N6588 - Sportavia-putzer SFS31 Aircraft Registration

SF31

SPORTAVIA-PUTZER SFS31

Aircraft Description

N6588 is a Sportavia-putzer SFS31, a single-engine reciprocating (piston) aircraft registered to Deffner Gerhard Paul Heinrich in Mckinney, TX. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on May 3, 1980. The registration certificate was issued on May 9, 2019. The registration is set to expire on May 31, 2029. Powered by a Rectimo 4AR 1200 engine producing 40 horsepower, N6588 is. The aircraft's Mode S transponder code is A8ADE2 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N6588 was last updated on August 4, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The SFS-31 Milan was an innovative single-seat motorglider that demonstrated how proven components from different manufacturers could create an efficient aircraft design. First flown on August 31, 1969, it combined the fuselage of the Fournier RF-4 with the 15-meter wing of the Scheibe SF-27M glider. The 49-foot wingspan aircraft achieved an impressive 29:1 lift-to-drag ratio and could cruise at 112 mph powered by a 39-horsepower converted Volkswagen engine. Sportavia-Pützer produced only 12-13 examples between 1969 and the early 1970s. AviatorDB tracks 14 Sportavia-putzer aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is SF31.

AviatorDB has found no NTSB accident or incident reports involving N6588. 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
SPORTAVIA-PUTZER
Model
SFS31
Type Aircraft
Glider
ICAO Type Code
SF31SFS-31 Milan
Cruise Speed
60 mph
Weight Class
Up to 12,500 lbs
Airworthiness Date
May 3, 1980
Classification
Experimental 4 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
May 9, 2019

Registered Owner

Name
DEFFNER GERHARD PAUL HEINRICH
Address
108 1/2 W VIRGINIA ST
City
MCKINNEY
State / Zip Code
Texas75069-4423
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
RECTIMO
Engine Model
4AR 1200
Horsepower
40 HP
Mode S Code (Oct)
52126742
Mode S Code (Hex)
A8ADE2

Additional Details

Registration
N6588
Serial Number
6611
Number of Engines
1
Number of Seats
1
Expiration Date
May 31, 2029
Last Action Date
August 4, 2023
Last Update Date
August 4, 2023
Unique ID
00932746

Data Source

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

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