Single-engine piston

N91140

1951 North American Navion

Registered No accidents on file
Built
1951
Serial
NAV-4-33
Class
Single-engine piston
Engines
Ama/Expr UNKNOWN ENG
Status
Current as of October 2026
Registered owner
Equinox Instruction (Corporation)
Based
Tulsa, OK
Registration record

N91140 on the FAA register

Type
1951 North American Navion
Serial
NAV-4-33
Engines
Ama/Expr UNKNOWN ENG
Registered owner
Equinox Instruction
Tulsa, OK
Certificate issued
2020-08-03
Airworthiness date
1951-05-07
Registration expires
2027-08-31
Airworthiness class
Standard · normal
Mode S (hex)
AC9D5F
Mode S (octal)
53116537
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-08-31
    Registration expires (renewal due).
  • 2020-08-03
    Certificate of registration issued as N91140.
  • 1951-05-07
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N91140

N91140 is a 1951 North American Navion, serial number NAV-4-33. The FAA register lists Equinox Instruction as the registrant in Tulsa, Oklahoma. The current certificate of registration was issued on August 3, 2020 and expires on August 31, 2027.

The FAA aircraft reference file describes the type as a single-engine piston, one Ama/Expr UNKNOWN ENG engine and 4 seats. Its airworthiness certificate is standard category (normal), dated May 7, 1951.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N91140. 3 earlier records involve a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1967-08-05 Accident · Warwick, Ny, 32 Damage: Substantial NTSB · 3 2628
Reported aircraft: Navion A — a different aircraft that carried the N91140 registration before this airframe.
Probable cause: ENT STRENGH. REPLACEMENT TIME UNKNOWN.
1967-02-03 Accident · Schenectady,Ny, 32 Damage: Substantial NTSB · 3 0350
Reported aircraft: Navion A — a different aircraft that carried the N91140 registration before this airframe.
Probable cause: ECKED OK AFTER ACCIDENT.SAFE INDICATION BFOR LNDG.
1966-06-30 Accident · Blairsville Pa, 38 Damage: Substantial NTSB · 3 2036
Reported aircraft: Navion A — a different aircraft that carried the N91140 registration before this airframe.

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

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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.