Single-engine piston

N52MM

Cessna 210N

Registered 1 NTSB/FAA record
Built
—
Serial
21064870
Class
Single-engine piston
Engines
Continental IO 520 series
Status
Current as of October 2026
Registered owner
Happy Sky LLC (LLC)
Based
Brooklyn, NY
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Cessna 210N
Representative photo of a Cessna 210N. Not a photo of N52MM.
Registration record

N52MM on the FAA register

Type
Cessna 210N
Serial
21064870
Engines
Continental IO 520 series
Registered owner
Happy Sky LLC
Brooklyn, NY
Certificate issued
2022-06-01
Airworthiness date
1988-11-17
Registration expires
2029-06-30
Airworthiness class
Standard · normal
Mode S (hex)
A687B4
Mode S (octal)
51503664
Seats (type)
6
Weight class
up to 12,499 lb
Range (type)
1,100 nm
Cruise (type)
155 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2029-06-30
    Registration expires (renewal due).
  • 2022-06-01
    Certificate of registration issued as N52MM.
  • 2021-08-02
    Accident at Somerville, NJ; damage: substantial.
  • 1988-11-17
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N52MM

N52MM is a Cessna 210N, serial number 21064870. The FAA register lists Happy Sky LLC as the registrant in Brooklyn, New York. The current certificate of registration was issued on June 1, 2022 and expires on June 30, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Continental IO 520 series engine and 6 seats. Published figures for the type give a cruise speed of about 155 knots and a range of about 1,100 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated November 17, 1988.

N52MM has 1 accident/incident record on file (most serious damage: substantial); details are below.

Cruise
155 kt
Range
1,100 nm
Fuel burn
22 gph

Published figures for the Cessna 210N type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

2021-08-02 Accident · Somerville, NJ Damage: Substantial NTSB · ERA21LA315
Reported aircraft: Cessna 210N
Probable cause: The pilot s failure to extend the landing gear, which resulted in a gear up landing and substantial damage to the fuselage.

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.