- Registered owner
- Hill Lawrence E
- Location
- Marion, MT
- Owner type
- Individual
- Serial number
- 2404
- Type
- Fixed wing multi engine
- Engine
- Reciprocating
- Airworthiness
- Standard
- Airworthiness date
- August 6, 1958
- Certificate issued
- May 9, 2014
- Expires
- May 31, 2027
- Mode S code
- A8427E
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Wright C9HD 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 N631LSMatched 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 Lockheed 18-56 aircraft
FAA incident reports · 1
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Service difficulty reports
No reports matched to N631LSGeneral 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 Lockheed 18-56 aircraft
STCs that may be installed
No STCs matched this aircraft’s modelsSTCs are matched through the model’s type certificate data sheet, and this registry model isn’t matched to one.