Single-engine piston

N99031

1954 Piper PA-18-135

Registered 1 NTSB/FAA record
Built
1954
Serial
18-3990
Class
Single-engine piston
Engines
Lycoming O-290 series
Status
Current as of October 2026
Registered owner
Diamond X LLC (LLC)
Based
Elko, NV
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Registration record

N99031 on the FAA register

Type
1954 Piper PA-18-135
Serial
18-3990
Engines
Lycoming O-290 series
Registered owner
Diamond X LLC
Elko, NV
Certificate issued
2023-04-07
Airworthiness date
1983-04-27
Registration expires
2030-04-30
Airworthiness class
Standard · normal
Mode S (hex)
ADD57E
Mode S (octal)
53352576
Seats (type)
2
Weight class
up to 12,499 lb
Range (type)
603 nm
Cruise (type)
148 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2030-04-30
    Registration expires (renewal due).
  • 2023-04-07
    Certificate of registration issued as N99031 to the current registrant.
  • 2017-07-08
    Accident at Big Timber, MT; damage: substantial.
  • 1983-04-27
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1969-08-04
    N99031 previously assigned to a ERCO / Forney / Alon Ercoupe 415C (s/n 1654); cancelled.
  • 1954
    Manufactured (1954).
Overview

About N99031

N99031 is a 1954 Piper PA-18-135, serial number 18-3990. The FAA register lists Diamond X LLC as the registrant in Elko, Nevada. The current certificate of registration was issued on April 7, 2023 and expires on April 30, 2030.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming O-290 series engine and 2 seats. Published figures for the type give a cruise speed of about 148 knots and a range of about 603 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated April 27, 1983.

N99031 has 1 accident/incident record on file (most serious damage: substantial); details are below.

Cruise
148 kt
Range
603 nm
Takeoff over 50 ft
1,290 ft
Landing over 50 ft
750 ft
Fuel burn
14 gph

Published figures for the Piper PA-18-135 type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

2017-07-08 Accident · Big Timber, MT Damage: Substantial Serious injury NTSB · WPR17LA145
Reported aircraft: Piper L 21B
Probable cause: The pilot's decision to fly at low altitude in the vicinity of power lines, which resulted in a wire strike.

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.