Single-engine piston

N17721

1937 Waco UKS-7

Registered 1 NTSB/FAA record
Built
1937
Serial
4632
Class
Single-engine piston
Engines
Continental W670 series
Status
Current as of October 2026
Registered owner
Co-owned · sign in to see
Based
Mishawaka, IN
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Registration record

N17721 on the FAA register

Type
1937 Waco UKS-7
Serial
4632
Engines
Continental W670 series
Registered owner
Co-owned — the name of an individual registrant is shown to signed-in users. Sign in
Mishawaka, IN
Certificate issued
2025-08-19
Airworthiness date
1965-08-17
Registration expires
2032-08-31
Airworthiness class
Standard · normal
Mode S (hex)
A135E6
Mode S (octal)
50232746
Seats (type)
5
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2032-08-31
    Registration expires (renewal due).
  • 2025-08-19
    Certificate of registration issued as N17721.
  • 2003-03-09
    Accident at El Paso, TX; damage: substantial.
  • 1965-08-17
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1937
    Manufactured (1937).
Overview

About N17721

N17721 is a 1937 Waco UKS-7, serial number 4632. It is registered to co-owners in Mishawaka, Indiana. The current certificate of registration was issued on August 19, 2025 and expires on August 31, 2032.

The FAA aircraft reference file describes the type as a single-engine piston, one Continental W670 series engine and 5 seats. Its airworthiness certificate is standard category (normal), dated August 17, 1965.

N17721 has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2003-03-09 Accident · El Paso, TX Damage: Substantial NTSB · FTW03LA108
Reported aircraft: Waco UKS-7
Probable cause: The pilot's failure to compensate for existing wind conditions. A contributing factor was the crosswind.

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

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Browse: Aircraft registered in Indiana· Registry by state· FAA registry stats

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.