Registry / North American / AT-6F / N81854

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N81854 V

North American AT-6F · 1944 · Saint Charles, MO

This aircraft — FAA registration facts

N81854 is a 1944 North American AT-6F (serial 44-81857), registered to Vallero Gregory A (co-owner) in Saint Charles, MO. Its FAA registration is recorded as v and expires August 2028; the airworthiness certificate dates from October 2002 (24 years ago). It carries a P&W R1340 SERIES engine rated at 600 hp, the engine on 95% of registered North American AT-6Fs. Its Mode-S transponder broadcasts the ICAO 24-bit address AB2A38. It is one of 22 North American AT-6F aircraft on the FAA registry.

Registered owner
Vallero Gregory A
Owner type
Co-Owner
Based in
Saint Charles, MO
Serial number
44-81857
Year built
1944 · 82 yrs old
Airworthiness class
1
FAA status
V
Mode-S / ICAO24
AB2A38 · 52625070 octal
Certificate issued
Aug 7, 2012
Airworthiness date
Oct 24, 2002
Last FAA activity
Jun 3, 2023
Registration expires
Aug 31, 2028
FAA region
3

Source: FAA aircraft registry (public record). Community reviews and photos below.

Engine on this aircraft

Engine
P&W R1340 SERIES
Engine type
Reciprocating (Piston)
Rated power
600 hp
Power per seat
300 hp
FAA engine code
52016

21 of the 22 registered North American AT-6F carry this engine (95%), across 2 engine variants on the type.

Source: FAA engine reference (ENGINE.txt), matched on this registration's engine code.

Community facts about N81854

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Flight history & live tracking recent positions on file

ICAO24: ab2a38
Last known — 1 week ago N81854
Observed 2026-10-13 15:18:08 MST
Auto-refresh • Updated 0s ago
Ground speed
138 kt
Altitude (baro)
1,700 ft
Track
331.0°
Squawk
—
Wind / OAT
—
Autopilot target
—
Lat 38.93596, Lng -90.66234
Map loads when scrolled into view …
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Aircraft Type — ACFTREF 6400420

North American AT-6F
Engines: 1
Type: piston
Seats: 2
Cruise: 123 KTAS
Category: Standard

Engine — CODE 52016

Manufacturer: P&W
Model: R1340 SERIES
Type: Reciprocating (Piston)
Horsepower: 600 HP

FAA Registration Record

N-Number: N81854
Serial Number: 44-81857
Year Manufactured: 1944
ACFTREF Code: 6400420
Engine Code: 52016
Status: V (V)
Certification: 1
Type Aircraft: Fixed Wing Single Engine (4)
Type Engine: Reciprocating (Piston) (1)
Source: master

Documents & resources

Commonly available reference sources for the North American AT-6F. Always confirm against the manufacturer's current, authoritative publication for your specific aircraft.

View the North American AT-6F model overview, reviews & photos →

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Transponder / ADS-B

Mode S (octal): 52625070
ICAO 24-bit (hex): AB2A38

Registrant

Vallero Gregory A
Co-Owner
2053 Hackmann Estates Dr
Saint Charles, MO, 633034465
FAA Region: 3
Additional Names
VALLERO VICKIE J

Key Dates

Certificate Issued Aug 7, 2012
Airworthiness Oct 24, 2002
Expiration Aug 31, 2028
Last Activity Jun 3, 2023
Data as of Oct 5, 2026

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