Aircraft Accident/Incident Report

Aspen, Colorado 81611
Saturday, October 23, 1999 12:48 MDT

NTSB Narrative Summary Released at Completion of Accident

Following takeoff on the return leg of a cross-country flight, the pilot flew directly up a valley, which required the aircraft to climb from the airport altitude of 7,815 feet to clear a pass 12,095 feet high in 19 miles. The temperature was 20 degrees above standard and the distance to climb was calculated from the performance section of the flight manual to be 28.6 miles. The pilot flew up the center of the valley and when the terrain out climbed the aircraft, she had insufficient space to do a reversal. A witnessed forced landing was made on the side of a mountain, above timberline, at 11,948 feet elevation. The upslope was 19 degrees and the side slope was 7 degrees. The terrain was rough and rocky.

NTSB Probable Cause Narrative

the pilot's improper decision to fly directly up the center of the valley and not circle climb to gain sufficient terrain clearance altitude. A factor was inadequate route performance planning by the pilot.

Event Information

Type of Event Accident
Event Date 10/23/1999
Event Day of the Week Saturday
Time of Event 1248
Event Time Zone Mountain Daylight Time
Event City ASPEN
Event State COLORADO
Event Country --
Zipcode of the event site 81611
Event Date Year 1999
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Unknown
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1253 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 270
Weather Observation Facility ID ASE
Elevation of weather observation facility 7815
Distance of event from weather observation facility (units?) 19
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 62
Dew Point at event time (in degress fahrenheit) 8
Wind Direction (degrees magnetic) 350
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 9800
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious 2
Injury Total All 3
Investigating Agency NTSB
NTSB Docket Number (internal use) 10487
NTSB Notification Source --
NTSB Notification Date Oct 23 1999 12:00AM
NTSB Notification Time 1605
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Sep 19 2001 10:36AM
User who most recently changed record NTSB\MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9548A
NTSB Number DEN00FA009
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Cessna
Aircraft Model 172R
Aircraft Series Identifier 172R
Aircraft Serial Number 17280509
Certified Max Gross Weight 2450
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Oct 1 1999 12:00AM
Airframe hours since last inspection 31
Airframe Hours 400
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ROGER M. NUTTER & OTHERS
Aircraft Owner Street Address 1947 AVAITION WAY
Aircraft Owner City COLO. SPRINGS
Aircraft Owner State CO
Aircraft Owner Country
Aircraft Owner Zipcode 80916
Operator is an individual? --
Operator Name PIKES PEAK PILOT CENTER
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code ASE
Departure City
Departure State
Departure Country
Departure Time 1228
Departure Time Zone MDT
Destination Same as Local Flt --
Destination Airport Code COS
Destination City COLO. SPRINGS
Destination State CO
Destination Country
Specific Phase of Flight Climb
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Aug 24 2001 4:00AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --