# NTSB DEN87LA135: Cessna 152, N48590, Ogden, UT, May 26, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 26, 1987, 14:15 local (20:15 UTC)
- Place: Ogden, UT
- Coordinates: 41.14989, -111.97956 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.1499&lon=-111.9796&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 10, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 17233
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN87LA135
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/17233/pdf
- Page: https://openairdocs.org/ntsb/DEN87LA135

## Sequence of events

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

- Loss of engine power, maneuvering
  - reason for occurrence undetermined (cause)
- Forced landing, descent - emergency
- On ground/water collision with object, landing - roll
  - object - fence (contributing factor)
  - terrain condition - soft (contributing factor)
  - terrain condition - wet (contributing factor)

## Analysis

THE STUDENT PLT & CFI WERE PRACTICING SLOW FLT & STALLS. CARB HEAT WAS APPLIED BEFORE THE START OF EACH STALL SERIES. DURING THE RECOVERY FROM THE LAST STALL THE STUDENT PLT APPLIED ONLY PARTIAL PWR. THE CFI APPLIED FULL PWR & THE ENG BEGAN TO RUN ROUGH. THE CFI THEN INCREASED THE MIXTURE TO FULL RICH. THE ENG RAN BETTER & RPM INCREASED ABOUT 150- 200 RPM FOR A SHORT TIME BEFORE IT BEGAN TO RUN ROUGH AGAIN AND THEN QUIT ENTIRELY. THE CFI STATED LATER THAT HE WAS SURPRISED WHEN THE PROP STOPPED AT 75-70 KTS IAS. THE CFI ASSUMED CONTROL OF THE ACFT & MADE A FORCED LNDG IN A MARSHY AREA. THE ACFT WENT THROUGH A FENCE AND NOSED OVER. POST-CRASH EXAM OF THE ACFT REVEALED NOTHING THAT WOULD HAVE PRECLUDED NORMAL OPERATIONS.

## Aircraft

- Registration: [N48590](https://openairdocs.org/aircraft/N48590), registered now, S/N 15280920 (OpenAirDocs)
- Reported make and model: CESSNA 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (registry code 2071835) (OpenAirDocs)
- Category: Airplane
- Serial number: 15280920
- Airframe hours: 2104
- Engines: LYCOMING O-235-L2C 110 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Ogden Air Service
- Registered owner: R. Thompson/Steve & Chris
- Airworthiness certificate: Standard, Normal; Standard, Utility
- Last inspection: 100 hour, September 2, 1986, 69 hours before
- Departed: OGD, OGDEN, UT
- Airport: OGD, Ogden Municipal

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 35; commercial, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: right; flight hours: 3,242 total, 600 in this make and model, 3,100 as pilot in command, 231 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 170° at 6 knots
- Visibility: 30 statute miles
- Lowest ceiling: 16,000 ft overcast
- Temperature: 61 °F, dew point 36 °F
- Altimeter: 29.00 inHg
- Observed at: OGD, 9 nm away

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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