FAA Aircraft Registry · Live Lookup · As of Apr 28, 2026

N421GB — Alexander Schleicher Gmbh & ASK 21

Rendered live from the FAA Aircraft Registry (refreshed weekly). This tail has no NTSB events or airworthiness directives indexed against it — type-level history is on the type page below.

Registration

Registrant

GREATER BOSTON SOARING CLUB INC

Registrant Type

Corporation

Location

STERLING, MA

Status

Registration Valid

Certificate Issued

Aug 12, 2016

Airworthiness Date

Sep 14, 2016

Registration Expires

Aug 31, 2029

Last Action

Aug 25, 2023

Aircraft

Serial Number

21937

Year Manufactured

2016

Aircraft Type

Glider

Certification

Standard (+1 flag)

Engine

NONE NONE

Engines / Seats

— / 2

Weight Class

CLASS 1

Mode S (Hex)

A4FFEE

Type History

Alexander Schleicher Gmbh & ASK 21 type page → — 26 registered · 3 NTSB records · 0 airworthiness directives

Live position via ICAO24 A4FFEE

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