Twin piston

N1ZR

1977 Cessna P337G

Registered 1 NTSB/FAA record
Built
1977
Serial
P3370275
Class
Twin piston
Engines
2 × Continental TSIO-360 series
Status
Current as of October 2026
Registered owner
Bio Mass LLC (LLC)
Based
Kalispell, MT
Registration record

N1ZR on the FAA register

Type
1977 Cessna P337G (FAA: Cessna T337G)
Serial
P3370275
Engines
2 × Continental TSIO-360 series
Registered owner
Bio Mass LLC
Kalispell, MT
Certificate issued
2023-12-13
Airworthiness date
1977-03-18
Registration expires
2030-12-31
Airworthiness class
Standard · normal
Mode S (hex)
A00251
Mode S (octal)
50001121
Seats (type)
6
Weight class
up to 12,499 lb
Range (type)
839 nm
Cruise (type)
124 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2030-12-31
    Registration expires (renewal due).
  • 2023-12-13
    Certificate of registration issued as N1ZR.
  • 2018-11-08
    Accident at Homosassa, FL; damage: substantial.
  • 1977-03-18
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N1ZR

N1ZR is a 1977 Cessna P337G (FAA model T337G), serial number P3370275. The FAA register lists Bio Mass LLC as the registrant in Kalispell, Montana. The current certificate of registration was issued on December 13, 2023 and expires on December 31, 2030.

The FAA aircraft reference file describes the type as a twin piston, two Continental TSIO-360 series engines and 6 seats. Published figures for the type give a cruise speed of about 124 knots and a range of about 839 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated March 18, 1977.

N1ZR has 1 accident/incident record on file (most serious damage: substantial); details are below.

Cruise
124 kt
Range
839 nm
Takeoff over 50 ft
900 ft
Landing over 50 ft
700 ft
Fuel burn
16 gph

Published figures for the Cessna P337G type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

2018-11-08 Accident · Homosassa, FL Damage: Substantial NTSB · GAA19CA070
Reported aircraft: Cessna T337
Probable cause: The pilot's inadequate preflight inspection, which resulted in fuel exhaustion and the subsequent total loss of power in both engines.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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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.