LAX83IA147

NTSB incident investigation · Douglas DC-9-10 · Salt Lake City, UT · March 17, 1983

Incident · No injuriesIncident investigationFinal report
Date
March 17, 1983, 00:00 local (07:00 UTC)
Place
Salt Lake City, UT
Injuries
84 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N9356Douglas DC-9-10
Weather
Instrument (IMC) · Day
Status
Completed
Report
Approved by Office Director
Case key
23583

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

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.

Loss of control - in flightClimb - to cruise
Flight control system - frozenCause
Weather condition - icing conditionsFactor

Analysis

During climb to 28,000 ft at 20,000 ft the auto-pilot disengaged and the crew reported that they could not move the control column to control pitch. The acft was operating in icing conditions at the time. The crew landed the acft by utilizing the trim control.

Aircraft

Registration
N9356
Reported as
Douglas DC-9-10
Category
Airplane
Serial number
47086
Engine
P&W JT8D, 15,000 lbs thrust, turbo fan
Damage
No damage
Flight
Part 121
Registered owner
Republic Airlines
Airworthiness certificate
Standard, Transport
Departed
SLC · Salt Lake City, UT
Destination
TWF · Twin Falls, ID
Flight plan
IFR

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
45
Certificate
Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
14,615 total · 7,615 in this make and model · 200 in the last 90 days · 7 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Wind
300° at 6 knots
Lowest ceiling
1,100 ft broken
Temperature
36 °F
Observed at
SLC, 45 nm away