N4025P - 1981 Ayres Corporation S2R-R1820 Aircraft Registration

A660

1981 AYRES CORPORATION S2R-R1820

Aircraft Description

N4025P is a 1981 Ayres Corporation S2R-R1820, a single-engine reciprocating (piston) aircraft registered to Bob Ruhe Ag Service LLC in Leipsic, OH. This aircraft holds a restricted airworthiness certificate issued by the Federal Aviation Administration on August 14, 1981. The registration certificate was issued on November 18, 2014. The registration is set to expire on November 30, 2027. Powered by a Wright R-1820 SER engine producing 1475 horsepower, N4025P is. The aircraft's Mode S transponder code is A4B724 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N4025P was last updated on April 1, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Ayres S-2R-T660 Turbo Thrush is a specialized agricultural aircraft that represented a technological shift from radial to turboprop power in crop-dusting operations. First flown in its prototype S-2R form on September 9, 1975, with the T660 variant certificated in March 2000, it is a single-seat, low-wing taildragger configuration powered by a Pratt & Whitney Canada PT6A turboprop engine. With an empty weight of 2,336 kg and maximum loaded weight of 5,670 kg, it features a chemical hopper capacity up to 2,273 liters. The aircraft was manufactured by Ayres Corporation in Albany, Georgia. AviatorDB tracks 248 Ayres Corporation aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is A660.

AviatorDB has found no NTSB accident or incident reports involving N4025P. 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
1981
Manufacturer
AYRES CORPORATION
Model
S2R-R1820
Type Aircraft
Fixed Wing Single Engine
ICAO Type Code
A660S-2R-T660 Turbo Thrush
Weight Class
Up to 12,500 lbs
Airworthiness Date
August 14, 1981
Classification
Restricted 1 Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
November 18, 2014

Registered Owner

Name
BOB RUHE AG SERVICE LLC
Address
5450 STATE ROUTE 109
City
LEIPSIC
State / Zip Code
Ohio45856-9438
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
WRIGHT
Engine Model
R-1820 SER
Horsepower
1475 HP
Mode S Code (Oct)
51133444
Mode S Code (Hex)
A4B724

Additional Details

Registration
N4025P
Serial Number
R1820-018DC
Number of Engines
1
Number of Seats
1
Expiration Date
November 30, 2027
Last Action Date
April 1, 2023
Last Update Date
January 19, 2026
Unique ID
00821034

Data Source

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

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