Single-engine piston

N55AD

1977 Arctic Aircraft Co S-1B2

Registered 1 NTSB/FAA record
Built
1977
Serial
1006
Class
Single-engine piston
Engines
Lycoming O-320 series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Steamboat Springs, CO
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Registration record

N55AD on the FAA register

Type
1977 Arctic Aircraft Co S-1B2
Serial
1006
Engines
Lycoming O-320 series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Steamboat Springs, CO
Certificate issued
2011-05-06
Airworthiness date
1980-03-04
Registration expires
2027-05-31
Airworthiness class
Standard · normal
Mode S (hex)
A6FD16
Mode S (octal)
51576426
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-05-31
    Registration expires (renewal due).
  • 2011-05-06
    Certificate of registration issued as N55AD.
  • 2004-04-23
    Accident at Big Lake, AK; damage: substantial.
  • 1980-03-04
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1977
    Manufactured (1977).
Overview

About N55AD

N55AD is a 1977 Arctic Aircraft Co S-1B2, serial number 1006. It is registered to an individual in Steamboat Springs, Colorado. The current certificate of registration was issued on May 6, 2011 and expires on May 31, 2027.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming O-320 series engine and 2 seats. Its airworthiness certificate is standard category (normal), dated March 4, 1980.

N55AD has 1 accident/incident record on file (most serious damage: substantial); details are below. 2 earlier records involve a different aircraft that carried the same N-number.

Safety record

Accident & incident history

2004-04-23 Accident · Big Lake, AK Damage: Substantial Serious injury NTSB · ANC04LA045
Reported aircraft: Arctic Aircraft S-1B2
Probable cause: The flight instructor's failure to insure that the carburetor heat was activated by the dual student following a simulated loss of engine power, which resulted in carburetor ice and the actual loss of engine power during a descent. A factor associated with the accident is carburetor icing weather conditions.
1990-05-26 Accident · Beluga River, AK Damage: Substantial NTSB · ANC90LA080
Reported aircraft: Interstate S1B1 — a different aircraft that carried the N55AD registration before this airframe.
Probable cause: THE PILOT SELECTED UNSUITABLE TERRAIN. CONTRIBUTING FACTORS WERE THE SOFT TERRAIN AND THE PILOT'S LACK OF EXPERIENCE IN OFF-AIRPORT OPERATIONS.
1988-08-24 Accident · Hartman River, AK Damage: Substantial NTSB · ANC88LA116
Reported aircraft: Artic Aircraft S-1B2 — a different aircraft that carried the N55AD registration before this airframe.

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.