Quicksilver MXL II
N90779 is a Quicksilver MXL II, a fixed-wing airplane with one motor with a two-stroke engine. It has 2 seats. It is registered to an individual in Marathon, Wisconsin. The registration is valid: it was issued on September 10, 2018 and expires on September 30, 2028. It holds an experimental airworthiness certificate for registered before jan 31, 2008, dated October 29, 2006.
Aircraft
- Maker
- Quicksilver
- Model
- MXL II · all MXL IIs and related versions
- Serial number
- 796
- Type
- Fixed-wing, single engine
- Power
- Two-cycle piston, 1 motor · Rotax 503 DCDI · 52 hp
- Seats
- 2
- Year built
- Not given
- Transponder code
- AC8C9C (octal 53106234)
Registration
- Status
- Valid registration
- Certificate issued
- September 10, 2018
- Expires
- September 30, 2028
- Last FAA action
- June 10, 2023
- Airworthiness
- Experimental · Registered before Jan 31, 2008 · October 29, 2006
- FAA region
- Great Lakes
- FAA record id
- 00249029
Owner as the FAA publishes it
- Name
- Heil William J
- Type
- Individual
- Address
- 135727 Hwy P
Marathon, WI 54448
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 · 1 to understand · 3 clear
The public federal record on N90779, 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 Heil William J, an individual, certificate issued September 10, 2018, expires September 30, 2028. No fractional interest recorded. [1]
Experimental certificate for registered before jan 31, 2008; the FAA file gives no certificate date and no manufacture year. [1]
No earlier tail number is recorded against serial 796 for this model in the deregistered file. [2]
N90779 was previously assigned to 3 other aircraft: Balloon Works FIREFLY 7 (serial F7-634, cancelled March 4, 2003); Douglas DC-6A (serial 44914, cancelled November 4, 1963); Robinson Helicopter R22 (serial 0281, 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]
No NTSB investigation records located under N90779. 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