- Registered owner
- Alaska Tactical Aviation LLC
- Location
- Palmer, AK
- Owner type
- LLC
- Serial number
- S-156
- Year built
- 1974
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Standard, normal
- Airworthiness date
- July 5, 2018
- Certificate issued
- November 4, 2021
- Expires
- November 30, 2028
- Mode S code
- AC9A6F
Messerschmitt-Boelkow-Blohm-Gm BO-105CTCDS H3EUAirframe · Messerschmitt-Boelkow-Blohm-Gm BO-105CTCDS E4CEEngine · Allison 250-C20
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 63
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1972 | 1 |
|---|---|
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 8 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 2 |
| 1981 | 2 |
| 1982 | 2 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 1999 | 3 |
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 1 |
| 2005 | 3 |
| 2006 | 2 |
| 2012 | 2 |
| 2013 | 4 |
| 2015 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 6 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Airframe · Messerschmitt-Boelkow-Blohm-Gm BO-105C
AD 2025-25-05Rotorcraft Flight ControlAD 2024-20-07Emergency Equipment; Emergency Flotation SectionAD 2023-11-07Ground Proximity SystemInformation bulletins that may apply · 2
Advisory, not mandatory.
Airframe · Messerschmitt-Boelkow-Blohm-Gm BO-105C
SAIB SW-08-42Emergency Float with Liferaft Kits (kits)Engine · Allison 250-C20
SAIB CE-01-10NTSB investigations
No NTSB investigations matched to N911ANMatched 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 Messerschmitt-Boelkow-Blohm-Gm BO-105C aircraft
FAA incident reports
No FAA accident or incident reports matched to N911ANMatched 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 Messerschmitt-Boelkow-Blohm-Gm BO-105C aircraft
Service difficulty reports
No reports matched to N911ANGeneral 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 Messerschmitt-Boelkow-Blohm-Gm BO-105C aircraft
STCs that may be installed · 88
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.