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
N1771S

Lange William H GLASAIR II-S RG

Valid Maryland

N1771S is a Lange William H GLASAIR II-S RG, a fixed-wing airplane with one motor with a piston engine, built in 1999. It has 2 seats. It is registered to an individual in Brandywine, Maryland. The registration is valid: it was issued on January 16, 1997 and expires on May 31, 2029. It holds an experimental airworthiness certificate for amateur built, dated August 13, 1999.

Aircraft

Maker
Lange William H
Model
GLASAIR II-S RG
Serial number
2060
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Lycoming I0360 SER · 180 hp
Seats
2
Year built
1999
Transponder code
A135BA (octal 50232672)

Registration

Status
Valid registration
Certificate issued
January 16, 1997
Expires
May 31, 2029
Last FAA action
August 4, 2023
Airworthiness
Experimental · Amateur built · August 13, 1999
FAA region
Eastern
FAA record id
00926261

Owner as the FAA publishes it

Name
Lange William H
Type
Individual
Address
10907 Cross Road Trl
Brandywine, MD 20613-8835

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

1974-02-07Aero Commander 600 S-2D · Valid registration

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