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Registered aircraft · FAA record as of September 25, 2026
N3939H

Engineering & Research ERCOUPE 415-CD

Valid Montana

N3939H is an Engineering & Research ERCOUPE 415-CD, a fixed-wing airplane with one motor with a piston engine, built in 1947. It has 2 seats. It is registered to Coupe Nh LLC, an LLC in East Helena, Montana. The registration is valid: it was issued on December 26, 2022 and expires on December 31, 2029. It holds a standard airworthiness certificate, dated December 19, 1955. 2 documents are on file: 2 × bill of sale (evidence of ownership).

Aircraft

Maker
Engineering & Research
Model
ERCOUPE 415-CD
Serial number
4640
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Cont Motor A&C75 SERIES · 75 hp
Seats
2
Year built
1947
Cruising speed
90 mph
Transponder code
A49189 (octal 51110611)

Registration

Status
Valid registration
Certificate issued
December 26, 2022
Expires
December 31, 2029
Last FAA action
September 22, 2023
Airworthiness
Standard · December 19, 1955
FAA region
Northwest Mountain
FAA record id
00070694

Owner as the FAA publishes it

Name
Coupe Nh LLC
Type
LLC
Address
PO Box 1165
East Helena, MT 59635-1165

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 2

2026-09-09Bill of sale (evidence of ownership)
2026-09-09Bill of sale (evidence of ownership)

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