Single-engine piston

N21SD

Homebuilt SD2

Registered No accidents on file
Built
—
Serial
SD2-1
Class
Single-engine piston
Engines
1
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Wasilla, AK
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Registration record

N21SD on the FAA register

Type
Homebuilt SD2
Serial
SD2-1
Engines
1
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Wasilla, AK
Certificate issued
2024-04-10
Airworthiness date
—
Registration expires
2031-04-30
Airworthiness class
—
Mode S (hex)
A1B8BD
Mode S (octal)
50334275
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2031-04-30
    Registration expires (renewal due).
  • 2024-04-10
    Certificate of registration issued as N21SD to the current registrant.
  • 2013-07-18
    N21SD previously assigned to a Commander 680FL (s/n 1417-65); cancelled.
Overview

About N21SD

N21SD is a Homebuilt SD2, serial number SD2-1. It is registered to an individual in Wasilla, Alaska. The current certificate of registration was issued on April 10, 2024 and expires on April 30, 2031.

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 N21SD.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N21SD.

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 Alaska· 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.