N39721 - 1942 Waco UPF-7 Aircraft Registration

WACF

1942 WACO UPF-7

Aircraft Description

N39721 is a 1942 Waco UPF-7, a single-engine reciprocating (piston) aircraft registered to Crnic Paul C in Chesterfield, MO. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on April 25, 1947. The registration certificate was issued on October 10, 2024. The registration is set to expire on October 31, 2031. Powered by a Cont Motor W670 SERIES engine producing 250 horsepower, N39721 is. The aircraft's Mode S transponder code is A49F82 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N39721 was last updated on October 10, 2024. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Waco Aircraft Corporation produced a wide range of biplanes from the 1920s through 1940s. Waco biplanes are among the most sought-after vintage aircraft, with the YMF-5 being reproduced as a modern classic. AviatorDB tracks 678 Waco aircraft currently registered in the FAA database, including the UPF-7 model.

AviatorDB has found no NTSB accident or incident reports involving N39721. 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
1942
Manufacturer
WACO
Model
UPF-7
Type Aircraft
Fixed Wing Single Engine
ICAO Type Code
Cruise Speed
165 mph
Weight Class
Up to 12,500 lbs
Airworthiness Date
April 25, 1947
Classification
Standard Normal Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
October 10, 2024

Registered Owner

Name
CRNIC PAUL C
Address
14304 SPYGLASS RDG
City
CHESTERFIELD
State / Zip Code
Missouri63017-2140
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
CONT MOTOR
Engine Model
W670 SERIES
Horsepower
250 HP
Mode S Code (Oct)
51117602
Mode S Code (Hex)
A49F82

Additional Details

Registration
N39721
Serial Number
5854
Number of Engines
1
Number of Seats
2
Expiration Date
October 31, 2031
Last Action Date
October 10, 2024
Last Update Date
October 10, 2024
Unique ID
00370774

Data Source

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

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