Twin piston

N440DM

1975 Piper Seneca II

Registered 1 NTSB/FAA record
Built
1975
Serial
34-7670040
Class
Twin piston
Engines
2 × Continental TSIO-360 series
Status
Current as of October 2026
Registered owner
Bas Part Sales LLC (LLC)
Based
Greeley, CO
Registration record

N440DM on the FAA register

Type
1975 Piper Seneca II (FAA: Piper PA-34-200T)
Serial
34-7670040
Engines
2 × Continental TSIO-360 series
Registered owner
Bas Part Sales LLC
Greeley, CO
Certificate issued
—
Airworthiness date
1975-09-25
Registration expires
—
Airworthiness class
Standard · normal
Mode S (hex)
A54AF4
Mode S (octal)
51245364
Seats (type)
7
Weight class
up to 12,499 lb
Range (type)
725 nm
Cruise (type)
177 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2023-09-01
    Accident at Coolidge, AZ; damage: substantial.
  • 1975-09-25
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N440DM

N440DM is a 1975 Piper Seneca II (FAA model PA-34-200T), serial number 34-7670040. The FAA register lists Bas Part Sales LLC as the registrant in Greeley, Colorado.

The FAA aircraft reference file describes the type as a twin piston, two Continental TSIO-360 series engines and 7 seats. Published figures for the type give a cruise speed of about 177 knots and a range of about 725 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated September 25, 1975.

N440DM has 1 accident/incident record on file (most serious damage: substantial); details are below.

Cruise
177 kt
Range
725 nm
Power / thrust (each)
200
Takeoff over 50 ft
1,240 ft
Landing over 50 ft
2,110 ft
Fuel burn
29 gph

Published figures for the Piper Seneca II type. They describe the model, not this airframe's equipment or condition. Piper Seneca II specs, prices and for-sale inventory →

Safety record

Accident & incident history

2023-09-01 Accident · Coolidge, AZ Damage: Substantial NTSB · WPR23LA332
Reported aircraft: Piper PA-34-200T
Probable cause: The pilot's failure to extend the landing gear before landing.

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 Seneca II overview· Aircraft registered in Colorado· 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.