr UNKNOWN ENG engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated April 22, 2016.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N857SX.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N857SX.

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 Wisconsin· 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.