Piston helicopter

N22SP

1959 Hiller UH-12E

Registered 1 NTSB/FAA record
Built
1959
Serial
1214
Class
Piston helicopter
Engines
Lycoming VO-540-C2A
Status
Current as of October 2026
Registered owner
Paragon Helicopter Services LLC (LLC)
Based
Claremore, OK
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Registration record

N22SP on the FAA register

Type
1959 Hiller UH-12E
Serial
1214
Engines
Lycoming VO-540-C2A
Registered owner
Paragon Helicopter Services LLC
Claremore, OK
Certificate issued
2010-08-20
Airworthiness date
2006-10-06
Registration expires
2028-02-29
Airworthiness class
Standard · normal
Mode S (hex)
A1E046
Mode S (octal)
50360106
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-02-29
    Registration expires (renewal due).
  • 2026-04-30
    Accident at Chickasha, OK; damage: substantial.
  • 2010-08-20
    Certificate of registration issued as N22SP.
  • 2006-10-06
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1959
    Manufactured (1959).
Overview

About N22SP

N22SP is a 1959 Hiller UH-12E, serial number 1214. The FAA register lists Paragon Helicopter Services LLC as the registrant in Claremore, Oklahoma. The current certificate of registration was issued on August 20, 2010 and expires on February 29, 2028.

The FAA aircraft reference file describes the type as a piston helicopter, one Lycoming VO-540-C2A engine and 4 seats. Its airworthiness certificate is standard category (normal), dated October 6, 2006.

N22SP has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2026-04-30 Accident · Chickasha, OK Damage: Substantial NTSB · CEN26LA175
Reported aircraft: Hiller UH-12E
Preliminary report: On April 30, 2026, about 1730 central daylight time, a Hiller UH-12E, N22SP, was substantially damaged when it was involved in an accident near Chickasha, Oklahoma. The pilot was not injured. The helicopter was operated as a Title 14 Code of Federal Regulations Part 137 aerial application flight. The pilot reported that he had completed two aerial application flights earlier that day and performed preflight inspections before both. About 1700, he began spraying a field and during the flight, the main rotor “developed a vertical hop,” and he observed one of the control rotor blades separate from the helicopter. The helicopter violently shook, and he conducted a forced landing to a field.…
NTSB report ↗

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.