Piston helicopter

N923SM

1991 Robinson R22 Mariner

Registered 1 NTSB/FAA record
Built
1991
Serial
1923M
Class
Piston helicopter
Engines
Lycoming O-320 series
Status
Current as of October 2026
Registered owner
N923Sm LLC (LLC)
Based
Rehoboth Beach, DE
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Registration record

N923SM on the FAA register

Type
1991 Robinson R22 Mariner
Serial
1923M
Engines
Lycoming O-320 series
Registered owner
N923Sm LLC
Rehoboth Beach, DE
Certificate issued
2014-11-10
Airworthiness date
1991-08-26
Registration expires
2027-11-30
Airworthiness class
Standard · normal
Mode S (hex)
ACCAEB
Mode S (octal)
53145353
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-11-30
    Registration expires (renewal due).
  • 2018-05-02
    Accident at Panama City, FL; damage: substantial.
  • 2014-11-10
    Certificate of registration issued as N923SM to the current registrant.
  • 1991-08-26
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1989-04-19
    N923SM previously assigned to a Piper Seneca II (s/n 347970069); cancelled.
Overview

About N923SM

N923SM is a 1991 Robinson R22 Mariner, serial number 1923M. The FAA register lists N923Sm LLC as the registrant in Rehoboth Beach, Delaware. The current certificate of registration was issued on November 10, 2014 and expires on November 30, 2027.

The FAA aircraft reference file describes the type as a piston helicopter, one Lycoming O-320 series engine and 2 seats. Its airworthiness certificate is standard category (normal), dated August 26, 1991.

N923SM has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2018-05-02 Accident · Panama City, FL Damage: Substantial Minor injury NTSB · ERA18LA140
Reported aircraft: Robinson R22
Probable cause: The pilot's failure to properly remove and secure the tie-down ropes during the preflight inspection, which resulted in the ropes becoming entangled in the rotor head swashplate and pitch control rods during flight and the subsequent loss of pitch control.

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

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Browse: Robinson aircraft for sale· Aircraft registered in Delaware· 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.