N899PS - 2005 Hester Walker WH4 Harpoon Aircraft Registration

WH4

2005 Hester Walker WH4 HARPOON

Aircraft Description

N899PS is a 2005 Hester Walker WH4 HARPOON, a single-engine turbo-prop aircraft registered to Modular Solutions INC in Kinston, NC. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on December 10, 2005. The registration certificate was issued on September 8, 2016. The registration is set to expire on September 30, 2029. Powered by a Walter 601D engine producing 724 horsepower, N899PS is. The aircraft's Mode S transponder code is AC6819 (hex), used for ADS-B identification and flight tracking. N899PS was last tracked by AviatorDB at coordinates 35.3314, -77.6088 on March 1, 2025. The FAA registry record for N899PS was last updated on January 16, 2025. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Hester Walker is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Hester Walker aircraft currently registered in the FAA database, including the WH4 HARPOON model.

AviatorDB has found no NTSB accident or incident reports involving N899PS. 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
2005
Manufacturer
Hester Walker
Model
WH4 HARPOON
Type Aircraft
Fixed Wing Single Engine
ICAO Type Code
WH4WH-4 Harpoon
Weight Class
Up to 12,500 lbs
Airworthiness Date
December 10, 2005
Classification
Experimental 2 Category
Type Registration
Corporation
Status
Valid Registration
Cert Issue Date
September 8, 2016

Registered Owner

Name
MODULAR SOLUTIONS INC
Address
546 OLD ASPHALT RD
City
KINSTON
State / Zip Code
North Carolina28504-4672
Country
United States

Powerplant & Avionics

Engine Type
Turbo-prop
Number of Engines
1
Engine Manufacturer
WALTER
Engine Model
601D
Horsepower
724 HP
Mode S Code (Oct)
53064031
Mode S Code (Hex)
AC6819

Additional Details

Registration
N899PS
Serial Number
0004
Number of Engines
1
Number of Seats
4
Expiration Date
September 30, 2029
Last Action Date
January 16, 2025
Last Update Date
January 19, 2026
Unique ID
00209069

Last Known Position

Date
March 1, 2025 (UTC 15:16:55)
Airport
Latitude
35.331402
Longitude
-77.608803

Data Source

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

Last updated: 2026-08-15 01:32:20 UTC