N504DH - 1958 Sikorsky S58E Aircraft Registration

S58P

1958 SIKORSKY S58E

Aircraft Description

N504DH is a 1958 Sikorsky S58E, a single-engine reciprocating (piston) aircraft registered to Van Surdam John R in Seneca, SC. This aircraft holds a multiple airworthiness certificate issued by the Federal Aviation Administration on March 16, 1990. The registration certificate was issued on February 28, 2001. The registration is set to expire on July 31, 2029. Powered by a Wright R-1820 SER engine producing 1475 horsepower, N504DH is. The aircraft's Mode S transponder code is A6491F (hex), used for ADS-B identification and flight tracking. The FAA registry record for N504DH was last updated on August 18, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Sikorsky S-58 was a pioneering anti-submarine helicopter that significantly advanced naval aviation capabilities in the 1950s. First flown in March 1954, it was a single-rotor helicopter powered by a Wright R-1820 radial engine, capable of carrying 12-16 passengers or sophisticated sonar equipment for submarine hunting. With a production run totaling over 2,300 aircraft including international variants, it was manufactured by Sikorsky Aircraft Corporation. AviatorDB tracks 843 Sikorsky aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is S58P.

AviatorDB has found no NTSB accident or incident reports involving N504DH. 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
1958
Manufacturer
SIKORSKY
Model
S58E
Type Aircraft
Rotorcraft
ICAO Type Code
S58PS-58
Cruise Speed
81 mph
Weight Class
12,500–19,999 lbs
Airworthiness Date
March 16, 1990
Classification
Multiple 1 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
February 28, 2001

Registered Owner

Name
VAN SURDAM JOHN R
Address
130 STEARMAN LN
City
SENECA
State / Zip Code
South Carolina29678-2059
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)
51444437
Mode S Code (Hex)
A6491F

Additional Details

Registration
N504DH
Serial Number
58814
Number of Engines
1
Number of Seats
14
Expiration Date
July 31, 2029
Last Action Date
August 18, 2023
Last Update Date
August 18, 2023
Unique ID
00531686

Data Source

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

Last updated: 2026-05-15 01:32:20 UTC