Piston helicopter

N45SL

2008 Robinson R44 RAVEN II Piston Helicopters

Registered No accidents on file
Built
2008
Serial
12139
Class
Piston helicopter
Engines
Lycoming IO-540-AE1A5
Status
Current as of October 2026
Registered owner
Webb Aviation LLC (LLC)
Based
Watonga, OK
2008 Robinson R44 RAVEN II Piston Helicopters
Representative photo of a Robinson R44 RAVEN II Piston Helicopters. Not a photo of N45SL.
Registration record

N45SL on the FAA register

Type
2008 Robinson R44 RAVEN II Piston Helicopters (FAA: Robinson R44 II)
Serial
12139
Engines
Lycoming IO-540-AE1A5
Registered owner
Webb Aviation LLC
Watonga, OK
Certificate issued
2018-07-26
Airworthiness date
2008-01-28
Registration expires
2028-07-31
Airworthiness class
Standard · normal
Mode S (hex)
A5715E
Mode S (octal)
51270536
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 N45SL.
Registry history

Timeline

  • 2028-07-31
    Registration expires (renewal due).
  • 2018-07-26
    Certificate of registration issued as N45SL.
  • 2008-01-28
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N45SL

N45SL is a 2008 Robinson R44 RAVEN II Piston Helicopters (FAA model R44 II), serial number 12139. The FAA register lists Webb Aviation LLC as the registrant in Watonga, Oklahoma. The current certificate of registration was issued on July 26, 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 January 28, 2008.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N45SL.

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

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N45SL.

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

Same model

More Robinson R44 RAVEN II Piston Helicopters aircraft

All 1,387 Robinson R44 RAVEN II Piston Helicopters registrations →
Same state

Other aircraft registered in Oklahoma

All 5,643 aircraft registered in Oklahoma →
Similar aircraft

Other piston helicopters on the register

  • N518591979 Texas Helicopter OH-13E/M74
  • N1042P1986 Hughes TH-55A
  • N221WM2008 Robinson R22 BETA II Piston Helicopters
  • N168AV2008 Robinson R44 RAVEN I Piston Helicopters
  • N301RW2008 Robinson R22
  • N2140H2008 Schweizer 269C Piston Helicopters
More from Robinson

Robinson models on the register

Own N45SL?

Get a free valuation, digitize the logbooks, or list it on fyiAero.

Free valuation Logbook transcription

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