Twin piston

N323DD

1981 Piper Navajo Chieftain

Registered No accidents on file
Built
1981
Serial
31-8152170
Class
Twin piston
Engines
2 × Lycoming TIO-540 series
Status
Current as of October 2026
Registered owner
Hd Security Systems LLC (LLC)
Based
Watertown, TN
Registration record

N323DD on the FAA register

Type
1981 Piper Navajo Chieftain (FAA: Piper PA-31-350)
Serial
31-8152170
Engines
2 × Lycoming TIO-540 series
Registered owner
Hd Security Systems LLC
Watertown, TN
Certificate issued
2026-05-20
Airworthiness date
1981-09-10
Registration expires
2033-05-31
Airworthiness class
Standard · normal
Mode S (hex)
A379C4
Mode S (octal)
50674704
Seats (type)
8
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2033-05-31
    Registration expires (renewal due).
  • 2026-05-20
    Certificate of registration issued as N323DD.
  • 1981-09-10
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N323DD

N323DD is a 1981 Piper Navajo Chieftain (FAA model PA-31-350), serial number 31-8152170. The FAA register lists Hd Security Systems LLC as the registrant in Watertown, Tennessee. The current certificate of registration was issued on May 20, 2026 and expires on May 31, 2033.

The FAA aircraft reference file describes the type as a twin piston, two Lycoming TIO-540 series engines and 8 seats. Its airworthiness certificate is standard category (normal), dated September 10, 1981.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N323DD.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N323DD.

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

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Browse: Piper aircraft for sale· Piper Navajo Chieftain overview· Aircraft registered in Tennessee· 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.