Turbine helicopter

N6638P

Hughes OH-6A

Registered 1 NTSB/FAA record
Built
—
Serial
67-16333
Class
Turbine helicopter
Engines
1
Status
Current as of October 2026
Registered owner
Usda Aphis Ws Atoc (Government)
Based
Cedar City, UT
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Registration record

N6638P on the FAA register

Type
Hughes OH-6A
Serial
67-16333
Engines
1
Registered owner
Usda Aphis Ws Atoc
Cedar City, UT
Certificate issued
2011-06-15
Airworthiness date
—
Registration expires
2027-06-30
Airworthiness class
—
Mode S (hex)
A8C2DC
Mode S (octal)
52141334
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-06-30
    Registration expires (renewal due).
  • 2011-06-15
    Certificate of registration issued as N6638P to the current registrant.
  • 1997-04-15
    Accident at Marfa, TX; damage: substantial.
  • 1983-05-10
    N6638P previously assigned to a Piper Comanche 250 (s/n 24-1760); cancelled.
Overview

About N6638P

N6638P is a Hughes OH-6A, serial number 67-16333. The FAA register lists Usda Aphis Ws Atoc as the registrant in Cedar City, Utah. The current certificate of registration was issued on June 15, 2011 and expires on June 30, 2027.

The FAA aircraft reference file describes the type as a turbine helicopter and 4 seats.

N6638P has 1 accident/incident record on file (most serious damage: substantial); details are below. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1997-04-15 Accident · Marfa, TX Damage: Substantial NTSB · FTW97TA162
Reported aircraft: Hughes OH-6A
Probable cause: the pilot's improper touchdown, and the designated examiner's inadequate supervision. The light condition at dusk was a related factor.
1964-12-10 Accident · Philadelphia Pa, 38 Damage: Substantial NTSB · 3 3630
Reported aircraft: Piper PA24 — a different aircraft that carried the N6638P registration before this airframe.
Probable cause: HREADS. MFG SERVICE BULLETING NOT COMPLIED WITH.

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 Utah· 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.