Piston helicopter

N435DE

2005 Robinson R44 RAVEN II Piston Helicopters

Registered No accidents on file
Built
2005
Serial
10605
Class
Piston helicopter
Engines
Lycoming IO-540 series
Status
Current as of October 2026
Registered owner
Thunderbird Aero LLC (LLC)
Based
Mertzon, TX
2005 Robinson R44 RAVEN II Piston Helicopters
Representative photo of a Robinson R44 RAVEN II Piston Helicopters. Not a photo of N435DE.
Registration record

N435DE on the FAA register

Type
2005 Robinson R44 RAVEN II Piston Helicopters (FAA: Robinson R44 II)
Serial
10605
Engines
Lycoming IO-540 series
Registered owner
Thunderbird Aero LLC
Mertzon, TX
Certificate issued
2026-04-24
Airworthiness date
2005-01-11
Registration expires
2033-04-30
Airworthiness class
Standard · normal
Mode S (hex)
A53601
Mode S (octal)
51233001
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
$276,250 to $429,000
Middle half of 28 live Robinson R44 RAVEN II Piston Helicopters listings, 2003–2015 models (median $349,500). Asking prices, not an appraisal of N435DE.
Registry history

Timeline

  • 2033-04-30
    Registration expires (renewal due).
  • 2026-04-24
    Certificate of registration issued as N435DE.
  • 2005-01-11
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N435DE

N435DE is a 2005 Robinson R44 RAVEN II Piston Helicopters (FAA model R44 II), serial number 10605. The FAA register lists Thunderbird Aero LLC as the registrant in Mertzon, Texas. The current certificate of registration was issued on April 24, 2026 and expires on April 30, 2033.

The FAA aircraft reference file describes the type as a piston helicopter, one Lycoming IO-540 series 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 11, 2005.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N435DE.

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 N435DE.

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 Texas

All 29,945 aircraft registered in Texas →
Similar aircraft

Other piston helicopters on the register

  • N2129U1962 Brantly B-2
  • N2242P1985 Robinson R22 Piston Helicopters
  • N162M1962 Hiller UH 12 Piston Helicopters
  • N603BD1965 Bell 47G-3B
  • N961331974 Bell 47G-4
  • N47LB1974 Bell 47G-2A-1
More from Robinson

Robinson models on the register

Own N435DE?

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 Texas· 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.