Hammond Mark O MH 1
N234MH is a Hammond Mark O MH 1, a fixed-wing airplane with one motor with a piston engine. It has 2 seats. It is registered to an individual in Collinsville, Texas. The registration is valid: it was issued on October 14, 2023 and expires on October 31, 2030. It holds an experimental airworthiness certificate for amateur built, dated March 2, 2002.
Aircraft
- Maker
- Hammond Mark O
- Model
- MH 1
- Serial number
- 001
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor
- Seats
- 2
- Year built
- Not given
- Transponder code
- A21877 (octal 50414167)
Registration
- Status
- Valid registration
- Certificate issued
- October 14, 2023
- Expires
- October 31, 2030
- Last FAA action
- February 26, 2024
- Airworthiness
- Experimental · Amateur built · March 2, 2002
- FAA region
- Southwestern
- FAA record id
- 00593707
Owner as the FAA publishes it
- Name
- Gengenbach Joseph A
- Type
- Individual
- Address
- 768 Pop Noah Rd
Collinsville, TX 76233-3310
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Records check free · 1 to understand · 3 clear
The public federal record on N234MH, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Gengenbach Joseph A, an individual, certificate issued October 14, 2023, expires October 31, 2030. No fractional interest recorded. [1]
Experimental certificate for amateur built; the FAA file gives no certificate date and no manufacture year. [1]
No earlier tail number is recorded against serial 001 for this model in the deregistered file. [2]
No other airframe has carried N234MH according to the deregistered file. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
1 NTSB record under N234MH: Accident on June 19, 2008 at Mccall, ID: no injuries, substantial damage. Details below. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
NTSB records 1
Aircraft on the NTSB record: Hammond MH1 · operated under 091
The pilot's failure to maintain directional control during the landing roll, resulting in a inadvertent ground loop. Contributing to the accident were variable winds that resulted in a landing tailwind, and rough terrain.
Search the NTSB's CAROL system for SEA08CA153 for the docket and final report. Open CAROL
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data