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2025 Piper Seneca IIMulti-Engine Piston Aircraft • Cadillac, MI, USA

This 1978 Piper Seneca II, registration N912LL, serial number 34-7870020, is a twin-turbocharged, counter-rotating aircraft based at KCAD in Cadillac, Michigan, offered at $349,900. Both Continental engines were overhauled by G&N Aircraft in October 2025 and have approximately 12 hours SMOH. The left engine, a TSIO-360-EB (S/N 809238-R), was rebuilt/overhauled on 10/21/2025, and the right engine, an LTSIO-360-EB (S/N 807520-R), received a major overhaul on 10/30/2025; compressions at the November 2026 annual checked mid to high 70s across both engines. Total airframe time is approximately 5,311 hours, and the aircraft has a fresh annual...

Year
2025
Make
Piper
Series
Seneca
Model
Seneca II
Tail #
N912LL
Serial #
34-7870020

Find similar aircraft

Specifications

Category
Multi-Engine Piston
Intended Use
Business, Passenger, Recreational
Useful Load
1,538 lbs
Seats
6

Hours, Logs & Inspections

Total Time
5,311 hrs
Engine 1 Time
12 hrs (SMOH)
Engine 2 Time
12 hrs (SMOH)
Logbook Status
Complete logs available for review
Inspection Status
Fresh annual completed November 2026 at Heritage Flight Support, Fremont, MI. C/W AD 2023-09-09, AD 2005-13-16, AD 2004-25-16 R1, AD 99-14-01. ELT inspected (battery due 3/2029)

Avionics

GPS

Garmin GNS 530W - GNS WAAS GPS/NAV/COM; GNS WAAS GPS/NAV/COM

MFD

Avidyne FlightMax EX500 - MFD

AP

S-TEC 55X - S-TEC Autopilot

ADSB

Garmin GTX 345 - GTX Transponder with ADS-B Out

ADS-B In

Garmin GTX 345 - GTX Transponder with ADS-B

EMS

JPI EDM - Dual JPI EDM color engine monitors

Additional Equipment

De-Ice Boots

Wing/tail de-ice boots

Propeller De-Ice

Windshield Heat

HSI

Prop De-Ice

Corrosion-X Treatment

Corrosion-X treated entire airframe (10/2023)

Wing and Tail De-Ice Boots

Wing/tail de-ice boots

Refreshment Console

Refreshment console with 110V AC and 12V DC power

Interior & Exterior

Interior Notes
Six-seat tan leather executive club seating, fold-out center table & refreshment console, 110 V AC outlet, 12 V DC power, video/music inputs
Exterior Notes
White with dark green and gold stripes. Corrosion-X treated entire airframe 10/2023

Engine & Propeller

Engine Type
Piston
Engine Count
2
Engine Make
Continental
Engine Model
TSIO-360-EB / LTSIO-360-EB
Propeller Model
Hartzell HC-C2YF-2CKUF / HC-C2YF-2CLKUF

Asking Price

$349,900

Aircraft Location

Cadillac, MI, USA

Listing Details

Used
For Sale

Price History

Nov 13, 2026: $349,900 - controller

Nov 13, 2026: $349,900 - barnstormers

Nov 13, 2026: $349,900 - trade-a-plane

Contact Seller

First Seen: Nov 13, 2026

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Asking Price

$349,900