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Registered aircraft · FAA record as of September 25, 2026
N27WP

William M Oprendek PITTS S1S

Valid

N27WP is a William M Oprendek PITTS S1S, a fixed-wing airplane with one motor with a piston engine, built in 2019. It has 1 seat. It is registered to an owner whose details are withheld at their request. The registration is valid: it was issued on November 12, 2025 and expires on November 30, 2032. It holds an experimental airworthiness certificate for amateur built, dated May 13, 2020.

Aircraft

Maker
William M Oprendek
Model
PITTS S1S
Serial number
S1SS-4
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Superior IO-360 SER · 180 hp
Seats
1
Year built
2019
Transponder code
A2A625 (octal 50523045)

Registration

Status
Valid registration
Certificate issued
November 12, 2025
Expires
November 30, 2032
Last FAA action
November 12, 2025
Airworthiness
Experimental · Amateur built · May 13, 2020
FAA region
—
FAA record id
01299384

Owner as the FAA publishes it

Name
Withheld at the owner's request
Type
Individual
Address

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

2020-04-09Dennis Harvan WOLF PITTS S1-SX · Valid registration

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