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Robinson Helicopter R44 II
N4377X is a Robinson Helicopter R44 II, a rotorcraft with a piston engine (a helicopter or multicopter), built in 2009. It has 4 seats. It is registered to Dk Air LLC, an LLC in Brookings, Oregon. The registration is valid: it was issued on February 22, 2012 and expires on February 29, 2028. It holds a standard airworthiness certificate for normal, dated October 22, 2009.
Listed on the FAA charter and air-taxi certificate of Dk Air LLC, so it can be flown for hire.
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Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Robinson Helicopter (United States)FAA spelling: ROBINSON HELICOPTER COMPANY
- Model
- R44 II · all R44 IIs and related versions
- Built of
- steel tube and aluminiumA welded steel-tube frame carries the loads, with aluminium (and some fibreglass) skins over it. A welded steel-tube frame under aluminium and fibreglass skins; metal rotor blades. This is how the Robinson R44 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
- 12838
- Type
- RotorcraftFAA type of aircraft code 6 (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 IO-540-AE1A5 · 260 hp
- Seats
- 4
- Year built
- 2009
- Transponder code
- A54082 (octal 51240202)
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 22, 2012
- Expires
- February 29, 2028
- Last FAA action
- April 21, 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 · October 22, 2009
- FAA region
- Northwest MountainFAA region code S (the FAA regional office that handles the record). All codes
- FAA record id
- 01042728
Owner as the FAA publishes it
- Name
- Dk 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
- 15564 Sterling Heights Dr
Brookings, OR 97415-9579
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 N4377X links to the rest of the register
- Robinson R44 1,944 registered
- Robinson Helicopter 3,182 aircraft on the register
- Built of steel tube and aluminium · as the model family is built; the register does not record it per aircraft
- Dk Air LLC · charter operator
- Lycoming IO-540-AE1A5 1,043 aircraft with this engine series · 260 hp
- Type certificate H11NM · held by Robinson Helicopter CO
- Dk Air LLC 7 aircraft in the fleet
- Brookings, OR 48 aircraft registered in this town
- Brookings Airport · BOK
- Oregon 7,013 aircraft registered
- FAA orders naming the Robinson R44 42 airworthiness directives
- Failure reports filed on the Robinson R44 1,407 reports since 1995
- Approved modifications for the Robinson R44 110 supplemental type certificates
- FAA orders naming the Lycoming IO-540-AE1A5 21 airworthiness directives
- Failure reports on the Lycoming IO-540-AE1A5 924 reports since 1995
- Report filed on this aircraft: Stabilizer, rivets popped · 1997-05-30
- Report filed on this aircraft: Bracket, crack · 1996-01-16
- Report filed on this aircraft: Distributor Blk, cracked · 1995-08-22
The whole map of how records connect · these connections as data: /graph/aircraft/N4377X.json.
Records check free · 1 to understand · 4 clear
The public federal record on N4377X, 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 Dk Air LLC, an LLC, certificate issued February 22, 2012, expires February 29, 2028. No fractional interest recorded. [1]
Standard certificate for normal, dated October 22, 2009, consistent with the 2009 manufacture year. [1]
No earlier tail number is recorded against serial 12838 for this model in the deregistered file. [2]
N4377X was previously assigned to 1 other aircraft: Piper PA-34-200T (serial 34-7670035, cancelled August 7, 2006). 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 N4377X. 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