The U.S. aircraft register, updated daily
A Piper PA-34 Seneca, the same model family as N9798C
A Piper PA-34 Seneca like this one, not N9798C itself. Photo: Sky Larson, CC BY-SA 2.0, via Wikimedia Commons. Pictures of N9798C itself may be on Planespotters · JetPhotos · Airliners.net. Operator or owner? Send your own picture.
Registered aircraft · FAA record as of October 29, 2026
N9798C

Piper PA-34-200T

ValidFAA registration status code V: Valid registration. All codesNorth Dakota

N9798C is a Piper PA-34-200T, a fixed-wing airplane with more than one motor with a piston engine, built in 1978. It has 7 seats. It is registered to Weather Modification LLC, an LLC in Fargo, North Dakota. The registration is valid: it was issued on January 3, 2018 and expires on January 31, 2028. It holds a restricted airworthiness certificate for weather control, dated May 28, 2004.

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Aircraft

Maker
Piper
Model
PA-34-200T · all PA-34-200Ts and related versions
Built of
aluminium
The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. This is how the Piper PA-34 Seneca family is built; the FAA does not record construction for each aircraft, and the type certificate data sheet is the authority for this one.
Serial number
34-7870222
Type
Fixed-wing, multi-engineFAA type of aircraft code 5 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
Power
Piston (reciprocating)FAA type of engine code 1 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 2 motors · Cont Motor TSIO-360 SER · 225 hp
Seats
7
Year built
1978
Cruising speed
105 mph
Transponder code
ADA887 (octal 53324207)

Registration

Status
Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
Certificate issued
January 3, 2018
Expires
January 31, 2028
Last FAA action
April 14, 2023
Airworthiness
RestrictedFAA airworthiness class code 3 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · Weather controlFAA certificate purpose code 6 (the kind of airworthiness certificate it flies under and what it is approved for). All codes · May 28, 2004
FAA region
Great LakesFAA region code C (the FAA regional office that handles the record). All codes
FAA record id
00513830

Owner as the FAA publishes it

Name
Weather Modification LLC
Type
LLCFAA type of owner code 7 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
Address
3802 20Th St N
Fargo, ND 58102-0908

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 0

No bills of sale, loans or other documents are indexed against this tail number.

Connections how N9798C links to the rest of the register

Design
Engine
Owner
Place

The whole map of how records connect · these connections as data: /graph/aircraft/N9798C.json.

Records check free · 1 to understand · 4 clear

The public federal record on N9798C, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.

CLEARRegistration and identity

Valid registration to Weather Modification LLC, an LLC, certificate issued January 3, 2018, expires January 31, 2028. No fractional interest recorded. [1]

ATTENTIONAirworthiness certificate date

The airworthiness certificate on file is dated May 28, 2004, 26 years after the 1978 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains. [1]

CLEARPrior registrations of this airframe

No earlier tail number is recorded against serial 34-7870222 for this model in the deregistered file. [2]

CLEARTail number reuse

No other airframe has carried N9798C according to the deregistered file. [2]

NOTERecent registry documents

No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]

CLEARAccident and incident record

No NTSB investigation records located under N9798C. CLEAR means the query ran and returned nothing, not that nothing ever happened. [4]

PENDINGTitle chain, liens and 337 forms

These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.

PENDINGAirworthiness directives and utilization

AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.

CLEAR the source was checked and shows no adverse findingATTENTION a fact a buyer or lender should understand, often routineNOTE context onlyPENDING covered by the full report
  1. FAA Releasable Aircraft Database, master file, file of October 29, 2026. registry.faa.gov/
  2. FAA deregistered aircraft file (part of the same download), file of October 29, 2026. registry.faa.gov/
  3. FAA document index: registry documents received in recent weeks, file of October 29, 2026. registry.faa.gov/
  4. NTSB aviation accident database (CAROL), records through September 30, 2026. data.ntsb.gov/carol-main-public/basic-search

This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 29, 2026. See this record on the FAA site · This record as data