Piston helicopter

N637HP

2007 Robinson R44 RAVEN II Piston Helicopters

Registered 1 NTSB/FAA record
Built
2007
Serial
11942
Class
Piston helicopter
Engines
Lycoming IO-540-AE1A5
Status
Current as of October 2026
Registered owner
Smt Ops Inc (Corporation)
Based
Setauket, NY
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2007 Robinson R44 RAVEN II Piston Helicopters
Representative photo of a Robinson R44 RAVEN II Piston Helicopters. Not a photo of N637HP.
Registration record

N637HP on the FAA register

Type
2007 Robinson R44 RAVEN II Piston Helicopters (FAA: Robinson R44 II)
Serial
11942
Engines
Lycoming IO-540-AE1A5
Registered owner
Smt Ops Inc
Setauket, NY
Certificate issued
2018-12-17
Airworthiness date
2007-09-13
Registration expires
2028-12-31
Airworthiness class
Standard · normal
Mode S (hex)
A8587A
Mode S (octal)
52054172
Seats (type)
4
Weight class
up to 12,499 lb
Range (type)
279 nm
Cruise (type)
100 kt
Status
Current as of October 2026
Market asking range
$277,500 to $442,000
Middle half of 29 live Robinson R44 RAVEN II Piston Helicopters listings, 2003–2017 models (median $350,000). Asking prices, not an appraisal of N637HP.
Registry history

Timeline

  • 2028-12-31
    Registration expires (renewal due).
  • 2021-10-10
    Accident at Cornwall, NY; damage: destroyed.
  • 2018-12-17
    Certificate of registration issued as N637HP.
  • 2007-09-13
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N637HP

N637HP is a 2007 Robinson R44 RAVEN II Piston Helicopters (FAA model R44 II), serial number 11942. The FAA register lists Smt Ops Inc as the registrant in Setauket, New York. The current certificate of registration was issued on December 17, 2018 and expires on December 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 September 13, 2007.

N637HP has 1 accident/incident record on file (most serious damage: destroyed); details are below.

Cruise
100 kt
Range
279 nm
Fuel burn
15 gph

Published figures for the Robinson R44 RAVEN II Piston Helicopters type. They describe the model, not this airframe's equipment or condition. Robinson R44 RAVEN II Piston Helicopters specs, prices and for-sale inventory →

Safety record

Accident & incident history

2021-10-10 Accident · Cornwall, NY Damage: Destroyed Fatal injury NTSB · ERA22FA010
Reported aircraft: Robinson R44 II
Probable cause: The non-instrument-rated pilot s continued flight into deteriorating weather conditions, which resulted in a loss of control due to spatial disorientation.

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

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Same state

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Browse: Robinson aircraft for sale· Robinson R44 RAVEN II Piston Helicopters overview· Aircraft registered in New York· 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.