Piston helicopter

N99645

2013 Robinson R44 Newscopter

Registered 1 NTSB/FAA record
Built
2013
Serial
13448
Class
Piston helicopter
Engines
Lycoming IO-540-AE1A5
Status
Current as of October 2026
Registered owner
Alpine Air Alaska LLC (LLC)
Based
Girdwood, AK
Registration record

N99645 on the FAA register

Type
2013 Robinson R44 Newscopter (FAA: Robinson R44 II)
Serial
13448
Engines
Lycoming IO-540-AE1A5
Registered owner
Alpine Air Alaska LLC
Girdwood, AK
Certificate issued
2018-07-06
Airworthiness date
2013-02-22
Registration expires
2028-07-31
Airworthiness class
Standard · normal
Mode S (hex)
ADEBEF
Mode S (octal)
53365757
Seats (type)
4
Weight class
up to 12,499 lb
Range (type)
279 nm
Cruise (type)
100 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2028-07-31
    Registration expires (renewal due).
  • 2018-08-30
    Accident at Girdwood, AK; damage: substantial.
  • 2018-07-06
    Certificate of registration issued as N99645 to the current registrant.
  • 2013-02-22
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1965-08-12
    N99645 previously assigned to a ERCO / Forney / Alon Ercoupe 415C (s/n 2268); cancelled.
Overview

About N99645

N99645 is a 2013 Robinson R44 Newscopter (FAA model R44 II), serial number 13448. The FAA register lists Alpine Air Alaska LLC as the registrant in Girdwood, Alaska. The current certificate of registration was issued on July 6, 2018 and expires on July 31, 2028.

The FAA aircraft reference file describes the type as a piston helicopter, one Lycoming IO-540-AE1A5 engine and 4 seats. Published figures for the type give a cruise speed of about 100 knots and a range of about 279 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated February 22, 2013.

N99645 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.

Cruise
100 kt
Range
279 nm
Fuel burn
15 gph

Published figures for the Robinson R44 Newscopter type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

2018-08-30 Accident · Girdwood, AK Damage: Substantial NTSB · GAA18CA534
Reported aircraft: Robinson R44
Probable cause: The fisherman's fishing rod striking the helicopter s rotating main rotor disk during loading.
1965-07-10 Accident · Socorro N Mex, 31 Damage: Destroyed NTSB · 3 1579
Reported aircraft: Ercoupe 415C — a different aircraft that carried the N99645 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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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.