The Impossible Turn
Partial engine failure on takeoff, low altitude, and the fatal temptation to turn back — a Piper Cherokee 180 decision study
The scenario
Departing Tampa Executive Airport (KVDF), Tampa, FL — Runway 05, climbing out on a 042° heading. Elevation 22 ft MSL. Non-towered field; you will self-announce on CTAF 122.8. The field is surrounded by medium development, wooded wetland, and pasture to the north and east. To the south and west, the terrain opens to pasture and hay fields — good forced-landing options if needed.
It is a warm, hazy Florida afternoon in late July: OAT 32°C, dew point 24°C, altimeter 29.88. Scattered clouds at 3,500 ft, light turbulence in the lower levels. Visibility 8 SM. High density altitude — the field is performing as if it were at roughly 2,500 ft elevation instead of 22 ft. You are departing on a personal flight to a nearby field; the flight is 45 minutes.
You are 300 ft AGL, climbing through 75 KIAS (Vy, best rate of climb), heading 042°, when the engine begins to lose power. The tachometer is unwinding. The airplane is no longer climbing — it is barely maintaining altitude. You are still over the airport environment, but you are low, and the power loss is real.
Aircraft: Piper PA-28-180, solo, full fuel, within limits. Lycoming O-360-A, carbureted, fixed-pitch prop, steam panel, fuel selector on LEFT tank (you switched to it before takeoff). Nothing was written up; the airplane was airworthy at departure. The right magneto was checked during run-up and was within limits.
Pilot: you — a Private pilot, current, roughly 250 hours total. You are familiar with the Piper Cherokee 180 but have only 12 hours in this specific airplane. You did not apply carburetor heat during the run-up because the engine ran smoothly. You did not apply it after takeoff because you were focused on the climb.
- {'label': 'Field', 'value': 'KVDF · Tampa Executive'}
- {'label': 'Runways', 'value': '5/23 · 18/36'}
- {'label': 'Elevation', 'value': '22 ft'}
- {'label': 'Aircraft', 'value': 'PA-28-180'}
- {'label': 'Dominant phase', 'value': 'Landing / Takeoff'}
The decision
Before we get into the decision tree — what do you already know about engine failure on takeoff in a low-wing single-engine airplane? (Pick all that apply; this records your baseline.)
What the record shows
What the NTSB files show
NTSB LAX01FA199 (2001, FATAL): A Piper PA-28-180 student pilot on a solo instructional flight at Big Bear City selected a downwind takeoff runway and stalled during initial climb at low altitude, striking trees. The accident was attributed to inadequate airspeed management and a downwind takeoff, with contributing factors including partial engine power loss from an inoperative right magneto and high density altitude. The pilot was 200 hours total time. The probable cause was the student pilot's selection of a takeoff runway conducive to a tailwind weather condition and his failure to maintain airspeed and his inadvertent stall during takeoff initial climb.
NTSB ANC90LA112 (1990, FATAL): A heavily loaded Piper PA-28 crashed into trees approximately 40 seconds after takeoff from a closed dirt strip after encountering a downdraft. The accident resulted from the aircraft's inability to overcome the downdraft with available power, compounded by heavy loading and engine degradation from improper maintenance. The probable cause was the airplane encountering a downdraft shortly after takeoff from which the airplane could not overcome with power.
NTSB WPR17FA152 (2017, FATAL): An experimental Jansen Pazmany PL-2 lost engine power shortly after takeoff from El Monte, California. The pilot attempted to return to the runway but stalled and spun at approximately 200 feet AGL, impacting terrain in a near-vertical attitude. The accident resulted from fuel starvation of undetermined cause and the pilot's decision to return to the runway at low altitude, which led to an aerodynamic stall and spin.
NTSB LAX93LA048 (1992, FATAL): A Rans S-10 Sakota on a personal flight experienced engine power loss shortly after takeoff and stalled/spun while maneuvering to land at 150–200 feet. The accident resulted from loss of engine power and pilot failure to maintain airspeed above stall speed, with insufficient altitude for recovery as a contributing factor.
NTSB ERA14FA123 (2014, FATAL): A Sonex experimental aircraft experienced partial engine power loss due to an improperly seated spark plug during initial climb, and the pilot made a steep 180-degree turn back toward the airport at low altitude, resulting in a stall and spiral descent into a canal. The accident resulted from the pilot's failure to maintain adequate airspeed during the emergency return, compounded by improper engine repair prior to flight.
The real accidents cited above occurred at other airports and in other aircraft — NOT at Tampa Executive Airport (KVDF). KVDF has its own accident history (dominant patterns: loss of control ground 18.4%, hard landing 18.4%, forced landing 15.8%), but these specific fatal stall/spin events happened elsewhere. The scenario is localized to KVDF to make the off-field environment real and consequential for you as a student here.
The consistent thread across all these events: after engine failure at low altitude, the pilot attempted a steep turn back to the runway. The turn became unrecoverable. The airplane stalled and spun. The margin between 300 ft AGL and the ground is measured in seconds — not enough time to complete a 180° turn, apply corrective action, and recover. The correct decision is to accept a forward landing in the best available terrain ahead. The pasture and open fields northeast of KVDF are suitable forced-landing sites. A controlled forward landing is survivable. A stall/spin at 200 ft AGL is not.
