Turbine helicopter

N47077

1957 Hiller-Soloy UH-12D Turbine Helicopters

Registered No accidents on file
Built
1957
Serial
947
Class
Turbine helicopter
Engines
Lycoming O-435
Status
Current as of October 2026
Registered owner
Knutson Flying Service Inc (Corporation)
Based
Tioga, ND
Registration record

N47077 on the FAA register

Type
1957 Hiller-Soloy UH-12D Turbine Helicopters
Serial
947
Engines
Lycoming O-435
Registered owner
Knutson Flying Service Inc
Tioga, ND
Certificate issued
1978-09-29
Airworthiness date
1975-06-25
Registration expires
2028-05-31
Airworthiness class
Standard · normal
Mode S (hex)
A5C487
Mode S (octal)
51342207
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-05-31
    Registration expires (renewal due).
  • 1978-09-29
    Certificate of registration issued as N47077.
  • 1975-06-25
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1957
    Manufactured (1957).
Overview

About N47077

N47077 is a 1957 Hiller-Soloy UH-12D Turbine Helicopters, serial number 947. The FAA register lists Knutson Flying Service Inc as the registrant in Tioga, North Dakota. The current certificate of registration was issued on September 29, 1978 and expires on May 31, 2028.

The FAA aircraft reference file describes the type as a turbine helicopter, one Lycoming O-435 engine and 4 seats. Its airworthiness certificate is standard category (normal), dated June 25, 1975.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N47077.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N47077.

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 North Dakota· 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.