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Registered aircraft · FAA record as of September 25, 2026
N278DS

Diamond Aircraft DA 40

Valid Electric airplaneDelaware

N278DS is a Diamond Aircraft DA 40, a fixed-wing airplane with one motor with a piston engine, built in 2003. It has 4 seats. It is registered to Relm Air LLC, an LLC in Wilmington, Delaware. The registration is valid: it was issued on March 31, 2021 and expires on March 31, 2028. It holds a standard airworthiness certificate for normal; utility, dated April 8, 2003.

Diamond Aircraft: eDA40 electric trainer, Austria

Aircraft

Maker
Diamond Aircraft (Austria)
FAA spelling: DIAMOND AIRCRAFT IND INC
Model
DA 40
Serial number
40.278
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Lycoming I0360 SER · 180 hp
Seats
4
Year built
2003
Transponder code
A2C490 (octal 50542220)

Registration

Status
Valid registration
Certificate issued
March 31, 2021
Expires
March 31, 2028
Last FAA action
October 4, 2025
Airworthiness
Standard · Normal; Utility · April 8, 2003
FAA region
Eastern
FAA record id
00040149

Owner as the FAA publishes it

Name
Relm Air LLC
Type
LLC
Address
271 Little Falls Dr
Wilmington, DE 19808

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