GAA19CA507

NTSB accident investigation · Maule M5 · Anchorage, AK · August 22, 2019

Accident · No injuriesData collectionFinal report
Date
August 22, 2019, 10:45 local (18:45 UTC)
Place
Anchorage, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N9096EMaule M5
Defining event
Landing: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report February 11, 2020
Report
Approved by Office Director
NTSB office
General Aviation Accidents
Parties
FAA
FAA report
20190822022999A
Case key
100130

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

On this page

Probable cause

The pilot's excessive braking during landing on a dry lakebed, which resulted in a nose-over.

Findings · 3

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Use of equip/info: use of equip/systemPersonnel issues › Task performance · PilotMaule M-5-235C: 4 casesAll aircraft: 1,391 casesProbable cause
Landing gear system: brakeAircraft › Aircraft systems · Incorrect use/operationMaule M-5-235C: 2 casesAll aircraft: 297 casesProbable cause
Runway/land/takeoff/taxi surface: soft surfaceEnvironmental issues › Physical environment · Effect on operationMaule M-5-235C: 3 casesAll aircraft: 264 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot of the tailwheel-equipped airplane reported that, after a three-point landing on a dry lakebed, the main landing gear "hit an unseen undulation in the landing pathway," and the airplane bounced. As the main landing gear touched down again, the pilot applied heavy braking, and the airplane nosed over. The airplane sustained substantial damage to the engine mount, right wing, and left-wing lift strut. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Factual narrative

The pilot of the tailwheel-equipped airplane reported that, after a three-point landing on a dry lakebed, the main landing gear "hit an unseen undulation in the landing pathway" and the airplane bounced. As the main landing gear touched down again, the pilot applied heavy braking and the airplane nosed over. The airplane sustained substantial damage to the engine mount, right wing and the left-wing lift strut. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Aircraft

Registration
N9096E
Reported as
Maule M5 (235C)
Category
Airplane
Serial number
7095C
Built
1977
Airframe hours
1,076.7
Engine
Lycoming O-540, 235 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · August 31, 2018
Departed
PAMR · Anchorage, AK
Destination
Anchorage, AK
Equipment
Electronic flight bag or handheld device

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
45
Injuries
None
Certificates
Flight instructor, Commercial, Airline transport
Airplane ratings
Multi-engine land, Single-engine land, Single-engine sea
Instrument ratings
Airplane, Helicopter
Medical
Class 1, Without waivers/limitations
Last flight review
August 12, 2019
Seat
Right
Restraint
3-point
Flight hours
10,900 total · 230 in this make and model · 10,000 as pilot in command · 30 in the last 90 days · 15 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
330° at 6 knots
Visibility
8 statute miles
Lowest ceiling
20,000 ft broken
Temperature
61 °F, dew point 43 °F
Altimeter
29.65 inHg
Observed at
PANC, 58 nm away

Docket · 2

The files NTSB released with the investigation on October 24, 2019, on NTSB’s docket system: statements, records, photos and specialists’ reports. 991 KB in all.

FAA reports on this event · 1

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