Turbine helicopter

N102UM

1981 Aerospatiale AS-355E TWIN Star

Registered 1 NTSB/FAA record
Built
1981
Serial
5075
Class
Turbine helicopter
Engines
2 × Allison 250-C20 series
Status
Current as of October 2026
Registered owner
Timberland Helicopters Inc (Corporation)
Based
Ashland, OR
Registration record

N102UM on the FAA register

Type
1981 Aerospatiale AS-355E TWIN Star
Serial
5075
Engines
2 × Allison 250-C20 series
Registered owner
Timberland Helicopters Inc
Ashland, OR
Certificate issued
2017-05-02
Airworthiness date
1984-04-19
Registration expires
2027-05-31
Airworthiness class
Standard · normal
Mode S (hex)
A00DF0
Mode S (octal)
50006760
Seats (type)
7
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-05-31
    Registration expires (renewal due).
  • 2023-07-19
    Accident at Farmington, UT; damage: substantial.
  • 2017-05-02
    Certificate of registration issued as N102UM.
  • 1984-04-19
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1981
    Manufactured (1981).
Overview

About N102UM

N102UM is a 1981 Aerospatiale AS-355E TWIN Star, serial number 5075. The FAA register lists Timberland Helicopters Inc as the registrant in Ashland, Oregon. The current certificate of registration was issued on May 2, 2017 and expires on May 31, 2027.

The FAA aircraft reference file describes the type as a turbine helicopter, two Allison 250-C20 series engines and 7 seats. Its airworthiness certificate is standard category (normal), dated April 19, 1984.

N102UM has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2023-07-19 Accident · Farmington, UT Damage: Substantial NTSB · WPR23LA278
Reported aircraft: Aerospatiale AS-355E TWIN Star
Probable cause: The premature failure of one of the No. 2 engine compressor bleed valve, which resulted in a partial loss of power to that engine.

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 Oregon· 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.