Piston helicopter

N4077

1965 Bell 47G-3B-1

Registered No accidents on file
Built
1965
Serial
3473
Class
Piston helicopter
Engines
Lycoming TVO-435-GIA
Status
Current as of October 2026
Registered owner
Cavanaugh Flight Museum (Corporation)
Based
Denison, TX
1965 Bell 47G-3B-1
Representative photo of a Bell 47G-3B-1. Not a photo of N4077.
Registration record

N4077 on the FAA register

Type
1965 Bell 47G-3B-1
Serial
3473
Engines
Lycoming TVO-435-GIA
Registered owner
Cavanaugh Flight Museum
Denison, TX
Certificate issued
2009-01-29
Airworthiness date
1978-09-28
Registration expires
2029-04-30
Airworthiness class
Standard · normal
Mode S (hex)
A4C9EF
Mode S (octal)
51144757
Seats (type)
3
Weight class
up to 12,499 lb
Range (type)
214 nm
Cruise (type)
73 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2029-04-30
    Registration expires (renewal due).
  • 2009-01-29
    Certificate of registration issued as N4077.
  • 1978-09-28
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1965
    Manufactured (1965).
Overview

About N4077

N4077 is a 1965 Bell 47G-3B-1, serial number 3473. The FAA register lists Cavanaugh Flight Museum as the registrant in Denison, Texas. The current certificate of registration was issued on January 29, 2009 and expires on April 30, 2029.

The FAA aircraft reference file describes the type as a piston helicopter, one Lycoming TVO-435-GIA engine and 3 seats. Published figures for the type give a cruise speed of about 73 knots and a range of about 214 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated September 28, 1978.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N4077. 1 earlier record involves a different aircraft that carried the same N-number.

Cruise
73 kt
Range
214 nm
Fuel burn
7 gph

Published figures for the Bell 47G-3B-1 type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

1996-07-09 Accident · Beaver Marsh, OR Damage: Substantial Serious injury NTSB · SEA96LA148
Reported aircraft: Mooney M18LA — a different aircraft that carried the N4077 registration before this airframe.
Probable cause: the loss of engine power for undetermined reason(s). A factor relating to the accident was: the presence of trees near the forced landing area.

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.