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Diamond Aircraft DA 40
N5WU is a Diamond Aircraft DA 40, a fixed-wing airplane with one motor with a piston engine, built in 2004. It has 4 seats. It is registered to Diamond West LLC, an LLC in Walnut Creek, California. The registration is valid: it was issued on September 14, 2005 and expires on May 31, 2028. It holds a standard airworthiness certificate for normal; utility, dated August 13, 2004.
Diamond Aircraft: eDA40 electric trainer, Austria
Where is it now Last seen Saturday at 2:50 pm.
Last seen Saturday at 2:50 pm. Checking whether it is in the air right now…
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
- Diamond Aircraft (Austria)FAA spelling: DIAMOND AIRCRAFT IND INC
- Model
- DA 40 · all DA 40s 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. This is how the Diamond Aircraft DA 40 Diamond Star 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
- 40.400
- Type
- Fixed-wing, single engineFAA type of aircraft code 4 (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 · Lycoming I0360 SER · 180 hp
- Fuel
- 100LL avgas
- Seats
- 4
- Year built
- 2004
- Transponder code
- A63745 (octal 51433505)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- September 14, 2005
- Expires
- May 31, 2028
- Last FAA action
- May 12, 2023
- Airworthiness
- StandardFAA airworthiness class code 1 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · Normal; UtilityFAA certificate purpose code NU (the kind of airworthiness certificate it flies under and what it is approved for). All codes · August 13, 2004
- FAA region
- Western-PacificFAA region code 4 (the FAA regional office that handles the record). All codes
- FAA record id
- 00125099
Owner as the FAA publishes it
- Name
- Diamond West LLC
- Type
- LLCFAA type of owner code 7 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- 116 Genoa Ct
Walnut Creek, CA 94598-3611
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.
Earlier use of this number 1
Connections how N5WU links to the rest of the register
- Diamond Aircraft DA 40 Diamond Star 1,018 registered
- Diamond Aircraft 1,876 aircraft on the register
- Built of composite · as the model family is built; the register does not record it per aircraft
- Lycoming IO-360 series 8,560 aircraft with this engine series · 180 hp
- Diamond West LLC 1 aircraft registered to this organisation
- Walnut Creek, CA 96 aircraft registered in this town
- California 27,897 aircraft registered
- FAA orders naming the Diamond Aircraft DA 40 Diamond Star 25 airworthiness directives
- Failure reports filed on the Diamond Aircraft DA 40 Diamond Star 301 reports since 1995
- Approved modifications for the Diamond Aircraft DA 40 Diamond Star 121 supplemental type certificates
- FAA orders naming the Lycoming IO-360 series 42 airworthiness directives
- Failure reports on the Lycoming IO-360 series 39 reports since 1995
- Where N5WU is now · Last seen Saturday at 2:50 pm.
The whole map of how records connect · these connections as data: /graph/aircraft/N5WU.json.
Records check free · 2 to understand · 3 clear
The public federal record on N5WU, 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 Diamond West LLC, an LLC, certificate issued September 14, 2005, expires May 31, 2028. No fractional interest recorded. [1]
Standard certificate for normal; utility, dated August 13, 2004, consistent with the 2004 manufacture year. [1]
No earlier tail number is recorded against serial 40.400 for this model in the deregistered file. [2]
N5WU was previously assigned to 1 other aircraft: Beech C90 (serial LJ635, cancelled September 1, 1998). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [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 N5WU: Accident on February 16, 1998 at Newton, WV: fatal, destroyed (2 fatal). 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: Beech C-90 · operated under 091
The pilot inadequate management of the fuel system which resulted in fuel starvation to both engines. Factors in the accident were the pilot's concern about maintenance being completed prior to executing a scheduled flight later in the day, and operating the airplane with known deficiencies.
Full record in plain English · Docket and reports at the NTSB
- FAA Releasable Aircraft Database, master file, file of November 6, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of November 6, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of November 6, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through October 28, 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, November 6, 2026. See this record on the FAA site · This record as data