SEA86LA029

NTSB accident investigation · Maule M-5-180C · Idaho Falls, ID · December 7, 1985

Accident · No injuriesLimited investigationFinal report
Date
December 7, 1985, 15:30 local (22:30 UTC)
Place
Idaho Falls, ID
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N5635DMaule M-5-180C
Weather
Instrument (IMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19851207061149A
Case key
40338

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.

Loss of engine power(total) - nonmechanicalApproach - faf/outer marker to threshold (ifr)
Induction air control/system - iceCause
Forced landingDescent - emergency
Nose overLanding - flare/touchdown
Terrain condition - snow coveredFactor

Analysis

A total loss of power occurred during an ILS approach due to induction ice. During touchdown on 12 inches of snow a nose over occurred.

Aircraft

Registration
N5635D
Reported as
Maule M-5-180C
Category
Airplane
Serial number
8006C
Airframe hours
1,350
Engine
Lycoming O-360-CIF, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Positioning · Part 91
Registered owner
Richard Roth
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · September 1, 1985 · 45 hours before
Departed
BZM · Bozeman, MT
Destination
TWF · Twin Falls, ID
Flight plan
IFR
Airport
IDA · Idaho Falls, runway 202, 8,997 × 150 ft, snow

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
40
Certificates
Commercial, Airline transport, Flight instructor
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
5,905 total · 121 in this make and model · 5,905 as pilot in command · 120 in the last 90 days · 4 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Wind
10° at 6 knots
Visibility
2 statute miles
Lowest ceiling
1,000 ft overcast
Temperature
27 °F, dew point 25 °F
Altimeter
30.00 inHg
Observed at
IDA, 5 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.