Twin turboprop

N400CM

1976 Piper Cheyenne II

Registered No accidents on file
Built
1976
Serial
31T-7620040
Class
Twin turboprop
Engines
2 × U/A Canada PT6A-27-28
Status
Current as of October 2026
Registered owner
Aerial Surveys International LLC (LLC)
Based
Watkins, CO
Registration record

N400CM on the FAA register

Type
1976 Piper Cheyenne II (FAA: Piper PA-31T)
Serial
31T-7620040
Engines
2 × U/A Canada PT6A-27-28
Registered owner
Aerial Surveys International LLC
Watkins, CO
Certificate issued
2005-05-25
Airworthiness date
1991-01-30
Registration expires
2027-09-30
Airworthiness class
Standard · normal
Mode S (hex)
A4ACDF
Mode S (octal)
51126337
Seats (type)
8
Weight class
up to 12,499 lb
Range (type)
1,150 nm
Cruise (type)
245 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2027-09-30
    Registration expires (renewal due).
  • 2005-05-25
    Certificate of registration issued as N400CM.
  • 1991-01-30
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1976
    Manufactured (1976).
Overview

About N400CM

N400CM is a 1976 Piper Cheyenne II (FAA model PA-31T), serial number 31T-7620040. The FAA register lists Aerial Surveys International LLC as the registrant in Watkins, Colorado. The current certificate of registration was issued on May 25, 2005 and expires on September 30, 2027.

The FAA aircraft reference file describes the type as a twin turboprop, two U/A Canada PT6A-27-28 engines and 8 seats. Published figures for the type give a cruise speed of about 245 knots and a range of about 1,150 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated January 30, 1991.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N400CM.

Cruise
245 kt
Range
1,150 nm
Power / thrust (each)
620
Takeoff over 50 ft
1,980 ft
Landing over 50 ft
2,480 ft
Fuel burn
95 gph

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

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N400CM.

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 Cheyenne 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.