Piston helicopter

N9421H

1950 Bell 47D-1 Piston Helicopters

Registered 2 NTSB/FAA records
Built
1950
Serial
178
Class
Piston helicopter
Engines
Lycoming VO-435 series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Porterville, CA
1950 Bell 47D-1 Piston Helicopters
Representative photo of a Bell 47D-1 Piston Helicopters. Not a photo of N9421H.
Registration record

N9421H on the FAA register

Type
1950 Bell 47D-1 Piston Helicopters (FAA: Bell 47D1)
Serial
178
Engines
Lycoming VO-435 series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Porterville, CA
Certificate issued
2017-09-25
Airworthiness date
1978-10-03
Registration expires
2027-09-30
Airworthiness class
Multiple
Mode S (hex)
AD1719
Mode S (octal)
53213431
Seats (type)
3
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-09-30
    Registration expires (renewal due).
  • 2017-09-25
    Certificate of registration issued as N9421H.
  • 1978-10-03
    Airworthiness date on the current FAA record (multiple category).
  • 1978-02-18
    Accident at Buttonwillow,Ca, 05; damage: substantial.
  • 1964-05-09
    Accident at Fullerton Calif, 05; damage: substantial.
  • 1950
    Manufactured (1950).
Overview

About N9421H

N9421H is a 1950 Bell 47D-1 Piston Helicopters (FAA model 47D1), serial number 178. It is registered to an individual in Porterville, California. The current certificate of registration was issued on September 25, 2017 and expires on September 30, 2027.

The FAA aircraft reference file describes the type as a piston helicopter, one Lycoming VO-435 series engine and 3 seats. Its airworthiness certificate is multiple category, dated October 3, 1978.

N9421H has 2 accident/incident records on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

1978-02-18 Accident · Buttonwillow,Ca, 05 Damage: Substantial NTSB · 3 0214
Reported aircraft: Bell 47G1
1964-05-09 Accident · Fullerton Calif, 05 Damage: Substantial NTSB · 2 0136
Reported aircraft: Bell 47D-1

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.