N477BH - Robert H Hammer L4X Aircraft Registration

FK14

ROBERT H HAMMER L4X

Aircraft Description

N477BH is a Robert H Hammer L4X, a single-engine reciprocating (piston) aircraft registered to Hammer Robert H in Kirkland, WA. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on May 2, 2016. The registration certificate was issued on September 29, 2014. The registration is set to expire on September 30, 2027. The aircraft is configured with 2 seats. The aircraft's Mode S transponder code is A5DB3C (hex), used for ADS-B identification and flight tracking. N477BH was last tracked by AviatorDB at coordinates 47.9063, -122.2820 on September 29, 2024. The FAA registry record for N477BH was last updated on March 17, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Robert H Hammer is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Robert H Hammer aircraft currently registered in the FAA database, including the L4X model.

AviatorDB has found no NTSB accident or incident reports involving N477BH. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
Manufacturer
ROBERT H HAMMER
Model
L4X
Type Aircraft
Fixed Wing Single Engine
ICAO Type Code
FK14FK-14 Polaris
Weight Class
Up to 12,500 lbs
Airworthiness Date
May 2, 2016
Classification
Experimental 2 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
September 29, 2014

Registered Owner

Name
HAMMER ROBERT H
Address
4723 110TH AVE NE
City
KIRKLAND
State / Zip Code
Washington98033-7726
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Mode S Code (Oct)
51355474
Mode S Code (Hex)
A5DB3C

Additional Details

Registration
N477BH
Serial Number
1
Number of Engines
1
Number of Seats
2
Expiration Date
September 30, 2027
Last Action Date
March 17, 2023
Last Update Date
January 19, 2026
Unique ID
01161013

Last Known Position

Date
September 29, 2024 (UTC 22:11:41)
Airport
Latitude
47.9063
Longitude
-122.281998

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-04-01 01:32:20 UTC