N128KS - Schleicher ASK-21 Aircraft Registration

AS21

SCHLEICHER ASK-21

Aircraft Description

N128KS is a Schleicher ASK-21, a none aircraft registered to Mah Richard in Los Alamos, NM. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on December 28, 1985. The registration certificate was issued on February 25, 2021. The registration is set to expire on February 29, 2028. Powered by a None NONE engine, N128KS is. The aircraft's Mode S transponder code is A0725C (hex), used for ADS-B identification and flight tracking. The FAA registry record for N128KS was last updated on April 21, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Schleicher is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 607 Schleicher aircraft currently registered in the FAA database, including the ASK-21 model.

AviatorDB has found no NTSB accident or incident reports involving N128KS. 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
SCHLEICHER
Model
ASK-21
Type Aircraft
Glider
ICAO Type Code
AS21ASK-21Mi
Weight Class
Up to 12,500 lbs
Airworthiness Date
December 28, 1985
Classification
Standard Glider Category
Type Registration
Co-Owned
Status
Valid Registration
Cert Issue Date
February 25, 2021

Registered Owner

Name
MAH RICHARD
Address
4 PRIMROSE LN
City
LOS ALAMOS
State / Zip Code
New Mexico87544-1588
Country
United States

Powerplant & Avionics

Engine Type
None
Number of Engines
Engine Manufacturer
NONE
Engine Model
NONE
Mode S Code (Oct)
50071134
Mode S Code (Hex)
A0725C

Additional Details

Registration
N128KS
Serial Number
21273
Number of Engines
Number of Seats
2
Expiration Date
February 29, 2028
Last Action Date
April 21, 2023
Last Update Date
January 19, 2026
Unique ID
00341606

Data Source

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

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