Glider

N421GB

2016 Schleicher ASK-21

Registered No accidents on file
Built
2016
Serial
21937
Class
Glider
Engines
None NONE
Status
Current as of October 2026
Registered owner
Greater Boston Soaring Club Inc (Corporation)
Based
Sterling, MA
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Registration record

N421GB on the FAA register

Type
2016 Schleicher ASK-21 (FAA: Alexander Schleicher Gmbh & Co ASK 21)
Serial
21937
Engines
None NONE
Registered owner
Greater Boston Soaring Club Inc
Sterling, MA
Certificate issued
2016-08-12
Airworthiness date
2016-09-14
Registration expires
2029-08-31
Airworthiness class
Standard · normal
Mode S (hex)
A4FFEE
Mode S (octal)
51177756
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-08-31
    Registration expires (renewal due).
  • 2016-09-14
    Airworthiness date on the current FAA record (standard category (normal)).
  • 2016-08-12
    Certificate of registration issued as N421GB to the current registrant.
  • 2003-08-11
    N421GB previously assigned to a Cessna 421A (s/n 421A0116); cancelled.
Overview

About N421GB

N421GB is a 2016 Schleicher ASK-21 (FAA model ASK 21), serial number 21937. The FAA register lists Greater Boston Soaring Club Inc as the registrant in Sterling, Massachusetts. The current certificate of registration was issued on August 12, 2016 and expires on August 31, 2029.

The FAA aircraft reference file describes the type as a glider and 2 seats. Its airworthiness certificate is standard category (normal), dated September 14, 2016.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N421GB.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N421GB.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Same state

Other aircraft registered in Massachusetts

N4211R
1969 Piper Cherokee 6/300
N42172
1945 Piper J-3 Cub
N421BX
Cessna 421B
N421TW
1978 Cessna 182Q Skylane
N422JF
2007 Daher TBM 700
N4231J
1967 Piper Cherokee 140
All 2,649 aircraft registered in Massachusetts →
Similar aircraft

Other gliders on the register

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  • N1XE1973 Glasflugel Standard Libelle
  • N341PW2002 PZL PW-5
  • N1108S1970 Schweizer SGS 1-26D
  • N232WE1977 Schweizer SGS 2-32
  • N555CF1974 Schweizer SGS 1-34
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Browse: Aircraft registered in Massachusetts· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.