# NTSB ANC88LA134: Cessna 188B, N9037R, Skwentna, AK, September 11, 1988

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: September 11, 1988, 14:15 local (22:15 UTC)
- Place: Skwentna, AK
- Coordinates: 61.929664, -151.729324 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=61.9297&lon=-151.7293&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report August 8, 1989
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 5075
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC88LA134
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5075/pdf
- Page: https://openairdocs.org/ntsb/ANC88LA134

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - terrain condition - soft (contributing factor)
  - directional control - not maintained, pilot in command (cause)
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
- Nose over, landing - roll

## Analysis

THE AIRLINE TRANSPORT RATED PILOT WAS FLYING A LOAD OF GASOLINE IN A CROP DUSTER TYPE AIRPLANE TO A RESIDENCE IN RURAL ALASKA. THE LANDING SITE WAS A RIVER SAND BAR LOCATED NEAR THE RESIDENCE. THE PILOT STATED, AND WITNESSES CONCUR, THAT THE AIRPLANE'S MAIN LANDING GEAR ENCOUNTERED A SOFT SPOT DURING THE LANDING ROLL AND NOSED OVER. THE PILOT SUFFERED SERIOUS NECK INJURIES IN THE MISHAP. ANOTHER PILOT, WHO WAS ALSO ENGAGED IN HAULING GASOLINE TO THE SAME SITE, SAYS THAT THE ACCIDENT AIRPLANE LANDED OFF TO ONE SIDE FROM THE AREA GENERALLY USED AS A LANDING SITE.

## Aircraft

- Registration: [N9037R](https://openairdocs.org/deregistered/N9037R-1998-03-25), registration cancelled 1998-03-25, S/N 18802087T (OpenAirDocs)
- Reported make and model: CESSNA 188B
- Registry model: [Cessna A188B](https://openairdocs.org/model/cessna-a188b) (registry code 2073005) (OpenAirDocs)
- Category: Airplane
- Serial number: 18802087T
- Engines: CONTINENTAL IO-520 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Operator: Bennett, Dennis E., doing business as G & G Corporation
- Registered owner: Bennett, Dennis E
- Airworthiness certificate: Special, Restricted (Special); Standard, Utility; Standard, Normal
- Departed: Z22, WILLOW, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 45; airline transport; airplane ratings: multi-engine land, single-engine sea, single-engine land; instrument ratings: airplane, helicopter; medical: class 1, valid medical--no waivers/lim.; seat: front; flight hours: 8,500 total, 150 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 50 °F

## 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 19880911038159A](https://openairdocs.org/incident/19880911038159A), Sep 11, 1988: Cessna A188B, Skwentna, AK, Substantial damage. Landed off center of a sandbar landing strip. Hit soft sand and flipped over.

## Other investigations on N9037R (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 ANC77DAA49](https://openairdocs.org/ntsb/ANC77DAA49), Sep 2, 1977: Cessna A188B (N9037R), Prospect Crk, AK, substantial damage

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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