- Registered owner
- Madden Russell E
- Location
- Graford, TX
- Owner type
- Individual
- Serial number
- 1072/58-5423
- Type
- Rotorcraft
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- June 12, 1979
- Certificate issued
- May 29, 2013
- Expires
- May 31, 2029
- Mode S code
- AD69C7
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 42
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1964 | 1 |
|---|---|
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1977 | 2 |
| 1978 | 5 |
| 1979 | 1 |
| 1980 | 3 |
| 1981 | 4 |
| 1982 | 3 |
| 1983 | 1 |
| 1984 | 1 |
| 1986 | 2 |
| 1991 | 1 |
| 1997 | 2 |
| 2001 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2025 | 1 |
See all 45 ADs
Information bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N9631AMatched 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 Hiller UH-12E aircraft
FAA incident reports
No FAA accident or incident reports matched to N9631AMatched 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 Hiller UH-12E aircraft
Reports on N9631A not matched to an aircraft · 1
They name N9631A, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.
Service difficulty reports
No reports matched to N9631AGeneral 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 Hiller UH-12E aircraft
STCs that may be installed · 74
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Hiller UH-12E
STC SR04637CHReplacement of existing main ship battery with Lithium Ion Battery and installation of Annunciator Control
PanelSTC SH3319NMInstallation of Precise Flight Pulselite Control Unit in the
Landing /Taxi Recognition Visual Control Light system,STC SH1152NWInstallation of the Automatic Flagman Model 135 Control Stick Grip
Earlier aircraft with this N-number · 1
This aircraft carried N9631A before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.