Turbine helicopter

N155UM

2011 Eurocopter EC 155 B1

Registered No accidents on file
Built
2011
Serial
6934
Class
Turbine helicopter
Engines
2 × Turbomeca ARRIEL 2C2
Status
Current as of October 2026
Registered owner
Regents of the University of Michigan (Government)
Based
Ann Arbor, MI
Registration record

N155UM on the FAA register

Type
2011 Eurocopter EC 155 B1
Serial
6934
Engines
2 × Turbomeca ARRIEL 2C2
Registered owner
Regents of the University of Michigan
Ann Arbor, MI
Certificate issued
2018-12-28
Airworthiness date
2012-04-12
Registration expires
2028-12-31
Airworthiness class
Standard · transport
Mode S (hex)
A0DE90
Mode S (octal)
50157220
Seats (type)
6
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-12-31
    Registration expires (renewal due).
  • 2018-12-28
    Certificate of registration issued as N155UM.
  • 2012-04-12
    Airworthiness date on the current FAA record (standard category (transport)).
  • 2011
    Manufactured (2011).
Overview

About N155UM

N155UM is a 2011 Eurocopter EC 155 B1, serial number 6934. The FAA register lists Regents of the University of Michigan as the registrant in Ann Arbor, Michigan. The current certificate of registration was issued on December 28, 2018 and expires on December 31, 2028.

The FAA aircraft reference file describes the type as a turbine helicopter, two Turbomeca ARRIEL 2C2 engines and 6 seats. Its airworthiness certificate is standard category (transport), dated April 12, 2012.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N155UM.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N155UM.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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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.