Single-engine piston

N20973

Waco UPF-7

Registered 1 NTSB/FAA record
Built
—
Serial
5319
Class
Single-engine piston
Engines
Continental W670 series
Status
Current as of October 2026
Registered owner
Four Stars Four Bars Aeromotive LLC (LLC)
Based
Fairbanks, AK
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Waco UPF-7
Representative photo of a Waco UPF-7. Not a photo of N20973.
Registration record

N20973 on the FAA register

Type
Waco UPF-7
Serial
5319
Engines
Continental W670 series
Registered owner
Four Stars Four Bars Aeromotive LLC
Fairbanks, AK
Certificate issued
2025-10-24
Airworthiness date
1980-08-13
Registration expires
2032-10-31
Airworthiness class
Standard · normal
Mode S (hex)
A1B6DB
Mode S (octal)
50333333
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Market asking range
$248,689 to $349,750
Middle half of 3 live Waco UPF-7 listings, 1940–1940 models (median $295,000). Asking prices, not an appraisal of N20973.
Registry history

Timeline

  • 2032-10-31
    Registration expires (renewal due).
  • 2025-10-24
    Certificate of registration issued as N20973.
  • 1988-07-21
    Accident at Greenland, NH; damage: substantial.
  • 1980-08-13
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N20973

N20973 is a Waco UPF-7, serial number 5319. The FAA register lists Four Stars Four Bars Aeromotive LLC as the registrant in Fairbanks, Alaska. The current certificate of registration was issued on October 24, 2025 and expires on October 31, 2032.

The FAA aircraft reference file describes the type as a single-engine piston, one Continental W670 series engine and 2 seats. Its airworthiness certificate is standard category (normal), dated August 13, 1980.

N20973 has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

1988-07-21 Accident · Greenland, NH Damage: Substantial NTSB · NYC88LA190
Reported aircraft: Waco UPF-7

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 Alaska· 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.