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1977 Cessna T337GMulti-Engine Piston Aircraft • Lemoore, CA, USA

This 1977 Cessna T337G (N1ZR) is a rare Riley Super Skyrocket conversion, one of fewer than 10 remaining airworthy examples. The aircraft features twin Riley-modified TSIO-520 engines producing 310hp each, equipped with intercoolers and a STOL kit for enhanced performance. With 1,912 total hours on the airframe, the engines show 31 hours SMOH on the left and 9 hours SMOH on the right, while the propellers have 31 hours SMOH and 772 hours SNEW respectively. The aircraft underwent repairs following a 2018 gear-up landing in a marsh and was returned to airworthy condition in 2021.

The Riley conversion includes superior soundproofing and...

Year
1977
Make
Cessna
Series
T337
Model
T337G
Tail #
N1ZR
Serial #
P33770275

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Specifications

Category
Multi-Engine Piston
Intended Use
Business, Recreational
Flight Rules
IFR

Hours, Logs & Inspections

Total Time
1,912 hrs
Engine 1 Time
31 hrs (SMOH)
Engine 2 Time
9 hrs (SMOH)
Prop 1 Time
31 hrs (SMOH)
Prop 2 Time
772 hrs (SNEW)

Additional Equipment

Intercoolers

Sound Proofing

Superior sound proofing

Interior & Exterior

Exterior Notes
Damage 2018 - Gear up landing in marsh. Repaired and turned to airworthy 2021

Engine & Propeller

Engine Type
Piston
Engine Count
2
Engine Model
TSIO-520
Engine Power
310 HP

Asking Price

$279,000

Aircraft Location

Lemoore, CA, USA

Listing Details

Used
For Sale

Price History

Aug 9, 2025: $279,000 - trade-a-plane

Contact Seller

First Seen: Aug 9, 2025

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Asking Price

$279,000