- Registered owners
- Olson Robert LDunlop Janet N
- Location
- Yuba City, CA
- Owner type
- Co-owned
- Serial number
- 93
- Year built
- 1948
- Type
- Rotorcraft
- Engine
- Reciprocating
- Airworthiness
- Multiple
- Airworthiness date
- April 14, 1975
- Certificate issued
- May 22, 1999
- Expires
- April 30, 2030
- Mode S code
- AC9D79
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Franklin 6A4200 model are included below.
On this page
Airworthiness directives that may apply · 64
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1960 | 1 |
|---|---|
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1965 | 1 |
| 1970 | 3 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 3 |
| 1977 | 1 |
| 1978 | 1 |
| 1980 | 1 |
| 1981 | 3 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1996 | 1 |
| 1998 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2005 | 1 |
| 2009 | 1 |
| 2021 | 1 |
| 2023 | 1 |
See all 67 ADs
Information bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations · 7
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
NTSB BFO95LA084Accident · No injuriesLimited investigationFinal reportSidney, OHthe student pilot's abrupt touchdown while landing in a field. Related factors are the student pilot's failure to attain the proper descent rate during the approach to landing, and the flight instructor's inadequate supervision of the student.NTSB MIA81FKJ03Accident · No injuriesClosedPanama City, FLNTSB CHI77FEK01Accident · No injuriesClosedJohnstown, OHNTSB NYC72FID13Accident · 1 fatalClosedMillers Tavern, VANTSB FTW69F0392Accident · No injuriesClosedDenton, TXNTSB DIA68A0012Accident · No injuriesClosedCurrituck, NCNTSB MIA66A0027Accident · No injuriesClosedSligo, NC
FAA incident reports · 3
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Accident 19950822033149ALevel Off Touchdown · Sidney, OHHard landing in soybeans. Unable to pull more pitch to flare on practice landing. Chopped tail. Belated pitch use. (-23) a flight instructor and student on an instructional flight were returning to the base of operation. The student was attempting to make a…Accident 19801108063629APwr Off Run Land (Autorotation · Panama City Bea, FLTail rotor failed & helicopter crashed during emergency landing. Loss of grease fitting caused lack of lubrication.Accident 19761001032119AFcd/Prec Ldg From Cruise · Johnstown, OHNr 1 & 2 conrod separated,camshaft bkn at 4 lobepwr plt-prior eng overspeed
Service difficulty reports
No reports matched to N9115RGeneral 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 Bell 47D1 aircraft
STCs that may be installed · 128
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Bell 47D1
STC SA800EAInstallation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power suppliesSTC SA5581SWInstallation of ALCOR true-flow/ totalizer systemSTC SH3319NMInstallation of Precise Flight Pulselite Control Unit in the
Landing /Taxi Recognition Visual Control Light system,