The U.S. aircraft register, updated daily · Carbon Free Flight by 2050
Maker · data as of October 2, 2026

Bill Robert

1 aircraft on the U.S. register. The most recent registration was August 3, 2007.

Models

HERCULES TRIKE1

HERCULES TRIKE

States

California1

Registrations by year

No data

Aircraft newest first

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N51726 Bill Robert
HERCULES TRIKE
Weight-shift control Individual owner
California
Experimental 2007-08-03 Valid