- Date
- June 18, 1985, 17:38 local (23:38 UTC)
- Place
- Gibbonsville, ID
- Injuries
- 3 fatal
- Damage
- Destroyed
- Phase of flight
- Unknown
- Aircraft
- N121AMaule M-6-235
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19850618029459A
- Case key
- 40050
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Analysis
The plt and two passengers departed on a 2 hr flt for the purpose of conducting aerial observation of mine sites. The acft was operating in mountainous terrain during hot temp conditions resulting in a high density alt. There were no witnesses to the accident. The acft descended to and impacted the ground in a near veritcal attitude indicative of the inital phase of a stall. There was no evidence of any airframe nor powerplant malfunction. The plt had been operating the accident acft in the geographic and environmental conditions near the accident site for the previous year.
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Aircraft
- Registration
- N121A
- Reported as
- Maule M-6-235
- Category
- Airplane
- Serial number
- 7459C
- Airframe hours
- 5,802
- Engine
- Lycoming IO-540-W1A5D, 235 horsepower, reciprocating
- Damage
- Destroyed
- Flight
- Part 135
- Operator
- Alpine Air Service
- Registered owner
- Salmon Alpine Air Service
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · May 31, 1985 · 334 hours before
- Departed
- SMN · Salmon, ID
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 46
- Certificates
- Commercial, Flight instructor
- Airplane ratings
- Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Toxicology
- Performed
- Flight hours
- 3,555 total · 605 in this make and model · 183 in the last 90 days · 82 in the last 30 days · 4 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 320° at 3 knots
- Visibility
- 25 statute miles
- Lowest ceiling
- None
- Temperature
- 81 °F, dew point 55 °F
- Observed at
- SMN, 27 nm away
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.