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
N404TK

Blackburn Kenneth ULTRA PUP L-4

Valid Florida

N404TK is a Blackburn Kenneth ULTRA PUP L-4, a fixed-wing airplane with one motor with a piston engine. It has 2 seats. It is registered to an individual in Citra, Florida. The registration is valid: it was issued on March 8, 2010 and expires on February 28, 2030. It holds an experimental airworthiness certificate for amateur built, dated September 7, 2010.

Aircraft

Maker
Blackburn Kenneth
Model
ULTRA PUP L-4
Serial number
9885
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor
Seats
2
Year built
Not given
Transponder code
A4BD30 (octal 51136460)

Registration

Status
Valid registration
Certificate issued
March 8, 2010
Expires
February 28, 2030
Last FAA action
October 7, 2023
Airworthiness
Experimental · Amateur built · September 7, 2010
FAA region
Southern
FAA record id
01049977

Owner as the FAA publishes it

Name
Blackburn Kenneth
Type
Individual
Address
2035 NW 146Th Pl
Citra, FL 32113-3591

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