Glider

N393SB

1985 Glaser-Dirks DG-400

Registered No accidents on file
Built
1985
Serial
4-85
Class
Glider
Engines
Rotax 505
Status
Current as of October 2026
Registered owner
Twenty Inc (Corporation)
Based
Wilmington, DE
Registration record

N393SB on the FAA register

Type
1985 Glaser-Dirks DG-400
Serial
4-85
Engines
Rotax 505
Registered owner
Twenty Inc
Wilmington, DE
Certificate issued
2019-06-14
Airworthiness date
2021-11-08
Registration expires
2029-06-30
Airworthiness class
Experimental · exhibition
Mode S (hex)
A48F80
Mode S (octal)
51107600
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-06-30
    Registration expires (renewal due).
  • 2021-11-08
    Airworthiness date on the current FAA record (experimental category (exhibition)).
  • 2019-06-14
    Certificate of registration issued as N393SB.
  • 1985
    Manufactured (1985).
Overview

About N393SB

N393SB is a 1985 Glaser-Dirks DG-400, serial number 4-85. The FAA register lists Twenty Inc as the registrant in Wilmington, Delaware. The current certificate of registration was issued on June 14, 2019 and expires on June 30, 2029.

The FAA aircraft reference file describes the type as a glider, one Rotax 505 engine and 1 seats. Its airworthiness certificate is experimental category (exhibition), dated November 8, 2021.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N393SB.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N393SB.

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 Delaware· 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.