N321SX - Harrington Bruce D Sonex Aircraft Registration

FK9

HARRINGTON BRUCE D SONEX

Aircraft Description

N321SX is a Harrington Bruce D SONEX, a single-engine reciprocating (piston) aircraft registered to Boesch Spencer H in South Bend, IN. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on May 31, 2003. The registration certificate was issued on July 23, 2025. The registration is set to expire on July 31, 2032. Powered by a Ama/expr UNKNOWN ENG engine, N321SX is. The aircraft's Mode S transponder code is A373AD (hex), used for ADS-B identification and flight tracking. The FAA registry record for N321SX was last updated on July 23, 2025. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Harrington Bruce D is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Harrington Bruce D aircraft currently registered in the FAA database, including the SONEX model.

AviatorDB has found no NTSB accident or incident reports involving N321SX. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
Manufacturer
HARRINGTON BRUCE D
Model
SONEX
Type Aircraft
Fixed Wing Single Engine
ICAO Type Code
FK9FK-9 Mk.IV
Weight Class
Up to 12,500 lbs
Airworthiness Date
May 31, 2003
Classification
Experimental 2 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
July 23, 2025

Registered Owner

Name
BOESCH SPENCER H
Address
1821 ALTGELD ST
City
SOUTH BEND
State / Zip Code
Indiana46614-1603
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
AMA/EXPR
Engine Model
UNKNOWN ENG
Mode S Code (Oct)
50671655
Mode S Code (Hex)
A373AD

Additional Details

Registration
N321SX
Serial Number
321
Number of Engines
1
Number of Seats
2
Expiration Date
July 31, 2032
Last Action Date
July 23, 2025
Last Update Date
January 19, 2026
Unique ID
00031699

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-05-01 01:32:20 UTC