N17721
Built 1937 · registered US
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Performance specs
- Range
- 500 nm
- Cruise speed
- 112 kt
- Max speed
- 126 kt
- Service ceiling
- 15,000 ft
- Takeoff distance
- —
- Landing distance
- —
- MTOW
- —
- Empty weight
- —
- Fuel capacity
- 265 L
- Length
- 7.6 m
- Wingspan
- 10.7 m
- Height
- 2.5 m
- Seats
- 2
- Max passengers
- 2
Flight activity
(9 tracking legs recorded)- Last 30 days
- 3
- Last 90 days
- 9
- Last seen
- 30 Oct 2026
- Tracked since
- 12 Sept 2026
- Tracked flight30 Oct 2026 · 2h 08m
- … → KPPO23 Oct 2026 · 0h 26m
- Tracked flight2 Oct 2026 · 1h 14m
- Tracked flight28 Sept 2026 · 0h 22m
- Tracked flight26 Sept 2026 · 2h 49m
- Tracked flight25 Sept 2026 · 0h 18m
- Tracked flight12 Sept 2026 · 1h 35m
Showing the 7 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.
Rare. Rarer than 86% of the aircraft models we track.
Other UKS-7 airframes by tail number — same model as N17721.
See all 2 registered UKS-7If you fly the UKS-7, you may also be researching these.
Registration history
(1)- N17721USACTIVENACE JON2025 – 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 N17721?
N17721 is a Waco UKS-7, built in 1937. Sprinkle's record for N17721 covers its lineage, ownership history and specifications.
Is N17721 currently active?
Registry records list N17721's status as Active, registered in United States — a Waco UKS-7.
What is the manufacturer serial number (MSN) of N17721?
N17721 carries manufacturer serial number (MSN) 4632, the serial assigned to this Waco UKS-7 airframe when it was built.
What is the ICAO24 / Mode S code for N17721?
N17721's ICAO24 (Mode S) transponder code is A135E6 — the hex address the Mode S transponder on this Waco UKS-7 broadcasts.