The U.S. aircraft register, updated daily

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Registered aircraft · FAA record as of November 13, 2026
N4001H

Piper J4A

ValidFAA registration status code V: Valid registration. All codesVermont

N4001H is a Piper J4A, a fixed-wing airplane with one motor with a piston engine, built in 1940. It has 2 seats. It is registered to Lapiair LLC, an LLC in Vergennes, Vermont. The registration is valid: it was issued on April 16, 2021 and expires on April 30, 2028. It holds a standard airworthiness certificate for normal; utility, dated July 19, 2003.

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Aircraft

Maker
Piper
Model
J4A · all J4As and related versions
Built of
steel tube and fabric
The fuselage is a welded steel-tube frame covered in fabric, with metal or wooden wing spars under fabric-covered wings; the fabric is replaced every few decades. This is how the Piper J4 Cub Coupe 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
41108
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 · Cont Motor C85 SERIES · 85 hp
Fuel
100LL avgas
Seats
2
Year built
1940
Cruising speed
75 mph
Transponder code
A4AF24 (octal 51127444)

Registration

Status
Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
Certificate issued
April 16, 2021
Expires
April 30, 2028
Last FAA action
May 5, 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 · Normal; UtilityFAA certificate purpose code NU (the kind of airworthiness certificate it flies under and what it is approved for). All codes · July 19, 2003
FAA region
New EnglandFAA region code E (the FAA regional office that handles the record). All codes
FAA record id
00050899

Owner as the FAA publishes it

Name
Lapiair 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
PO Box 247
Vergennes, VT 05491-0247

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 2

2000-10-16Mooney Aircraft Corp. M20K · exported to Canada · Valid registration
1955-10-04Piper J3C-65 · Valid registration

Connections how N4001H links to the rest of the register

Design
Engine
Owner
  • Lapiair LLC 2 aircraft registered to this organisation
Place
Airworthiness

The whole map of how records connect · these connections as data: /graph/aircraft/N4001H.json.

Records check free · 2 to understand · 3 clear

The public federal record on N4001H, 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.

CLEARRegistration and identity

Valid registration to Lapiair LLC, an LLC, certificate issued April 16, 2021, expires April 30, 2028. No fractional interest recorded. [1]

ATTENTIONAirworthiness certificate date

The airworthiness certificate on file is dated July 19, 2003, 63 years after the 1940 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains. [1]

CLEARPrior registrations of this airframe

No earlier tail number is recorded against serial 41108 for this model in the deregistered file. [2]

ATTENTIONTail number reuse

N4001H was previously assigned to 2 other aircraft: Mooney Aircraft Corp. M20K (serial 25-0452, cancelled October 16, 2000); Piper J3C-65 (serial 22630, cancelled October 4, 1955). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [2]

NOTERecent registry documents

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]

CLEARAccident and incident record

No NTSB investigation records located under N4001H. CLEAR means the query ran and returned nothing, not that nothing ever happened. [4]

PENDINGTitle chain, liens and 337 forms

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.

PENDINGAirworthiness directives and utilization

AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.

CLEAR the source was checked and shows no adverse findingATTENTION a fact a buyer or lender should understand, often routineNOTE context onlyPENDING covered by the full report
  1. FAA Releasable Aircraft Database, master file, file of November 13, 2026. registry.faa.gov/
  2. FAA deregistered aircraft file (part of the same download), file of November 13, 2026. registry.faa.gov/
  3. FAA document index: registry documents received in recent weeks, file of November 13, 2026. registry.faa.gov/
  4. 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 13, 2026. See this record on the FAA site · This record as data