N88MR - Milligan Ralph D Thorp T-18 Aircraft Registration

MILLIGAN RALPH D THORP T-18

Aircraft Description

N88MR is a Milligan Ralph D THORP T-18, a single-engine reciprocating (piston) aircraft registered to Sale Reported in Oconomowoc, WI. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on September 17, 1988. Powered by a Lycoming 0-320 SERIES engine producing 180 horsepower, N88MR is. The aircraft's Mode S transponder code is AC1C9F (hex), used for ADS-B identification and flight tracking. N88MR was last tracked by AviatorDB at coordinates 43.0233, -88.2318 on February 16, 2026. The FAA registry record for N88MR was last updated on August 25, 2025. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Milligan Ralph D is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Milligan Ralph D aircraft currently registered in the FAA database, including the THORP T-18 model.

AviatorDB has found no NTSB accident or incident reports involving N88MR. 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
MILLIGAN RALPH D
Model
THORP T-18
Type Aircraft
Fixed Wing Single Engine
Weight Class
Up to 12,500 lbs
Airworthiness Date
September 17, 1988
Classification
Experimental 2 Category
Type Registration
Individual
Status
17
Cert Issue Date

Registered Owner

Name
SALE REPORTED
Address
W349S2170 WATERVILLE RD
City
OCONOMOWOC
State / Zip Code
Wisconsin53066-9464
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
LYCOMING
Engine Model
0-320 SERIES
Horsepower
180 HP
Mode S Code (Oct)
53016237
Mode S Code (Hex)
AC1C9F

Additional Details

Registration
N88MR
Serial Number
814
Number of Engines
1
Number of Seats
2
Expiration Date
Last Action Date
August 25, 2025
Last Update Date
January 19, 2026
Unique ID
00894011

Last Known Position

Date
April 30, 2026 (UTC 21:51:20)
Airport
Latitude
43.041000366211
Longitude
-88.237098693848

Data Source

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

Last updated: 2026-05-01 01:32:20 UTC