- Date
- August 31, 1985, 14:00 local (20:00 UTC)
- Place
- Hayden, CO
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Approach
- Aircraft
- N4780KCessna P210N
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19850831042289A
- Case key
- 16756
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
Plt said eng began surging during descent from curise alt. After adjusting boost pump, throttle, and mixture, surging ceased. Plt said he dropped flaps and lowered landing gear at 2000 ft AGL and 5 mi from arpt. Eng began to surge again. Adjustment of throttle and mixture did not correct condition. Eng then lost all power and plt made forced landing in wheat field 3 mi from arpt. Exam of eng revealed upper deck pressure reference line from manifold to left bank fuel injector nozzle ass'y was disconnected. Line was stuffed underneath other hoses in the eng compartment. Hose clamp was found on metal channel. Maintenance records indicate alternator was replaced 7.3 flying hours before the accident. Upper deck pressure reference line had to be disconnected in order to remove and replace alternator.
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
- N4780K
- Reported as
- Cessna P210N
- Category
- Airplane
- Serial number
- P210-00311
- Airframe hours
- 954
- Engine
- Continental TSIO-520-P, 310 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Registered owner
- Ronald E. Tarrson
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · October 20, 1984 · 89 hours before
- Departed
- LBF · North Platte, NE
- Destination
- HDN · Hayden, CO
- Flight plan
- VFR
- Airport
- HDN · Yampa Valley, runway 28, 6,999 × 100 ft, asphalt
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 46
- Certificate
- Private
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 3, Valid Medical--w/ waivers/lim
- Seat
- Left
- Flight hours
- 843 total · 400 in this make and model · 707 as pilot in command · 30 in the last 90 days · 7 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 220° at 15 knots, gusting 23
- Visibility
- 40 statute miles
- Lowest ceiling
- 12,000 ft broken
- Temperature
- 84 °F, dew point 48 °F
- Altimeter
- 30.00 inHg
- Observed at
- EGE, 53 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.