- Registered owners
- Morten John E DBAMorten Helicopters
- Location
- Larimore, ND
- Owner type
- Individual
- Serial number
- 71-20544
- Year built
- 1971
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Experimental, exhibition, research and development
- Airworthiness date
- August 18, 2005
- Certificate issued
- August 14, 2015
- Expires
- August 31, 2028
- Mode S code
- A155CF
Garlick Helicopters OH-58CTCDS R00006DEAirframe · Garlick Helicopters OH-58CTCDS E2SOEngine · Allison T63 series
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Allison T63 model are included below.
On this page
Airworthiness directives that may apply · 1
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
Engine · Allison T63 series
AD 2012-03-06Fuel servo diaphragmInformation bulletins that may apply · 4
Advisory, not mandatory.
Airframe · Garlick Helicopters OH-58C
SAIB SW-07-37R1Corrosion on Main Rotor BladeHistorical bulletins · 1
NTSB investigations
No NTSB investigations matched to N1851WMatched 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 Garlick Helicopters OH-58C aircraft
FAA incident reports
No FAA accident or incident reports matched to N1851WMatched 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 Garlick Helicopters OH-58C aircraft
Service difficulty reports
No reports matched to N1851WGeneral 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 Garlick Helicopters OH-58C aircraft
STCs that may be installed · 51
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Garlick Helicopters OH-58C
STC SR02249LAInstallation of replacement tail rotor bladeSTC SR01018SEFabrication of Dart D058-676-101 Forward Crosstube and D058-676-201 Aft CrosstubeSTC SR00912SEReplacement of the original landing gear skid tubes and saddles
with DART Aerospace Model D058-672-011 and 012, or D058-672-013 and 014 skid tubes and saddles
Earlier aircraft with this N-number · 1
This aircraft carried N1851W before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.