Piper PA-28-151
N55PN is a Piper PA-28-151, a fixed-wing airplane with one motor with a piston engine, built in 1974. It has 4 seats. It is registered to Knot Mach LLC, an LLC in Mchenry, Illinois. The registration is valid: it was issued on September 4, 2025 and expires on September 30, 2032. It holds a standard airworthiness certificate for normal; utility, dated February 20, 1974.
Where is it now Last seen Sunday at 7:52 pm.
Last seen Sunday at 7:52 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
- Piper
- Model
- PA-28-151 · all PA-28-151s 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 Piper PA-28 Cherokee, Warrior, Archer and Arrow 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
- 28-7415251
- Type
- Fixed-wing, single engineFAA type of aircraft code 4 (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 0-320 SERIES · 180 hp
- Fuel
- 100LL avgas
- Seats
- 4
- Year built
- 1974
- Cruising speed
- 80 mph
- Transponder code
- A6FE64 (octal 51577144)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- September 4, 2025
- Expires
- September 30, 2032
- Last FAA action
- September 4, 2025
- 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 · Normal; UtilityFAA certificate purpose code NU (the kind of airworthiness certificate it flies under and what it is approved for). All codes · February 20, 1974
- FAA region
- Great LakesFAA region code C (the FAA regional office that handles the record). All codes
- FAA record id
- 00791504
Owner as the FAA publishes it
- Name
- Knot Mach 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
- 1910 Orchard Beach Rd
Mchenry, IL 60050-2844
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 N55PN links to the rest of the register
- Piper PA-28 Cherokee, Warrior, Archer and Arrow 18,618 registered
- Piper 44,837 aircraft on the register
- Built of aluminium · as the model family is built; the register does not record it per aircraft
- Lycoming O-320 series 27,305 aircraft with this engine series · 180 hp
- Knot Mach LLC 2 aircraft registered to this organisation
- Mchenry, IL 24 aircraft registered in this town
- Illinois 8,061 aircraft registered
- FAA orders naming the Piper PA-28 Cherokee, Warrior, Archer and Arrow 90 airworthiness directives
- Failure reports filed on the Piper PA-28 Cherokee, Warrior, Archer and Arrow 3,269 reports since 1995
- Approved modifications for the Piper PA-28 Cherokee, Warrior, Archer and Arrow 697 supplemental type certificates
- FAA orders naming the Lycoming O-320 series 29 airworthiness directives
- Failure reports on the Lycoming O-320 series 349 reports since 1995
- Where N55PN is now · Last seen Sunday at 7:52 pm.
The whole map of how records connect · these connections as data: /graph/aircraft/N55PN.json.
Records check free · 0 to understand · 5 clear
The public federal record on N55PN, 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 Knot Mach LLC, an LLC, certificate issued September 4, 2025, expires September 30, 2032. No fractional interest recorded. [1]
Standard certificate for normal; utility, dated February 20, 1974, consistent with the 1974 manufacture year. [1]
No earlier tail number is recorded against serial 28-7415251 for this model in the deregistered file. [2]
No other airframe has carried N55PN 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 N55PN. 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 3, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of November 3, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of November 3, 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 3, 2026. See this record on the FAA site · This record as data