Holt Thomas S COZY MKIV
N31939 is a Holt Thomas S COZY MKIV, a fixed-wing airplane with one motor with a piston engine, built in 2018. It has 4 seats. It is registered to an individual in Layton, Utah. The registration is valid: it was issued on October 31, 2017 and expires on October 31, 2027. It holds an experimental airworthiness certificate for amateur built, dated February 24, 2018.
Aircraft
- Maker
- Holt Thomas S
- Model
- COZY MKIV
- Serial number
- 1212
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · Lycoming IO-320 SERIES · 150 hp
- Seats
- 4
- Year built
- 2018
- Transponder code
- A36B23 (octal 50665443)
Registration
- Status
- Valid registration
- Certificate issued
- October 31, 2017
- Expires
- October 31, 2027
- Last FAA action
- March 24, 2023
- Airworthiness
- Experimental · Amateur built · February 24, 2018
- FAA region
- Northwest Mountain
- FAA record id
- 01267280
Owner as the FAA publishes it
- Name
- Holt Thomas S
- Type
- Individual
- Address
- 2746 E 1525 N
Layton, UT 84040-2700
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 3
Records check free · 2 to understand · 3 clear
The public federal record on N31939, 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 Holt Thomas S, an individual, certificate issued October 31, 2017, expires October 31, 2027. No fractional interest recorded. [1]
Experimental certificate for amateur built, dated February 24, 2018, consistent with the 2018 manufacture year. [1]
No earlier tail number is recorded against serial 1212 for this model in the deregistered file. [2]
N31939 was previously assigned to 3 other aircraft: Holt Herbert L LONG EZ (serial 001, cancelled November 3, 2010); Aeronca 65-LB (serial LB12171, cancelled August 6, 1974); Bell 206B-III (serial 003875, cancelled date not given). 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 N31939: Accident on August 29, 2010 at Afton, WY: no injuries, substantial damage. 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: Holt Herbert L LONG EZ · operated under 091
The pilot's failure to securely lock the canopy prior to takeoff, which allowed the contents of the cabin to exit the airplane and damage the propeller. Contributing to the severity of the damage was the subsequent fire that ensued.
Search the NTSB's CAROL system for WPR10CA437 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