Key lesson — The 'impossible turn' — attempting to return to the runway after engine failure below 500 ft AGL — is unrecoverable. At 300 ft AGL with engine failure, a 180° turn back to the runway requires altitude and airspeed you do not have. The correct decision is to accept a forward landing in suitable terrain ahead. Off Runway 05 at KVDF, the terrain northeast (heading 042°) is wooded wetland and pasture — open fields suitable for a forced landing. Maintain 65 KIAS best glide, pick the smoothest terrain, and execute a controlled landing. Survival rates in controlled forced landings are significantly better than in stall/spin attempts to return to the runway.
Debrief — teaching points
The 'impossible turn' is unrecoverable at low altitude.
After engine failure below 500 ft AGL, a 180° turn back to the runway is unrecoverable. The altitude required to complete a 180° turn in a single-engine airplane is roughly 500–600 ft in calm conditions — and that assumes full power and no other complications. With engine failure, partial power, high density altitude, or turbulence, the required altitude increases. At 300 ft AGL, you do not have the altitude. The turn will become a stall/spin. The NTSB accident corpus is clear: LAX01FA199, WPR17FA152, LAX93LA048, ERA14FA123, SEA90LA162 — all fatal stall/spin outcomes after attempted turnback at low altitude. The lesson is unambiguous: accept a forward landing.
Partial engine power loss on takeoff is often carb ice or a magneto issue — not catastrophic.
In the PA-28-180, a partial power loss on takeoff — rough engine, dropping tachometer, but not a complete quit — is often carburetor ice or a magneto issue. LAX01FA199 involved an inoperative right magneto. WPR21LA020 and WPR13LA366 involved exhaust system failures that partially blocked airflow. These are not catastrophic failures; they are partial-power situations. Apply carburetor heat immediately. If that does not restore power, consider a precautionary landing. Do not attempt to return to the runway at low altitude.
Carburetor heat is the first response to engine roughness or power loss on takeoff.
In the carbureted PA-28-180, carburetor heat should be applied immediately if the engine loses power or runs rough on takeoff. Carb ice can form in warm, moist, high-density-altitude conditions — exactly the Gulf Coast summer environment at KVDF. The Lycoming O-360-A has no fuel injection and no alternate air system; carburetor heat is the only tool. Apply it full on at the first sign of roughness. Do not wait for a dramatic power cut.
High density altitude compounds the problem.
On a warm, hazy Florida afternoon with OAT 32°C and dew point 24°C, the field elevation of 22 ft MSL performs as if it were at roughly 2,500 ft. The airplane has less power available for climb. An engine issue that might be manageable at sea level on a cool day becomes critical at high density altitude. LAX01FA199 explicitly cited high density altitude as a contributing factor. Know the density altitude before you depart. If it is high and the engine is rough, land and investigate.
The PA-28-180 fuel selector is LEFT/RIGHT with no BOTH position — active tank management is required.
The PA-28-180 has a LEFT/RIGHT fuel selector with no BOTH position. You must actively switch tanks during flight. Taking off on a near-empty tank or forgetting to switch tanks is the signature starvation trap in this airplane. Before takeoff, confirm which tank you are on and plan your tank-switching schedule. Fuel starvation is preventable with discipline.
Off Runway 05 at KVDF, the forward terrain is suitable for a forced landing.
The off-field environment off Runway 05's departure end (heading 042°) is wooded wetland, pasture, and hay fields — open terrain suitable for a forced landing. This is not a worst-case scenario; it is the geographic reality. If the engine fails on the Runway 05 departure and altitude is insufficient to return to the airport, a controlled forced landing in the pasture ahead is the correct outcome. Best glide is 65 KIAS. Flaps for slowest possible touchdown speed. Survival rates in controlled forced landings are significantly better than in stall/spin attempts to return to the runway.
Built from the real accident record
Scenario built from NTSB LAX01FA199 (2001 PA-28-180 stall/spin on takeoff, inoperative magneto, high density altitude), ANC90LA112 (1990 PA-28-180 downdraft/power loss), WPR21LA020 (2020 PA-28-180 partial power loss, exhaust valve), WPR13LA366 (2013 PA-28-180 partial power loss, exhaust muffler), and regional precedents WPR17FA152, LAX93LA048, ERA14FA123, SEA90LA162 (all fatal stall/spin on attempted turnback after engine failure at low altitude). Anonymized and localized to KVDF.
NTSB reports: LAX01FA199 · ANC90LA112 · WPR21LA020 · WPR13LA366 · WPR17FA152 · LAX93LA048 · ERA14FA123 · SEA90LA162
ACS tasks: PA.I.F — Weather Information · PA.I.G — Cross-Country Flight Planning · PA.IX.C — Emergency Approach and Landing · PA.I.H — Human Factors · PA.II.B — Engine Starting / Systems Preflight
Relevant FARs: §91.3 · §91.13 · §91.185
Step through the full decision tree, make the calls, and see where each choice leads — then debrief it with your CFI.
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