Learjet Inc 60
N405DC is a Learjet Inc 60, a fixed-wing airplane with more than one motor with turbofan engines, built in 2008. It has 11 seats. It is registered to Cos Air LLC, an LLC in Boca Raton, Florida. The registration is valid: it was issued on March 2, 2020 and expires on March 31, 2034. It holds a standard airworthiness certificate for transport, dated November 10, 2008.
Listed on the FAA charter and air-taxi certificate of SAI Flight Services, Inc., so it can be flown for hire; the registered owner is someone else, which is usual for a managed aircraft.
Where is it now Last seen yesterday at 6:12 pm.
Last seen yesterday at 6:12 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
- Learjet Inc
- Model
- 60 · all 60s and related versions
- Built of
- aluminiumThe airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. This is how the Learjet 60 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
- 363
- 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
- TurbofanFAA type of engine code 5 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 2 motors · P&W Canada PW305A · 4,679 lb thrust
- Fuel
- Jet A
- Seats
- 11
- Year built
- 2008
- Transponder code
- A4BF82 (octal 51137602)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- March 2, 2020
- Expires
- March 31, 2034
- Last FAA action
- November 3, 2026
- 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 · TransportFAA certificate purpose code T (the kind of airworthiness certificate it flies under and what it is approved for). All codes · November 10, 2008
- FAA region
- SouthernFAA region code 7 (the FAA regional office that handles the record). All codes
- FAA record id
- 01018498
Owner as the FAA publishes it
- Name
- Cos Air 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
- 800 S Ocean Blvd Apt 405
Boca Raton, FL 33432-6366
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 N405DC links to the rest of the register
- Learjet 60 237 registered
- Learjet Inc 843 aircraft on the register
- Built of aluminium · as the model family is built; the register does not record it per aircraft
- SAI Flight Services, Inc. · charter operator
- Pratt & Whitney Canada PW305A 115 aircraft with this engine series · 4,679 lb thrust
- Cos Air LLC 1 aircraft registered to this organisation
- Boca Raton, FL 333 aircraft registered in this town
- Boca Raton Airport · BCT
- Florida 21,702 aircraft registered
- FAA orders naming the Learjet 60 22 airworthiness directives
- Failure reports filed on the Learjet 60 792 reports since 1995
- Approved modifications for the Learjet 60 130 supplemental type certificates
- FAA orders naming the Pratt & Whitney Canada PW305A 4 airworthiness directives
- Failure reports on the Pratt & Whitney Canada PW305A 310 reports since 1995
- Report filed on this aircraft: Mixing Valve, malfunctioned · 2020-01-24
- Report filed on this aircraft: Engine, power loss · 2017-06-28
- Report filed on this aircraft: Connector, dirty · 2016-01-02
- Where N405DC is now · Last seen yesterday at 6:12 pm.
The whole map of how records connect · these connections as data: /graph/aircraft/N405DC.json.
Records check free · 1 to understand · 4 clear
The public federal record on N405DC, 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 Cos Air LLC, an LLC, certificate issued March 2, 2020, expires March 31, 2034. No fractional interest recorded. [1]
Standard certificate for transport, dated November 10, 2008, consistent with the 2008 manufacture year. [1]
No earlier tail number is recorded against serial 363 for this model in the deregistered file. [2]
N405DC was previously assigned to 1 other aircraft: Learjet Inc 60 (serial 064, cancelled March 2, 2020). 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]
No NTSB investigation records located under N405DC. 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 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