Single-engine piston

N4765M

1947 Piper PA-11

Registered 1 NTSB/FAA record
Built
1947
Serial
11-280
Class
Single-engine piston
Engines
Continental C85 series
Status
Current as of October 2026
Registered owner
Shamrock Aviation LLC (LLC)
Based
Seabrook, NH
Registration record

N4765M on the FAA register

Type
1947 Piper PA-11
Serial
11-280
Engines
Continental C85 series
Registered owner
Shamrock Aviation LLC
Seabrook, NH
Certificate issued
2026-10-28
Airworthiness date
1964-05-05
Registration expires
2033-10-31
Airworthiness class
Multiple
Mode S (hex)
A5DA77
Mode S (octal)
51355167
Seats (type)
2
Weight class
up to 12,499 lb
Range (type)
603 nm
Cruise (type)
148 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2033-10-31
    Registration expires (renewal due).
  • 2026-10-28
    Certificate of registration issued as N4765M.
  • 1965-11-14
    Accident at Lambert Mont, 26; damage: substantial.
  • 1964-05-05
    Airworthiness date on the current FAA record (multiple category).
  • 1947
    Manufactured (1947).
Overview

About N4765M

N4765M is a 1947 Piper PA-11, serial number 11-280. The FAA register lists Shamrock Aviation LLC as the registrant in Seabrook, New Hampshire. The current certificate of registration was issued on October 28, 2026 and expires on October 31, 2033.

The FAA aircraft reference file describes the type as a single-engine piston, one Continental C85 series engine and 2 seats. Published figures for the type give a cruise speed of about 148 knots and a range of about 603 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is multiple category, dated May 5, 1964.

N4765M has 1 accident/incident record on file (most serious damage: substantial); details are below.

Cruise
148 kt
Range
603 nm
Takeoff over 50 ft
1,290 ft
Landing over 50 ft
750 ft
Fuel burn
14 gph

Published figures for the Piper PA-11 type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

1965-11-14 Accident · Lambert Mont, 26 Damage: Substantial NTSB · 3 3688
Reported aircraft: Piper PA-11

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.