- Date
- March 30, 2022, 12:00 local (18:00 UTC)
- Place
- Swan Valley, ID · Private air strip
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N35AHAviat A-1B
- Defining event
- Landing-landing roll: Loss of control on ground
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- Investigation class
- Class 4 - Basic report with no Prelim publish
- NTSB office
- Western Pacific Region
- Parties
- FAA
- FAA report
- 20220330004459A
- Case key
- 104881
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 failure to maintain airplane control during the landing roll on a snow-covered runway surface.
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.
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 reported that, during a landing on a snow-covered, private grass airstrip, he did not adequately confirm the landing surface condition. Subsequently, as the airplane slowed down during the landing roll, the landing gear penetrated through a shallow layer of hard packed snow and then dug into several inches of snow, which caused the airplane to nose over. The airplane sustained substantial damage to the right wing. The pilot reported no preaccident malfunctions or failures with the airplane that would have precluded normal operation.
Aircraft
- Registration
- N35AH
- Reported as
- Aviat A-1B
- Category
- Airplane
- Serial number
- 2417
- Built
- 2007
- Airframe hours
- 1,082
- Engine
- Lycoming IO-360-A1D6, 200 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Registered owner
- K9 Air LLC
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · April 1, 2021
- Departed
- IDA · Idaho Falls, ID
- Airport
- PVT · Diamond AIrstrip, runway 10/28, 2,000 × 90 ft, snow
- Equipment
- Electronic primary flight display, Onboard weather, Electronic flight bag or handheld device, ADS-B, Stall warning system
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
- 65
- Injuries
- Minor
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Medical
- Class 3, With waivers/limitations
- Last flight review
- June 15, 2021
- Seat
- Front
- Restraint
- 5-point
- Flight hours
- 1,955 total · 443 in this make and model · 1,894 as pilot in command · 13.6 in the last 90 days · 7 in the last 30 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 70° at 4 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- None
- Temperature
- 37 °F, dew point 19 °F
- Altimeter
- 30.00 inHg
- Observed at
- KDIJ, 18 nm away
- METAR
- KDIJ 301856Z AUTO 07004KT 10SM CLR 03/M07 A3000 RMK AO2 SLP178 T00331067
Docket · 2
The files NTSB released with the investigation on June 30, 2022, on NTSB’s docket system: statements, records, photos and specialists’ reports. 4.6 MB 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.
Other investigations on N35AH · 1
Matched to the same aircraft by N-number and date.