N121XS - 1982 Sikorsky UH-60A Aircraft Registration

1982 SIKORSKY UH-60A

Aircraft Description

N121XS is a 1982 Sikorsky UH-60A, a twin-engine turbo-shaft aircraft registered to Ace Aeronautics LLC in Guntersville, AL. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on September 2, 2025. The registration certificate was issued on June 6, 2023. The registration is set to expire on June 30, 2030. Powered by a Ge T700-GE-701D engine producing 1994 horsepower, N121XS is. The aircraft's Mode S transponder code is A05987 (hex), used for ADS-B identification and flight tracking. N121XS was last tracked by AviatorDB at coordinates 34.3777, -86.2739 on March 10, 2026. The FAA registry record for N121XS was last updated on June 6, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Sikorsky Aircraft, a Lockheed Martin company based in Stratford, Connecticut, manufactures military and commercial helicopters. Known for the UH-60 Black Hawk and S-76 series, Sikorsky has been a leading rotorcraft manufacturer since 1923. AviatorDB tracks 843 Sikorsky aircraft currently registered in the FAA database, including the UH-60A model.

AviatorDB has found no NTSB accident or incident reports involving N121XS. 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
1982
Manufacturer
SIKORSKY
Model
UH-60A
Type Aircraft
Rotorcraft
Weight Class
20,000+ lbs
Airworthiness Date
September 2, 2025
Classification
Experimental 1 Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
June 6, 2023

Registered Owner

Name
ACE AERONAUTICS LLC
Address
105 BUCK ISLAND RD
City
GUNTERSVILLE
State / Zip Code
Alabama35976-8697
Country
United States

Powerplant & Avionics

Engine Type
Turbo-shaft
Number of Engines
2
Engine Manufacturer
GE
Engine Model
T700-GE-701D
Horsepower
1994 HP
Mode S Code (Oct)
50054607
Mode S Code (Hex)
A05987

Additional Details

Registration
N121XS
Serial Number
82-23660
Number of Engines
2
Number of Seats
15
Expiration Date
June 30, 2030
Last Action Date
June 6, 2023
Last Update Date
January 19, 2026
Unique ID
01407590

Last Known Position

Date
March 10, 2026 (UTC 17:56:49)
Airport
Latitude
34.377686
Longitude
-86.273897

Data Source

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

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