Diamond Aircraft DA 42
N503TS is a Diamond Aircraft DA 42, a fixed-wing airplane with more than one motor with a piston engine, built in 2007. It has 4 seats. It is registered to Cox Aviation LLC, an LLC in Portsmouth, Rhode Island. The registration is valid: it was issued on November 7, 2016 and expires on November 30, 2029. It holds a standard airworthiness certificate for normal, dated November 28, 2007.
Diamond Aircraft: eDA40 electric trainer, Austria
Where is it now Last seen October 14 at 2:49 pm.
Last seen October 14 at 2:49 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 42 · all DA 42s 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 42 Twin 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
- 42.AC103
- Type
- Fixed-wing, multi-engineFAA type of aircraft code 5 (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, 2 motors · Thielert TAE 125-02-99 · 132 hp
- Seats
- 4
- Year built
- 2007
- Transponder code
- A646CF (octal 51443317)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- November 7, 2016
- Expires
- November 30, 2029
- Last FAA action
- September 15, 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 · NormalFAA certificate purpose code N (the kind of airworthiness certificate it flies under and what it is approved for). All codes · November 28, 2007
- FAA region
- New EnglandFAA region code E (the FAA regional office that handles the record). All codes
- FAA record id
- 00441469
Owner as the FAA publishes it
- Name
- Cox Aviation 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
- 728 Wapping Rd
Portsmouth, RI 02871-5117
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 N503TS links to the rest of the register
- Diamond Aircraft DA 42 Twin Star 265 registered
- Diamond Aircraft 1,875 aircraft on the register
- Built of composite · as the model family is built; the register does not record it per aircraft
- Thielert TAE 125-02-99 42 aircraft with this engine series · 132 hp
- Cox Aviation LLC 8 aircraft in the fleet
- Holds an FAA aircraft dealer certificate · expired
- Portsmouth, RI 5 aircraft registered in this town
- Rhode Island 361 aircraft registered
- FAA orders naming the Diamond Aircraft DA 42 Twin Star 27 airworthiness directives
- Failure reports filed on the Diamond Aircraft DA 42 Twin Star 313 reports since 1995
- Approved modifications for the Diamond Aircraft DA 42 Twin Star 39 supplemental type certificates
- FAA orders naming the Thielert TAE 125-02-99 11 airworthiness directives
- Where N503TS is now · Last seen October 14 at 2:49 pm.
The whole map of how records connect · these connections as data: /graph/aircraft/N503TS.json.
Records check free · 0 to understand · 5 clear
The public federal record on N503TS, 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 Cox Aviation LLC, an LLC, certificate issued November 7, 2016, expires November 30, 2029. No fractional interest recorded. [1]
Standard certificate for normal, dated November 28, 2007, consistent with the 2007 manufacture year. [1]
No earlier tail number is recorded against serial 42.AC103 for this model in the deregistered file. [2]
No other airframe has carried N503TS 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 N503TS. 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 29, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 29, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 29, 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 29, 2026. See this record on the FAA site · This record as data