Single-engine piston

N423J

Homebuilt Glasair Sper II-RG

Registered No accidents on file
Built
—
Serial
2471
Class
Single-engine piston
Engines
1
Status
Current as of October 2026
Registered owner
Alternate Air Inc (Corporation)
Based
Seattle, WA
Registration record

N423J on the FAA register

Type
Homebuilt Glasair Sper II-RG
Serial
2471
Engines
1
Registered owner
Alternate Air Inc
Seattle, WA
Certificate issued
2016-01-12
Airworthiness date
—
Registration expires
2029-01-31
Airworthiness class
—
Mode S (hex)
A5078C
Mode S (octal)
51203614
Seats (type)
2
Weight class
up to 12,499 lb
Kit
Glasair Aviation Llc SUPER II-RG
Status
Current as of October 2026
Registry history

Timeline

  • 2029-01-31
    Registration expires (renewal due).
  • 2016-01-12
    Certificate of registration issued as N423J.
Overview

About N423J

N423J is a Homebuilt Glasair Sper II-RG, serial number 2471. The FAA register lists Alternate Air Inc as the registrant in Seattle, Washington. The current certificate of registration was issued on January 12, 2016 and expires on January 31, 2029.

The FAA aircraft reference file describes the type as a single-engine piston and 2 seats.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N423J.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N423J.

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 Washington· 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.