DEN86FA080

NTSB accident investigation · Boeing 737-300 · Denver, CO · February 20, 1986

Accident · No injuriesField investigationFinal report
Date
February 20, 1986, 15:39 local (21:39 UTC)
Place
Denver, CO
Injuries
111 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N17309Boeing 737-300
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Case key
16809

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Analysis

F/o was on the 3rd initial operating experience flt with a check airman. Capt and f/o had discussed rapid rate of rotation on previous flts and again on accident flt. The f/o performed the takeoff from Denver and exceeded rotation rate of 3 degrees per sec. The aft fuselage underbelly struck the rwy, substantially damaging the aircraft.

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.

On ground/water encounter with terrain/waterTakeoff - roll/run
Procedures/directives - not followedCopilot/second pilotFactor
Aircraft handling - improperCopilot/second pilotCause
Inadequate initial trainingCopilot/second pilotFactor
Insufficient standards/requirements,airmanCompany/operator mgmtFactor
Rotation - excessiveCopilot/second pilotCause
Supervision - inadequatePilot in commandCause

Aircraft

Registration
N17309
Reported as
Boeing 737-300
Category
Airplane
Serial number
23360
Airframe hours
1,591
Engine
GE CFM-56-3, 2,000 lbs thrust, turbo fan
Damage
Substantial damage
Flight
Part 121
Operator
Continental Airlines, Inc.
Registered owner
Wilminton Trust Company
Airworthiness certificate
Standard, Transport
Last inspection
Continuous airworthiness · January 7, 1986 · 5 hours before
Destination
SLC · Salt Lake City, UT
Flight plan
IFR
Airport
DEN · Stapleton Intl, runway 8R, 10,010 × 150 ft, concrete

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
50
Certificates
Commercial, Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
20,000 total · 531 in this make and model · 6 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
30° at 5 knots
Visibility
7 statute miles
Lowest ceiling
20,000 ft broken
Temperature
27 °F, dew point 19 °F
Altimeter
29.00 inHg
Observed at
DEN