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Registered aircraft · FAA record as of November 6, 2026Applebay Sailplanes ZUNI
N4321D is an Applebay Sailplanes ZUNI, a glider with no engine, built in 1978. It has 1 seat. It is registered to co-owned owners in Saratoga Springs, Utah. The registration is valid: it was issued on September 28, 2009 and expires on June 30, 2028. It holds an experimental airworthiness certificate for racing; exhibition, dated April 15, 1980.
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Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Applebay Sailplanes
- Model
- ZUNI
- Serial number
- 10
- Type
- GliderFAA type of aircraft code 1 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- NoneFAA type of engine code 0 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes · None NONE
- Seats
- 1
- Year built
- 1978
- Transponder code
- A52D0B (octal 51226413)
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 28, 2009
- Expires
- June 30, 2028
- Last FAA action
- May 19, 2023
- Airworthiness
- ExperimentalFAA airworthiness class code 4 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · Racing; ExhibitionFAA certificate purpose code 43 (the kind of airworthiness certificate it flies under and what it is approved for). All codes · April 15, 1980
- FAA region
- Northwest MountainFAA region code S (the FAA regional office that handles the record). All codes
- FAA record id
- 00442084
Owner as the FAA publishes it
- Name
- Bailie William A
- Type
- Co-ownedFAA type of owner code 4 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- 29 Wagoneer Rd
Saratoga Springs, UT 84045-8163 - Co-owners
- Bailie Patricia K
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 1
Connections how N4321D links to the rest of the register
- Applebay Sailplanes 6 aircraft on the register
- Saratoga Springs, UT 22 aircraft registered in this town
- Utah 8,357 aircraft registered
The whole map of how records connect · these connections as data: /graph/aircraft/N4321D.json.
Records check free · 2 to understand · 3 clear
The public federal record on N4321D, 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 Bailie William A, a co-owned, certificate issued September 28, 2009, expires June 30, 2028. No fractional interest recorded. [1]
Experimental certificate for racing; exhibition, dated April 15, 1980, consistent with the 1978 manufacture year. [1]
No earlier tail number is recorded against serial 10 for this model in the deregistered file. [2]
N4321D was previously assigned to 1 other aircraft: Beech E18S (serial BA-167, cancelled July 2, 1956). 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 N4321D: Accident on May 23, 1993 at Deer Park, WA: 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: Applebay ZUNI · operated under 091
IMPROPERLY PLANNED APPROACH BY THE PIC.
Full record in plain English · Docket and reports at the NTSB
- FAA Releasable Aircraft Database, master file, file of November 6, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of November 6, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of November 6, 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 6, 2026. See this record on the FAA site · This record as data