Single-engine piston

N21994

1939 Porterfield CP-50

Registered No accidents on file
Built
1939
Serial
574
Class
Single-engine piston
Engines
Continental A50 series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Ottumwa, IA
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Registration record

N21994 on the FAA register

Type
1939 Porterfield CP-50
Serial
574
Engines
Continental A50 series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Ottumwa, IA
Certificate issued
2018-02-12
Airworthiness date
1955-09-11
Registration expires
2028-02-29
Airworthiness class
Standard
Mode S (hex)
A1DEA1
Mode S (octal)
50357241
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-02-29
    Registration expires (renewal due).
  • 2018-02-12
    Certificate of registration issued as N21994.
  • 1955-09-11
    Airworthiness date on the current FAA record (standard category).
  • 1939
    Manufactured (1939).
Overview

About N21994

N21994 is a 1939 Porterfield CP-50, serial number 574. It is registered to an individual in Ottumwa, Iowa. The current certificate of registration was issued on February 12, 2018 and expires on February 29, 2028.

The FAA aircraft reference file describes the type as a single-engine piston, one Continental A50 series engine and 2 seats. Its airworthiness certificate is standard category, dated September 11, 1955.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N21994.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N21994.

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

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Browse: Aircraft registered in Iowa· 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.