Staging copy. The live site is at https://staging.data.eflight.com.
eFlight RegistryFAA data, updated daily
Registered aircraft · FAA record as of September 25, 2026
N58015

William Bernard BUTTERCUP

Valid Illinois

N58015 is a William Bernard BUTTERCUP, a fixed-wing airplane with one motor with a piston engine, built in 2021. It has 2 seats. It is registered to an individual in Springfield, Illinois. The registration is valid: it was issued on May 9, 2019 and expires on May 31, 2029. It holds an experimental airworthiness certificate for amateur built, dated May 17, 2021.

Aircraft

Maker
William Bernard
Model
BUTTERCUP
Serial number
251
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Cont Motor A75-8 · 75 hp
Seats
2
Year built
2021
Transponder code
A77881 (octal 51674201)

Registration

Status
Valid registration
Certificate issued
May 9, 2019
Expires
May 31, 2029
Last FAA action
August 4, 2023
Airworthiness
Experimental · Amateur built · May 17, 2021
FAA region
Great Lakes
FAA record id
01295868

Owner as the FAA publishes it

Name
Bernard William R
Type
Individual
Address
617 Catskill Dr
Springfield, IL 62711-6417

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

1996-08-12Aerospatiale AS 355F1 · exported to Nigeria · Valid registration

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data