Single-engine piston

N439M

2014 Homebuilt Sonex

Registered No accidents on file
Built
2014
Serial
439
Class
Single-engine piston
Engines
Aerovee 2.1
Status
Current as of October 2026
Registered owner
Smith Michael R (Corporation)
Based
Maynard, MA
Registration record

N439M on the FAA register

Type
2014 Homebuilt Sonex
Serial
439
Engines
Aerovee 2.1
Registered owner
Smith Michael R
Maynard, MA
Certificate issued
2013-02-13
Airworthiness date
2014-05-25
Registration expires
2029-02-28
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A545A0
Mode S (octal)
51242640
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-02-28
    Registration expires (renewal due).
  • 2014-05-25
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 2013-02-13
    Certificate of registration issued as N439M to the current registrant.
  • 1933-11-14
    N439M previously assigned to a Stinson JR. R (s/n 8520); cancelled.
Overview

About N439M

N439M is a 2014 Homebuilt Sonex, serial number 439. The FAA register lists Smith Michael R as the registrant in Maynard, Massachusetts. The current certificate of registration was issued on February 13, 2013 and expires on February 28, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Aerovee 2.1 engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated May 25, 2014.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N439M.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N439M.

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

Same state

Other aircraft registered in Massachusetts

All 2,649 aircraft registered in Massachusetts →
Similar aircraft

Other single-engine pistons on the register

Own N439M?

Get a free valuation, digitize the logbooks, or list it on fyiAero.

Free valuation Logbook transcription

Browse: Aircraft registered in Massachusetts· 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.