.jpg)
Glaser-Dirks DG-400M/17
N40Z is a Glaser-Dirks DG-400M/17, a glider with a piston engine. It has 1 seat. It is registered to an individual in Boulder, Colorado. The registration is valid: it was issued on February 27, 2021 and expires on February 29, 2028. It holds an experimental airworthiness certificate for racing; exhibition, dated November 21, 1985.
Where is it now checking the live feed…
Checking the volunteer receiver network for a recent position…
Aircraft broadcast their own position; volunteer receivers pool what they hear. Owners who have asked the FAA not to be displayed are not shown.
Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Glaser-Dirks
- Model
- DG-400M/17 · all DG-400M/17s and related versions
- Built of
- compositeThe airframe is composite: carbon fibre or glass fibre set in resin, moulded in large pieces with few joints, which gives smooth shapes but needs different inspection and repair methods from metal. A glass-fibre glider. This is how the Glaser-Dirks DG-400 family is built; the FAA does not record construction for each aircraft, and the type certificate data sheet is the authority for this one.
- Serial number
- 4-144
- Type
- GliderFAA type of aircraft code 1 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- Piston (reciprocating)FAA type of engine code 1 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 1 motor · Bombardier ROTAX (ALL)
- Seats
- 1
- Year built
- Not given
- Transponder code
- A4AC87 (octal 51126207)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- February 27, 2021
- Expires
- February 29, 2028
- Last FAA action
- April 21, 2023
- Airworthiness
- ExperimentalFAA airworthiness class code 4 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · Racing; ExhibitionFAA certificate purpose code 43 (the kind of airworthiness certificate it flies under and what it is approved for). All codes · November 21, 1985
- FAA region
- Northwest MountainFAA region code S (the FAA regional office that handles the record). All codes
- FAA record id
- 00322306
Owner as the FAA publishes it
- Name
- Pinnell Benjamin D
- Type
- IndividualFAA type of owner code 1 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- 4291 Black Cherry Ct
Boulder, CO 80301-1600
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Connections how N40Z links to the rest of the register
- Glaser-Dirks DG-400 25 registered
- Glaser-Dirks 37 aircraft on the register
- Built of composite · as the model family is built; the register does not record it per aircraft
- Rotax all models (one FAA code) 2,587 aircraft with this engine series
- Boulder, CO 221 aircraft registered in this town
- Boulder Municipal · BDU
- Colorado 7,454 aircraft registered
- FAA orders naming the Glaser-Dirks DG-400 13 airworthiness directives
The whole map of how records connect · these connections as data: /graph/aircraft/N40Z.json.
Records check free · 1 to understand · 3 clear
The public federal record on N40Z, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Pinnell Benjamin D, an individual, certificate issued February 27, 2021, expires February 29, 2028. No fractional interest recorded. [1]
Experimental certificate for racing; exhibition; the FAA file gives no certificate date and no manufacture year. [1]
No earlier tail number is recorded against serial 4-144 for this model in the deregistered file. [2]
No other airframe has carried N40Z according to the deregistered file. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
1 NTSB record under N40Z: Accident on May 4, 1986 at Longmont, CO: minor injuries, substantial damage. Details below. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
NTSB records 1
Aircraft on the NTSB record: Glaser-Dirks DG-400 · operated under 091
Full record in plain English · Docket and reports at the NTSB
- FAA Releasable Aircraft Database, master file, file of October 23, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 23, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 23, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through September 30, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 23, 2026. See this record on the FAA site · This record as data