Twin piston

N9798C

1978 Piper Seneca II

Registered No accidents on file
Built
1978
Serial
34-7870222
Class
Twin piston
Engines
2 × Continental TSIO-360 series
Status
Current as of October 2026
Registered owner
Weather Modification LLC (LLC)
Based
Fargo, ND
Registration record

N9798C on the FAA register

Type
1978 Piper Seneca II (FAA: Piper PA-34-200T)
Serial
34-7870222
Engines
2 × Continental TSIO-360 series
Registered owner
Weather Modification LLC
Fargo, ND
Certificate issued
2018-01-03
Airworthiness date
2004-05-28
Registration expires
2028-01-31
Airworthiness class
Restricted
Mode S (hex)
ADA887
Mode S (octal)
53324207
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

  • 2028-01-31
    Registration expires (renewal due).
  • 2018-01-03
    Certificate of registration issued as N9798C.
  • 2004-05-28
    Airworthiness date on the current FAA record (restricted category).
  • 1978
    Manufactured (1978).
Overview

About N9798C

N9798C is a 1978 Piper Seneca II (FAA model PA-34-200T), serial number 34-7870222. The FAA register lists Weather Modification LLC as the registrant in Fargo, North Dakota. The current certificate of registration was issued on January 3, 2018 and expires on January 31, 2028.

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 restricted category, dated May 28, 2004.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N9798C.

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

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N9798C.

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 North Dakota· 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.