Single-engine piston

N191SW

1999 Hammond R M/Hamm Air Sidewinder

Registered No accidents on file
Built
1999
Serial
237
Class
Single-engine piston
Engines
Lycoming O-290 series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Enid, OK
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Registration record

N191SW on the FAA register

Type
1999 Hammond R M/Hamm Air Sidewinder
Serial
237
Engines
Lycoming O-290 series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Enid, OK
Certificate issued
2010-03-04
Airworthiness date
1999-07-26
Registration expires
2029-10-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A16D87
Mode S (octal)
50266607
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-10-31
    Registration expires (renewal due).
  • 2010-03-04
    Certificate of registration issued as N191SW.
  • 1999-07-26
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N191SW

N191SW is a 1999 Hammond R M/Hamm Air Sidewinder, serial number 237. It is registered to an individual in Enid, Oklahoma. The current certificate of registration was issued on March 4, 2010 and expires on October 31, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming O-290 series engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated July 26, 1999.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N191SW.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N191SW.

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

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Browse: Aircraft registered in Oklahoma· 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.