FTW85LA092

NTSB accident investigation · Gates Learjet 25B · Oklahoma City, OK · January 5, 1985

Accident · No injuriesLimited investigationFinal report
Date
January 5, 1985, 16:00 local (22:00 UTC)
Place
Oklahoma City, OK
Injuries
6 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N55PTGates Learjet 25B
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850105070759A
Case key
21653

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

On this page

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.

OverrunLanding - roll
Distance - misjudgedPilot in commandCause
Airspeed - misjudgedPilot in commandCause
Proper touchdown point - exceeded
Remedial action - delayedPilot in commandCause
Go-around - not performed
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - softFactor
Terrain condition - wetFactor

Analysis

The plt-in-command (PIC) reported that after touchdown, the spoilers & brakes were applied, but no braking action was felt although peddle pressure was evident. He stated that by the time it was clear that the brakes were ineffective,insufficient rwy remained to go around. He stated that power was reduced & the acft went off the end of the rwy. No skid marks were found going off the departure end. Witnesses said the acft had landed about half way down the rwy. They did not hear the engs 'run up' until after the acft went off the rwy's end. After departing the rwy, the acft encountered soft muddy terrain & was damaged. No discrepancies were found during an exam of the brakes, anti-skid, spoilers, wing flaps emerg brakes & drag chute.

Aircraft

Registration
N55PT
Reported as
Gates Learjet 25B
Category
Airplane
Serial number
171
Airframe hours
4,360
Engine
GE CJ-610-6, 2,950 lbs thrust, turbo jet
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Goodair, Inc.
Airworthiness certificate
Standard, Normal
Departed
PBI · W Palm Beach, FL
Flight plan
IFR
Airport
OK15 · Sundance, runway 35, 5,000 × 100 ft, concrete

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
53
Certificates
Airline transport, Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Right
Flight hours
18,085 total · 838 in this make and model · 17,848 as pilot in command · 87 in the last 90 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
300° at 4 knots
Visibility
25 statute miles
Lowest ceiling
None
Temperature
46 °F
Observed at
OKC

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.