Diamond Aircraft DA 40
N33SY 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 Flight Level 510 LLC, an LLC in El Dorado Hills, California. The registration is valid: it was issued on September 2, 2024 and expires on September 30, 2031. It holds a standard airworthiness certificate for normal; utility, dated April 22, 2004.
Diamond Aircraft: eDA40 electric trainer, Austria
Aircraft
- Maker
- Diamond Aircraft (Austria)FAA spelling: DIAMOND AIRCRAFT IND INC
- Model
- DA 40 · all DA 40s and related versions
- Serial number
- 40.370
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · Lycoming I0360 SER · 180 hp
- Seats
- 4
- Year built
- 2004
- Transponder code
- A3951D (octal 50712435)
Registration
- Status
- Valid registration
- Certificate issued
- September 2, 2024
- Expires
- September 30, 2031
- Last FAA action
- January 14, 2026
- Airworthiness
- Standard · Normal; Utility · April 22, 2004
- FAA region
- Western-Pacific
- FAA record id
- 00103689
Owner as the FAA publishes it
- Name
- Flight Level 510 LLC
- Type
- LLC
- Address
- Attn Mullan Enterprises LLC
3941 Park Dr Ste 20 Pmb 300
El Dorado Hills, CA 95762-4577
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.
Records check free · 0 to understand · 5 clear
The public federal record on N33SY, 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 Flight Level 510 LLC, an LLC, certificate issued September 2, 2024, expires September 30, 2031. No fractional interest recorded. [1]
Standard certificate for normal; utility, dated April 22, 2004, consistent with the 2004 manufacture year. [1]
No earlier tail number is recorded against serial 40.370 for this model in the deregistered file. [2]
No other airframe has carried N33SY 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]
No NTSB investigation records located under N33SY. CLEAR means the query ran and returned nothing, not that nothing ever happened. [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.
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 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 2, 2026. See this record on the FAA site · This record as data