Single-engine piston

N21HK

1976 Grumman/American General AA5A Cheetah

Registered No accidents on file
Built
1976
Serial
AA5A-0257
Class
Single-engine piston
Engines
Lycoming O-320-E2G
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Boston, MA
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Registration record

N21HK on the FAA register

Type
1976 Grumman/American General AA5A Cheetah (FAA: Grumman American Avn. AA-5A)
Serial
AA5A-0257
Engines
Lycoming O-320-E2G
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Boston, MA
Certificate issued
2025-08-11
Airworthiness date
2022-04-12
Registration expires
2032-08-31
Airworthiness class
Standard · normal
Mode S (hex)
A1B7E2
Mode S (octal)
50333742
Seats (type)
4
Weight class
up to 12,499 lb
Range (type)
428 nm
Cruise (type)
127 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2032-08-31
    Registration expires (renewal due).
  • 2025-08-11
    Certificate of registration issued as N21HK to the current registrant.
  • 2022-04-12
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1995-08-08
    N21HK previously assigned to a Bell 206L-3 (s/n 51489); cancelled.
  • 1976
    Manufactured (1976).
Overview

About N21HK

N21HK is a 1976 Grumman/American General AA5A Cheetah (FAA model AA-5A), serial number AA5A-0257. It is registered to an individual in Boston, Massachusetts. The current certificate of registration was issued on August 11, 2025 and expires on August 31, 2032.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming O-320-E2G engine and 4 seats. Published figures for the type give a cruise speed of about 127 knots and a range of about 428 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated April 12, 2022.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N21HK.

Cruise
127 kt
Range
428 nm
Takeoff over 50 ft
880 ft
Landing over 50 ft
380 ft
Fuel burn
12 gph

Published figures for the Grumman/American General AA5A Cheetah type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N21HK.

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

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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.