# NTSB SEA88LA126: Beech C23, N18823, The Dalles, OR, July 13, 1988

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: July 12, 1988, 18:30 local (Jul 13, 1988, 01:30 UTC)
- Place: The Dalles, OR
- Coordinates: 45.540229, -121.149787 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.5402&lon=-121.1498&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report June 9, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 40842
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA88LA126
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40842/pdf
- Page: https://openairdocs.org/ntsb/SEA88LA126

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, cruise
  - fluid,fuel - exhaustion (cause)
  - fuel consumption calculations - misjudged, pilot in command (cause)
- Forced landing, descent - emergency
- Nose over, landing
  - terrain condition - soft (contributing factor)

## Analysis

CFI UNDERESTIMATED FUEL CONSUMPTION ON MULTI-STOP CROSS COUNTRY AND DID NOT VISUALLY CHECK FUEL REMAINING PRIOR TO LAST DEPARTURE. FUEL EXHAUSTION OCCURRED 18 MINUTES INTO FLIGHT. ACFT FLIPPED INVERTED ON FORCED LANDING.

## Aircraft

- Registration: [N18823](https://openairdocs.org/deregistered/N18823-2013-10-23), registration cancelled 2013-10-23, S/N M-1951, built 1977 (OpenAirDocs)
- Reported make and model: BEECH C23
- Registry model: [Beech C23](https://openairdocs.org/model/beech-c23) (registry code 1151242) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: M 1951
- Airframe hours: 1280
- Engines: LYCOMING O-360-A4K 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Richard Aukema, doing business as Aero West, Inc.
- Registered owner: Richard L Aukema
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 4, 1988, 8 hours before
- Departed: 4S2, HOOD RIVER, OR
- Destination: TTD, TROUTDALE, OR
- Flight plan: IFR
- Airport: DLS, The Dalles Muni, runway 12, 5,097 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 30; flight instructor, airline transport, commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 960 total, 30 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 30 statute miles
- Lowest ceiling: 9,000 ft broken
- Observed at: DLS

## 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 19880713026379A](https://openairdocs.org/incident/19880713026379A), Jul 13, 1988: Beech C23, The Dalles, OR, Substantial damage. Fuel exhaustion on a crosscountry flight. Forced landing on a soft field. Flipped over on landing rollout.

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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