Piston helicopter

N7173S

1965 Hiller UH-12E

Registered 2 NTSB/FAA records
Built
1965
Serial
2351
Class
Piston helicopter
Engines
Allison 250-C20 series
Status
Current as of October 2026
Registered owner
Craig Helicopters Inc (Corporation)
Based
Craig, CO
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Registration record

N7173S on the FAA register

Type
1965 Hiller UH-12E
Serial
2351
Engines
Allison 250-C20 series
Registered owner
Craig Helicopters Inc
Craig, CO
Certificate issued
1998-08-29
Airworthiness date
1990-12-10
Registration expires
2028-03-31
Airworthiness class
Standard · normal
Mode S (hex)
A998E0
Mode S (octal)
52314340
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-03-31
    Registration expires (renewal due).
  • 2020-02-01
    Accident at Dinosaur, CO; damage: substantial.
  • 1998-08-29
    Certificate of registration issued as N7173S to the current registrant.
  • 1991-09-18
    Accident at Vernal, UT; damage: destroyed.
  • 1990-12-10
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1970-04-23
    N7173S previously assigned to a Cessna 150H (s/n 15067873); cancelled.
  • 1965
    Manufactured (1965).
Overview

About N7173S

N7173S is a 1965 Hiller UH-12E, serial number 2351. The FAA register lists Craig Helicopters Inc as the registrant in Craig, Colorado. The current certificate of registration was issued on August 29, 1998 and expires on March 31, 2028.

The FAA aircraft reference file describes the type as a piston helicopter, one Allison 250-C20 series engine and 4 seats. Its airworthiness certificate is standard category (normal), dated December 10, 1990.

N7173S has 2 accident/incident records on file (most serious damage: destroyed); details are below. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

2020-02-01 Accident · Dinosaur, CO Damage: Substantial NTSB · CEN20LA073
Reported aircraft: Hiller UH 12E
Probable cause: Failure of a S4 compressor blade due to a fatigue crack that likely initiated at a corrosion pit. Contributing to the accident was maintenance personnel s failure to detect the corrosion pits during maintenance.
1991-09-18 Accident · Vernal, UT Damage: Destroyed NTSB · SEA91TL#02
Reported aircraft: Hiller-Soloy UH-12E
1970-04-01 Accident · Burke,Va, 46 Damage: Destroyed NTSB · 3 0318
Reported aircraft: Cessna 150H — a different aircraft that carried the N7173S registration before this airframe.
Probable cause: OURSE WHEN ACDNT OCCURRED.

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 Colorado· 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.