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
N788MR

Markus Heinimann SLING HW

N788MR is a Markus Heinimann SLING HW, a fixed-wing airplane with one motor with a piston engine. It has 4 seats. It is registered to co-owned owners in Latrobe, Pennsylvania. The registration is valid: it was issued on January 23, 2026 and expires on January 31, 2033. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.

Aircraft

Maker
Markus Heinimann
Model
SLING HW
Serial number
090GK
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor
Seats
4
Year built
Not given
Kit
AIRPLANE FACTORY SLING HW
Transponder code
AAAF61 (octal 52527541)

Registration

Status
Valid registration
Certificate issued
January 23, 2026
Expires
January 31, 2033
Last FAA action
January 23, 2026
Airworthiness
None on file
FAA region
Eastern
FAA record id
01531353

Owner as the FAA publishes it

Name
Heinimann Markus B
Type
Co-owned
Address
154 American Legion Rd
Latrobe, PA 15650-5241
Co-owners
Heinimann Ruth A

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