FAA Aircraft Registry · Live Lookup · As of Apr 28, 2026
N1004E — Cessna 172S
Rendered live from the FAA Aircraft Registry (refreshed weekly). This tail has no NTSB events or airworthiness directives indexed against it — type-level history is on the type page below.
Registration
Registrant
UNISON AIR LLC
Registrant Type
LLC
Location
PALO ALTO, CA
Status
Registration Valid
Certificate Issued
Sep 26, 2023
Airworthiness Date
Jul 21, 2005
Registration Expires
Sep 30, 2030
Last Action
Sep 26, 2023
Aircraft
Serial Number
172S9872
Year Manufactured
2005
Aircraft Type
Fixed Wing Single Engine
Certification
Standard (+2 flags)
Engine
LYCOMING IO-360-L2A
Engines / Seats
1 / 4
Weight Class
CLASS 1
Mode S (Hex)
A0079D
Type History
Cessna 172S type page → — 3,071 registered · 997 NTSB records · 48 airworthiness directives
Live position via ICAO24 A0079D
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