Piston helicopter

N4605V

Sikorsky R-4B

Registered No accidents on file
Built
—
Serial
95
Class
Piston helicopter
Engines
Continental W670 series
Status
Current as of October 2026
Registered owner
American Airpower Heritage Museum (Corporation)
Based
Dallas, TX
Registration record

N4605V on the FAA register

Type
Sikorsky R-4B
Serial
95
Engines
Continental W670 series
Registered owner
American Airpower Heritage Museum
Dallas, TX
Certificate issued
1998-09-24
Airworthiness date
1956-05-25
Registration expires
2028-09-30
Airworthiness class
Multiple
Mode S (hex)
A59CB6
Mode S (octal)
51316266
Seats (type)
3
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-09-30
    Registration expires (renewal due).
  • 1998-09-24
    Certificate of registration issued as N4605V.
  • 1956-05-25
    Airworthiness date on the current FAA record (multiple category).
Overview

About N4605V

N4605V is a Sikorsky R-4B, serial number 95. The FAA register lists American Airpower Heritage Museum as the registrant in Dallas, Texas. The current certificate of registration was issued on September 24, 1998 and expires on September 30, 2028.

The FAA aircraft reference file describes the type as a piston helicopter, one Continental W670 series engine and 3 seats. Its airworthiness certificate is multiple category, dated May 25, 1956.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N4605V.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N4605V.

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.