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Registered aircraft · FAA record as of September 25, 2026
N557SM

Robinson Helicopter R44 II

N557SM is a Robinson Helicopter R44 II, a rotorcraft with a piston engine (a helicopter or multicopter), built in 2007. It has 4 seats. It is registered to Acmeflight LLC, an LLC in Santa Rosa, California. The registration is valid: it was issued on July 9, 2025 and expires on July 31, 2032. It holds a standard airworthiness certificate for normal, dated June 14, 2007.

Aircraft

Maker
Robinson Helicopter (United States)
FAA spelling: ROBINSON HELICOPTER COMPANY
Model
R44 II
Serial number
11700
Type
Rotorcraft
Power
Piston (reciprocating), 1 motor · Lycoming IO-540-AE1A5 · 260 hp
Seats
4
Year built
2007
Transponder code
A71B08 (octal 51615410)

Registration

Status
Valid registration
Certificate issued
July 9, 2025
Expires
July 31, 2032
Last FAA action
July 9, 2025
Airworthiness
Standard · Normal · June 14, 2007
FAA region
Western-Pacific
FAA record id
00362139

Owner as the FAA publishes it

Name
Acmeflight LLC
Type
LLC
Address
1212 13Th St
Santa Rosa, CA 95404-3913

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.

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