Single-engine piston

N9488D

1959 Piper PA-18 Super Cub

Registered 3 NTSB/FAA records
Built
1959
Serial
18-6740
Class
Single-engine piston
Engines
Lycoming O-320 series
Status
Current as of October 2026
Registered owner
Clear Prop Aviation LLC (LLC)
Based
Sioux City, IA
Registration record

N9488D on the FAA register

Type
1959 Piper PA-18 Super Cub (FAA: Piper PA-18A 150)
Serial
18-6740
Engines
Lycoming O-320 series
Registered owner
Clear Prop Aviation LLC
Sioux City, IA
Certificate issued
2023-12-21
Airworthiness date
1959-04-28
Registration expires
2030-12-31
Airworthiness class
Multiple
Mode S (hex)
AD2E54
Mode S (octal)
53227124
Seats (type)
1
Weight class
up to 12,499 lb
Range (type)
450 nm
Cruise (type)
97 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2030-12-31
    Registration expires (renewal due).
  • 2023-12-21
    Certificate of registration issued as N9488D.
  • 2012-06-17
    Accident at Skwentna, AK; damage: substantial.
  • 2006-07-07
    Accident at Skwentna, AK; damage: substantial.
  • 1975-09-29
    Accident at Fairfield,Mt, 26; damage: substantial.
  • 1959-04-28
    Airworthiness date on the current FAA record (multiple category).
Overview

About N9488D

N9488D is a 1959 Piper PA-18 Super Cub (FAA model PA-18A 150), serial number 18-6740. The FAA register lists Clear Prop Aviation LLC as the registrant in Sioux City, Iowa. The current certificate of registration was issued on December 21, 2023 and expires on December 31, 2030.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming O-320 series engine and 1 seats. Published figures for the type give a cruise speed of about 97 knots and a range of about 450 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is multiple category, dated April 28, 1959.

N9488D has 3 accident/incident records on file (most serious damage: substantial); details are below.

Cruise
97 kt
Range
450 nm
Power / thrust (each)
125
Takeoff over 50 ft
650 ft
Landing over 50 ft
725 ft
Fuel burn
8 gph

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

Safety record

Accident & incident history

2012-06-17 Accident · Skwentna, AK Damage: Substantial NTSB · ANC12CA053
Reported aircraft: Piper PA-18-150
Probable cause: The pilot s selection of unsuitable terrain for taxi.
2006-07-07 Accident · Skwentna, AK Damage: Substantial NTSB · ANC06CA085
Reported aircraft: Piper PA-18-180
Probable cause: The pilot's selection of unsuitable terrain for landing, which resulted in a loss of control during the landing roll, and an on ground encounter with terrain. Factors associated with the accident are the pilot's failure to maintain directional control, and the rough and uneven terrain.
1975-09-29 Accident · Fairfield,Mt, 26 Damage: Substantial NTSB · 3 3022
Reported aircraft: Piper PA-18A
Probable cause: CIDED TO LND IN FLD.

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.