FAA Aircraft Registry · Live Lookup · As of Apr 28, 2026

N661X — Sonex Aircraft ONEX

Rendered live from the FAA Aircraft Registry (refreshed weekly). This tail has no NTSB events or airworthiness directives indexed against it — type-level history is on the type page below.

Registration

Registrant

KNUTSON DAVID J

Registrant Type

Individual

Location

FALL CITY, WA

Status

Registration Valid

Certificate Issued

Mar 18, 2015

Airworthiness Date

—

Registration Expires

Mar 31, 2028

Last Action

Apr 28, 2023

Aircraft

Serial Number

ONX0140

Year Manufactured

2015

Aircraft Type

Fixed Wing Single Engine

Certification

Unknown

Engine

—

Engines / Seats

1 / 1

Weight Class

CLASS 1

Mode S (Hex)

A8B9FD

Type History

Sonex Aircraft ONEX type page → — 83 registered · 19 NTSB records · 0 airworthiness directives

Live position via ICAO24 A8B9FD

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