Mooney Aircraft Corp. M20K
N4087H is a Mooney Aircraft Corp. M20K, a fixed-wing airplane with one motor with a piston engine, built in 1980. It has 4 seats. It is registered to Harmonic Air LLC, an LLC in Portland, Oregon. The registration is valid: it was issued on February 7, 2014 and expires on February 28, 2030. It holds a standard airworthiness certificate for normal, dated November 6, 1980.
Aircraft
- Maker
- Mooney Aircraft Corp.
- Model
- M20K · all M20Ks and related versions
- Serial number
- 25-0463
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · Cont Motor TSIO-360 SER · 225 hp
- Seats
- 4
- Year built
- 1980
- Transponder code
- A4CDAE (octal 51146656)
Registration
- Status
- Valid registration
- Certificate issued
- February 7, 2014
- Expires
- February 28, 2030
- Last FAA action
- October 7, 2023
- Airworthiness
- Standard · Normal · November 6, 1980
- FAA region
- Northwest Mountain
- FAA record id
- 00901284
Owner as the FAA publishes it
- Name
- Harmonic Air LLC
- Type
- LLC
- Address
- C/O Ethan Levi
2217 SE Madison St
Portland, OR 97214-3928
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 N4087H, 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 Harmonic Air LLC, an LLC, certificate issued February 7, 2014, expires February 28, 2030. No fractional interest recorded. [1]
Standard certificate for normal, dated November 6, 1980, consistent with the 1980 manufacture year. [1]
No earlier tail number is recorded against serial 25-0463 for this model in the deregistered file. [2]
No other airframe has carried N4087H 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 N4087H. 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