Single-engine piston

N11DP

1972 Homebuilt Special II

Registered No accidents on file
Built
1972
Serial
2
Class
Single-engine piston
Engines
Lycoming I0360 SER A&C
Status
Current as of October 2026
Registered owner
Dennis Polen Educational Foundation (Corporation)
Based
Granbury, TX
Registration record

N11DP on the FAA register

Type
1972 Homebuilt Special II
Serial
2
Engines
Lycoming I0360 SER A&C
Registered owner
Dennis Polen Educational Foundation
Granbury, TX
Certificate issued
2016-02-03
Airworthiness date
1999-07-20
Registration expires
2029-02-28
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A02A33
Mode S (octal)
50025063
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-02-28
    Registration expires (renewal due).
  • 2016-02-03
    Certificate of registration issued as N11DP.
  • 1999-07-20
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1972
    Manufactured (1972).
Overview

About N11DP

N11DP is a 1972 Homebuilt Special II, serial number 2. The FAA register lists Dennis Polen Educational Foundation as the registrant in Granbury, Texas. The current certificate of registration was issued on February 3, 2016 and expires on February 28, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming I0360 SER A&C engine and 1 seats. Its airworthiness certificate is experimental category (amateur-built), dated July 20, 1999.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N11DP.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N11DP.

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

Same state

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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.