ATL96LA062 · Cessna 152U
Cessna 152U · Accident: total loss of engine power (non-mechanical) on approach
From Tullahoma Regional Airport William Northern Field (THA) to Savannah Hilton Head International Airport (SAV)
Event
- NTSB case
- ATL96LA062
- Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
- Accident
- InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
- Completed
- API-reported fatalities
- 0 · all aircraft and ground
- Ground fatalities
- 0
- OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
- General aviation
- WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
- Visual Meteorological Cond
Cessna 152U
- Aircraft type
- Cessna 152
- Category
- Airplane
- RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
- N68129
- Operator
- Mike Ulmer
- Onboard fatalities
- Unknown
- Route
- From Tullahoma Regional Airport William Northern Field (THA), Tullahoma, TNTo Savannah Hilton Head International Airport (SAV), Savannah, GA
- Aircraft age
- Not recorded
- Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
- Part 91: General Aviation
- Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
- Approach · VFR pattern final
- First occurrenceThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
- Total loss of engine power (non-mechanical)
- Also codedOther events the NTSB coded in the sequence, such as a wire strike after a loss of power. Flight Findings uses them for its kinds of event. Glossary
- Fuel exhaustion
- DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
- Destroyed
Cause areas
- Fluid, fuel › Exhaustion
- Pilot in command › Fuel consumption calculations, inaccurate
- Pilot in command › Fuel supply, inadequate
Approximate · Coordinates as recorded by the NTSB; no uncertainty radius is established.
NTSB narrative
At about the time the flight was cleared to land at the destination airport, the engine began to run roughly. The pilot selected a forced landing site. He said that the mixture was at full rich and carburetor heat had been applied, when the loss of engine power occurred. During the landing, the airplane collided with trees of small diameter. As the airplane rolled out, the nose wheel hit a mound of dirt, and the airplane nosed over. The pilot and passenger exited the airplane without injury. A postaccident investigation revealed that there was no fuel in the airplane fuel tanks and no fuel or fuel residue on the ground at the accident site. During a postaccident engine run, the engine was fully operational. The pilot reported his planned flight time en route to his destination to be three hours and seventeen minutes at 75% power setting. According to the Cessna 152 flight manual, the maximum endurance at 75% power (allowing for unusable fuel) was three hours and five minutes.
Probable cause
Inaccurate fuel consumption calculations by the pilot, and an inadequate supply of fuel, which resulted in fuel exhaustion and subsequent nose over of the airplane, during a forced landing on uneven terrain with high vegetation (small trees).
Verbatim NTSB analysis and probable cause from the NTSB dataset
Sources
NTSB record ATL96LA062
- Event ID
- 20001208X05357
- Case number
- ATL96LA062
- Dataset
- historical-pre2008
- Source SHA-256
- 89e2df6d848e7ab3b42e7d7c7a03ff403303057a26ca04c95b3ea67201c3ce74
Source notes (4)
- Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
- Filled from the NTSB case API where the bulk record had no value: investigation status. Values present in the bulk record are kept.
- The date is the local date, which is the same as the UTC date the NTSB stores.
- API snapshot SHA-256: ab7ab89aa9ffb6ea839aa5f9f3c71a4bbacd8ee9d0c229581722efa47d82094f; retrieved 2026-09-22T22:45:08.492Z.