ANC86LA040

NTSB accident investigation · Cessna 170-B · Whittier, AK · March 22, 1986

Accident · No injuriesLimited investigationFinal report

Date: March 22, 1986, 10:15 local (14:15 UTC)
Place: Whittier, AK
Injuries: 1 uninjured
Damage: Substantial damage
Phase of flight: Landing
Aircraft: N1999CCessna 170-B
Weather: Visual (VMC) · Day
Status: Completed
Report: Approved by Office Director
NTSB office: Alaska Regional Office
FAA report: 19860322007349A
Case key: 4646

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

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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 - on ground/waterLanding - roll

Terrain condition - snow coveredFactor

Preflight planning/preparation - inadequatePilot in commandCause

Directional control - not maintainedPilot in commandCause

Nose downLanding - roll

Analysis

The pilot stated that after touchdown he realized that the snow was soft. The aircraft nosed over on its back.

Aircraft

Registration: N1999C
Reported as: Cessna 170-B
Category: Airplane
Serial number: 26039
Airframe hours: 2,680
Engine: Continental O-300, 145 horsepower, reciprocating
Damage: Substantial damage
Flight: Personal · Part 91
Registered owner: John W. Page
Airworthiness certificate: Standard, Normal
Last inspection: Annual · May 18, 1985 · 50 hours before
Departed: MRI · Anchorage, AK
Airport: AK66 · Whittier, runway 21, 1,500 × 20 ft, snow

N1999CRegistered now · Cessna 170BS/N 26039 · Built 1953 Airframe modelCessna 170B Engine modelContinental C145 seriesReciprocating

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: 42
Certificate: Commercial
Airplane ratings: Single-engine land
Instrument ratings: Airplane
Medical: Class 2, Valid Medical--w/ waivers/lim
Seat: Left
Flight hours: 751 total · 138 in this make and model · 740 as pilot in command · 15 in the last 90 days · 7 in the last 30 days · 1 in the last 24 hours

Weather

Conditions: Visual (VMC) · Day
Wind: 270° at 5 knots
Visibility: 80 statute miles
Lowest ceiling: None
Temperature: 28 °F, dew point 16 °F
Altimeter: 29.00 inHg

FAA reports on this event · 1

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

Accident 19860322007349ACessna 170B · Whittier, AKThought runway was covered with packed snow. Nosed over during touchdown on runway with snow 2 to 3 feet deep.Mar 22, 1986 · N1999C · Substantial damage