Single-engine piston

N99Y

1986 Waco Ymf

Registered 3 NTSB/FAA records
Built
1986
Serial
F5-002
Class
Single-engine piston
Engines
Jacobs R755B series
Status
Current as of October 2026
Registered owner
Scotty Box R&D LLC (LLC)
Based
Fullerton, CA
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Registration record

N99Y on the FAA register

Type
1986 Waco Ymf
Serial
F5-002
Engines
Jacobs R755B series
Registered owner
Scotty Box R&D LLC
Fullerton, CA
Certificate issued
2012-09-17
Airworthiness date
1986-07-29
Registration expires
2028-09-30
Airworthiness class
Standard · normal
Mode S (hex)
ADD270
Mode S (octal)
53351160
Seats (type)
3
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-09-30
    Registration expires (renewal due).
  • 2015-12-25
    Accident at Fullerton, CA; damage: substantial.
  • 2012-09-17
    Certificate of registration issued as N99Y to the current registrant.
  • 1989-02-03
    Accident at Key West, FL; damage: substantial.
  • 1986-10-15
    Accident at Key West, FL; damage: substantial.
  • 1986-07-29
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1939-08-01
    N99Y previously assigned to a Grey Goose Airways A (s/n 1); cancelled.
Overview

About N99Y

N99Y is a 1986 Waco Ymf, serial number F5-002. The FAA register lists Scotty Box R&D LLC as the registrant in Fullerton, California. The current certificate of registration was issued on September 17, 2012 and expires on September 30, 2028.

The FAA aircraft reference file describes the type as a single-engine piston, one Jacobs R755B series engine and 3 seats. Its airworthiness certificate is standard category (normal), dated July 29, 1986.

N99Y has 3 accident/incident records on file (most serious damage: substantial); details are below. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

2015-12-25 Accident · Fullerton, CA Damage: Substantial NTSB · GAA16CA089
Reported aircraft: Waco Ymf
Probable cause: The pilot's failure to maintain directional control during the landing roll.
1989-02-03 Accident · Key West, FL Damage: Substantial Minor injury NTSB · MIA89LA076
Reported aircraft: Waco Ymf
Probable cause: THE INABILITY OF THE PLT TO MAINTAIN CONTROL AFTER ENCOUNTERING HIS OWN WAKE TURBULENCE AT A LOW ALTITUDE DURING A STEEP TURNING MANEUVER.
1988-07-13 Accident · Key West, FL Damage: Substantial NTSB · MIA88LA220
Reported aircraft: Classic Aircraft YMF-5 — a different aircraft that carried the N99Y registration before this airframe.
1986-10-15 Accident · Key West, FL Damage: Substantial NTSB · MIA87LA007
Reported aircraft: Waco Ymf

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 California· 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.