Hepperlen Harry M Iii RV-4
N21MH is a Hepperlen Harry M Iii RV-4, a fixed-wing airplane with one motor with a piston engine, built in 1995. It has 2 seats. It is registered to an individual in Green Cove Springs, Florida. The registration is valid: it was issued on September 12, 2019 and expires on September 30, 2029. It holds an experimental airworthiness certificate for amateur built, dated February 12, 1996.
Aircraft
- Maker
- Hepperlen Harry M Iii
- Model
- RV-4
- Serial number
- 2670
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · Lycoming 0-360-A1D · 180 hp
- Seats
- 2
- Year built
- 1995
- Transponder code
- A1B844 (octal 50334104)
Registration
- Status
- Valid registration
- Certificate issued
- September 12, 2019
- Expires
- September 30, 2029
- Last FAA action
- September 2, 2023
- Airworthiness
- Experimental · Amateur built · February 12, 1996
- FAA region
- Southern
- FAA record id
- 00954972
Owner as the FAA publishes it
- Name
- Kannapell Joseph H
- Type
- Individual
- Address
- 5323 Air Park Loop W
Green Cove Springs, FL 32043-8911
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 N21MH, 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 Kannapell Joseph H, an individual, certificate issued September 12, 2019, expires September 30, 2029. No fractional interest recorded. [1]
Experimental certificate for amateur built, dated February 12, 1996, consistent with the 1995 manufacture year. [1]
No earlier tail number is recorded against serial 2670 for this model in the deregistered file. [2]
No other airframe has carried N21MH 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 N21MH. 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