Glider

N40Z

Homebuilt DG-400M/17

Registered 1 NTSB/FAA record
Built
—
Serial
4-144
Class
Glider
Engines
Bombardier ROTAX (ALL)
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Boulder, CO
Registration record

N40Z on the FAA register

Type
Homebuilt DG-400M/17
Serial
4-144
Engines
Bombardier ROTAX (ALL)
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Boulder, CO
Certificate issued
2021-02-27
Airworthiness date
1985-11-21
Registration expires
2028-02-29
Airworthiness class
Experimental · air racing
Mode S (hex)
A4AC87
Mode S (octal)
51126207
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-02-29
    Registration expires (renewal due).
  • 2021-02-27
    Certificate of registration issued as N40Z.
  • 1986-05-04
    Accident at Longmont, CO; damage: substantial.
  • 1985-11-21
    Airworthiness date on the current FAA record (experimental category (air racing)).
Overview

About N40Z

N40Z is a Homebuilt DG-400M/17, serial number 4-144. It is registered to an individual in Boulder, Colorado. The current certificate of registration was issued on February 27, 2021 and expires on February 29, 2028.

The FAA aircraft reference file describes the type as a glider, one Bombardier ROTAX (ALL) engine and 1 seats. Its airworthiness certificate is experimental category (air racing), dated November 21, 1985.

N40Z has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

1986-05-04 Accident · Longmont, CO Damage: Substantial Minor injury NTSB · DEN86LA127
Reported aircraft: Glaser-Dirks DG-400

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 Colorado· 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.