Aerovodochody L-29 DELFIN
N4985Z is an Aerovodochody L-29 DELFIN, a fixed-wing airplane with one motor with turbojet engines, built in 1964. It has 2 seats. It is registered to an individual in Fernley, Nevada. The registration is valid: it was issued on July 7, 2021 and expires on July 31, 2028. It holds an experimental airworthiness certificate for exhibition, dated October 15, 1997.
Aircraft
- Maker
- Aerovodochody
- Model
- L-29 DELFIN · all L-29 DELFINs and related versions
- Serial number
- 491165
- Type
- Fixed-wing, single engine
- Power
- Turbojet, 1 motor
- Seats
- 2
- Year built
- 1964
- Transponder code
- A630EF (octal 51430357)
Registration
- Status
- Valid registration
- Certificate issued
- July 7, 2021
- Expires
- July 31, 2028
- Last FAA action
- May 26, 2023
- Airworthiness
- Experimental · Exhibition · October 15, 1997
- FAA region
- Western-Pacific
- FAA record id
- 00406661
Owner as the FAA publishes it
- Name
- Mathison John M
- Type
- Individual
- Address
- 733 E St
Fernley, NV 89408-8570
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
Records check free · 3 to understand · 2 clear
The public federal record on N4985Z, 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 Mathison John M, an individual, certificate issued July 7, 2021, expires July 31, 2028. No fractional interest recorded. [1]
The airworthiness certificate on file is dated October 15, 1997, 33 years after the 1964 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]
No earlier tail number is recorded against serial 491165 for this model in the deregistered file. [2]
N4985Z was previously assigned to 2 other aircraft: Mckinney-Bruce VARIEZE (serial 427, cancelled December 15, 1992); Piper PA-18-150 (serial 18-7764, cancelled September 14, 1962). 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]
1 NTSB record under N4985Z: Accident on November 24, 1989 at Aspen, CO: fatal, destroyed (2 fatal). Details below. [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.
NTSB records 1
Aircraft on the NTSB record: Bruce Mckinney VARI-EZE · operated under 091
THE PILOT'S FAILURE TO REFUEL THE AIRPLANE, WHICH RESULTED IN FUEL EXHAUSTION. A RELATED FACTOR TO THE ACCIDENT WAS: THE MOUNTAINOUS TERRAIN.
Search the NTSB's CAROL system for DEN90DTE02 for the docket and final report. Open CAROL
- 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