- Registered owner
- Mdm Services LLC
- Location
- Helena, MT
- Owner type
- LLC
- Serial number
- AL-398
- Year built
- 2025
- Type
- Fixed wing single engine
- Engine
- 4 cycle
- Airworthiness
- Experimental, amateur built
- Airworthiness date
- October 20, 2025
- Certificate issued
- June 27, 2025
- Expires
- June 30, 2032
- Mode S code
- AC9152
- Kit
- American Legend Aircraft Co AL18
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Cont IOX370 model are included below.
On this page
Airworthiness directives that may apply · 0
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
No ADs matched this aircraft’s modelsADs on appliances, propellers and installed equipment aren’t matched by model; check those separately.
Information bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N909HHMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on MDM Services AL-18 aircraft
FAA incident reports
No FAA accident or incident reports matched to N909HHMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on MDM Services AL-18 aircraft
Service difficulty reports
No reports matched to N909HHGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on MDM Services AL-18 aircraft
Reports on N909HH not matched to an aircraft · 2
They name N909HH, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.
SDR 2005FA0000376Shaft · brokenSHAFT SECURING TORQUE LINK TO RT MLG STRUT FOUND BROKEN DURING INSPECTION. THIS TORQUE LINK IS AT TOP OF STRUT AND ROTATES LOWER STRUT 90 DEGREES DURING RETRACT/ EXTEND CYCLE. INSTALLED NEW SHAFT. (K)SDR 62691Tire · groovedTHIS AIRCRAFT HAS CLEVELAND BRAKES INSTALLED. THE CLEARANCE BETWEEN THE TIRE SIDEWALL AND BRAKE IN MINIMAL. WHEN THE SIDEWALL FLEXES DURING LANDING IT CONTACTS THE BRAKE CAUSING A 360 DEGREE GROVE IN THE TIRE SIDEWALL. THIS DOES NOT SEEM TO OCCUR WITH OTHER
STCs that may be installed
No STCs matched this aircraft’s modelsSTCs change type-certificated designs, and this aircraft isn’t type certificated.