# NTSB ANC93LA022: Cessna 172, N8739B, Juneau, AK, December 23, 1992

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: December 23, 1992, 19:47 local (23:47 UTC)
- Place: Juneau, AK
- Coordinates: 58.580566, -134.770492 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=58.5806&lon=-134.7705&mi=10
- Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 30, 1993
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5857
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC93LA022
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5857/pdf
- Page: https://openairdocs.org/ntsb/ANC93LA022

## Probable cause

IMPROPER AIRPORT RAMP OPERATIONS, SPECIFICALLY, THE VEHICLE DRIVER'S OPERATION OF A LOADED FORKLIFT NEAR TAXIING AIRCRAFT AND STANDING AIRCRAFT.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- On ground/water collision with object, standing - engine(s) operating
  - terrain condition - icy
  - airport operations - improper, driver of vehicle (cause)
  - object - vehicle

## Analysis

A RAMP FORKLIFT CARRYING AN AIRCRAFT 'IGLOO' CONTAINER COLLIDED WITH THE RIGHT WING OF AN AIRCRAFT WHICH HAD JUST BEGUN ITS TAXI.  THE PILOT OBSERVED THE FORKLIFT MOVING IN REVERSE FROM HIS RIGHT JUST BEFORE THE IMPACT AND STOPPED THE AIRCRAFT AND PULLED THE MIXTURE TO IDLE CUTOFF. THE AIRPORT RAMP WAS ICE AND SNOW COVERED.

## Aircraft

- Registration: [N8739B](https://openairdocs.org/deregistered/N8739B-1997-03-24), registration cancelled 1997-03-24, S/N 36439 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172](https://openairdocs.org/model/cessna-172) (registry code 2072402) (OpenAirDocs)
- Category: Airplane
- Serial number: 172-36439
- Airframe hours: 4953
- Engines: CONTINENTAL O-300 145 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Kenneth R. Tyler
- Registered owner: Dawn Rossit & Kenneth Tyler
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, August 26, 1992, 93 hours before
- Destination: HNS, HAINES, AK
- Airport: JNU, Juneau

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 32; commercial, 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: 6,690 total, 800 in this make and model, 6,524 as pilot in command, 220 in the last 90 days, 34 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/bright
- Wind: 330° at 4 knots
- Lowest ceiling: none
- Temperature: 19 °F, dew point 16 °F
- Altimeter: 30.00 inHg
- Observed at: JNU, 1 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 (OpenAirDocs).

- [Accident 19921223053779A](https://openairdocs.org/incident/19921223053779A), Dec 23, 1992: Cessna 172, Juneau, AK, Substantial damage. Right wing was hit by fork lift vehicle while taxiing for takeoff. Driver of fork lift unable stop on icy ramp.

## Other investigations on N8739B (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC96FA141](https://openairdocs.org/ntsb/ANC96FA141), Sep 3, 1996: Cessna 172 (N8739B), Eagle River, AK, destroyed, 3 fatal. Probable cause: The first pilot's failure to maintain sufficient distance/altitude from terrain. A box canyon and mountainous terrain are factors in the accident.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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