N21531
Built 1957 · registered US
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Type photo — not this specific aircraftPhoto via Wikipedia: Piper PA-18 Super Cub18 for sale now
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View all 29 listings →Performance specs
- Range
- 380 nm
- Cruise speed
- 100 kt
- Max speed
- 113 kt
- Service ceiling
- 19,000 ft
- Takeoff distance
- 160 m
- Landing distance
- 270 m
- MTOW
- 800 kg
- Empty weight
- —
- Fuel capacity
- 136 L
- Length
- 6.8 m
- Wingspan
- 10.7 m
- Height
- 2.0 m
- Seats
- 2
- Max passengers
- 2
Flight activity
(10 tracking legs recorded)- Last 30 days
- 2
- Last 90 days
- 10
- Last seen
- 28 Oct 2026
- Tracked since
- 19 Sept 2026
Frequent routes: KTTD → KTTD (10)
- KTTD → KTTD28 Oct 2026 · 3h 41m
- KTTD → KTTD21 Oct 2026 · 1h 17m
- KTTD → KTTD8 Oct 2026 · 1h 20m
- KTTD → KTTD4 Oct 2026 · 1h 27m
- KTTD → KTTD23 Sept 2026 · 0h 08m
- KTTD → KTTD23 Sept 2026 · 0h 50m
- KTTD → KTTD22 Sept 2026 · 0h 15m
- KTTD → KTTD22 Sept 2026 · 0h 33m
- KTTD → KTTD19 Sept 2026 · 7h 05m
Showing the 9 most recent distinct flights. The total counts every raw ADS-B tracking leg, including repeat observations and sub-5-minute artifacts.
From ADS-B observations collected since May 2026. Coverage depends on ground-receiver density; gaps do not mean the aircraft did not fly.
Common. One of the most common aircraft types we track.
Other 18 airframes by tail number — same model as N21531.
- N120RR2022
- C-GCWR2021
- N159DB2019
- C-FWWY2014
- N174CP2013
- N4900C2013
- C-FEYM2012
- C-FOPL2011
- C-GDWV2010
- C-FOBP2007
- C-GERY2006
- N430652006
- C-GSAL2006
- C-FNPX2005
- N8315M2004
- C-GZWH2003
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—Registration history
(1)- N21531USACTIVEHANS NELSON & SONS NURSERY INC1999 – present
Owner names are published by the issuing civil registry (FAA / CCARCS / CASA / ANAC / NZ CAA). Owner addresses present in the source are not republished here. Registered owner? Request removal
What aircraft model is N21531?
N21531 is a Piper 18, built in 1957. Sprinkle's record for N21531 covers its lineage, ownership history and specifications.
Is N21531 currently active?
Registry records list N21531's status as Active, registered in United States — a Piper 18.
What is the manufacturer serial number (MSN) of N21531?
N21531 carries manufacturer serial number (MSN) 18-5496, the serial assigned to this Piper 18 airframe when it was built.
What is the ICAO24 / Mode S code for N21531?
N21531's ICAO24 (Mode S) transponder code is A1CEF0 — the hex address the Mode S transponder on this Piper 18 broadcasts.










