Power Loss on the Climb-Out
Engine failure at low altitude over Tampa's dense development — the forced-landing decision is immediate and unforgiving
The scenario
Departing Tampa International Airport (KTPA), Tampa, FL — Runway 19R, climbing out on a 182° heading. Elevation 26 ft MSL; the runway is essentially at sea level. You are a Commercial pilot with roughly 800 hours total, 120 hours in the DA40. The airplane is a Diamond DA40 with a fuel-injected Lycoming IO-360-M1A and a constant-speed propeller.
It is a clear, calm morning: OAT 24°C, altimeter 30.01, light wind from 180°. Visibility 10 SM. You are solo, full fuel, within weight and balance. The airplane was serviced yesterday and passed a 100-hour inspection 20 hours ago. Nothing was written up; the airplane is airworthy at departure.
You are 300 ft AGL, climbing through 66 KIAS (Vy), heading 182°, when the engine begins to lose power. The tachometer is unwinding. The manifold pressure is dropping. The airplane is no longer climbing — it is barely maintaining altitude. The runway is behind you. Ahead and below is Tampa's dense development: neighborhoods, shopping centers, schools, roads. There is no open field, no park, no clear landing zone visible in any direction.
Pilot: you — a Commercial pilot, current, roughly 800 hours total, 120 hours in type. You completed the run-up without issue. The engine started normally, all systems checked green. You did not notice anything amiss during the takeoff roll or initial climb. The power loss is sudden and unexpected.
Aircraft: Diamond DA40, fuel-injected Lycoming IO-360-M1A, constant-speed prop, fixed gear, G1000 glass panel. Fuel selector is LEFT / RIGHT — there is no BOTH position. You are currently on the RIGHT tank, which was full at takeoff. The left tank is also full. Prop RPM is set to high RPM (full forward) for takeoff and climb.
- {'label': 'Field', 'value': 'KTPA · Tampa'}
- {'label': 'Runways', 'value': '10/28 · 19L/01R · 19R/01L'}
- {'label': 'Elevation', 'value': '26 ft'}
- {'label': 'Aircraft', 'value': 'DA40'}
- {'label': 'Dominant phase', 'value': 'Landing / Takeoff'}
The decision
Before we get into the decision tree — what do you already know about engine failure in the DA40 at low altitude? (Pick all that apply; this records your baseline.)
What the record shows
What the NTSB files show
NTSB ERA23LA285 (2023): A Diamond DA40 NG experienced partial engine power loss during climb due to fatigue failure of the diesel engine's turbocharger housing. The failure reduced intake air and caused a partial loss of power. The pilot made a forced landing to a school field. The probable cause was the turbocharger housing fatigue failure, which resulted in a partial loss of engine power.
NTSB ERA19LA272 (2019): A Diamond DA40 on a personal local flight experienced a partial loss of engine power on takeoff at 300 feet AGL. The pilot made a forced landing to a soybean field. The probable cause was a mechanic's failure to properly tighten the clamps securing the flexible induction coupling during a 100-hour inspection performed 15 hours before the accident. The loose coupling allowed induction air to leak, reducing engine power.
NTSB ERA18LA241 (2018): A Diamond DA40 experienced total loss of engine power while on downwind approach to Maury County Airport. The pilot performed a forced landing to a field approximately 1 mile short of the runway threshold. The loss of engine power could not be determined based on postaccident examination, which revealed no evidence of mechanical malfunctions or failures. The cause remains undetermined.
The real accidents cited above occurred at other airports and in other locations — NOT at Tampa International Airport. KTPA has its own accident history (see field dominant patterns: forced landings 22.2%, loss of control 11.1%, gear-up landings 6.7%), but these specific DA40 engine-failure events happened elsewhere. The scenario is localized to KTPA to make the off-field environment real and consequential for you as a student here.
The consistent thread across all these events: engine failure in the DA40 can occur suddenly at low altitude, often due to post-maintenance issues (loose clamps, improper torque) or mechanical fatigue (turbocharger housing). The DA40's fuel selector (LEFT / RIGHT, no BOTH) means fuel starvation is a risk if the selected tank is empty or mis-set. At 300 ft AGL over KTPA's dense development, the decision window is measured in seconds. The runway behind you is a known, prepared surface; the terrain ahead is dense neighborhoods and shopping centers with no open field.
The critical lesson: confirm fuel selector and prop control immediately, then diagnose whether the power loss is fuel starvation (fixable) or mechanical (not fixable in flight). If mechanical, turn back to the runway if altitude permits. If the runway is not reachable, land on the best available surface ahead — a road, a parking lot, or open area. Do not try to stretch the glide to the runway at 300 ft AGL with a failing engine. Survival depends on landing on a prepared or semi-prepared surface at the slowest possible speed.
Key lesson — Engine failure at low altitude over KTPA's dense development is unforgiving. Runway 19R's climb-out environment (heading 182°) is poor — dense development with no open field. Off Runway 10 or 28, the environment is marginal (some open developed areas, parks). The DA40's fuel selector is LEFT / RIGHT with no BOTH — confirm the correct tank is selected and full before diagnosing a mechanical failure. At 300 ft AGL, best glide is 73 KIAS. If the runway is reachable, turn back and land on the prepared surface. If not, land on the best available surface ahead — a road, parking lot, or open area — at the slowest possible speed (49 KIAS with full flaps). Survival depends on speed and surface selection, not on stretching the glide.
Debrief — teaching points
The DA40 fuel selector is LEFT / RIGHT with no BOTH — fuel starvation is a real risk.
Unlike some Cessnas, the DA40 has no BOTH position on the fuel selector. The pilot must actively manage LEFT and RIGHT tanks. A mis-set selector or an empty selected tank causes fuel starvation, not a mechanical failure. At the first sign of power loss, confirm the fuel selector is on the correct tank and that the tank has fuel. The G1000 displays fuel quantity for each tank; use it. If the selected tank is empty, switch to the other tank immediately. If both tanks are full and the selector is correct, the power loss is mechanical — not fixable in flight.
Post-maintenance failures can occur within hours of a 100-hour inspection.
NTSB ERA19LA272 documents a mechanic's failure to properly tighten the clamps securing the flexible induction coupling during a 100-hour inspection. The failure occurred 15 hours after the inspection. Loose clamps, improper torque, and missed fasteners are real post-maintenance risks. After any maintenance, especially an inspection, monitor engine instruments closely during the first few flights. If you notice any anomaly — roughness, power loss, unusual vibration — land and have the maintenance re-checked. Do not assume the inspection was done correctly.
Best glide in the DA40 is 73 KIAS — establish it immediately if power is lost.
Best glide speed for the DA40 at gross weight is 73 KIAS. This speed maximizes glide distance and gives the most time and distance to manage the emergency. At 300 ft AGL with a failing engine, establishing 73 KIAS immediately is critical. Do not try to maintain climb speed (66 KIAS Vy) or cruise speed (129 KIAS Vno). Lower the nose to 73 KIAS and glide. Every second of altitude matters.
KTPA's off-field environment is dense development — the runway is the best landing option.
Off Runway 19R's climb-out (heading 182°), the off-field environment is POOR — dense development, neighborhoods, schools, shopping centers, with no open field. Off Runways 10 and 28, the environment is MARGINAL — some open developed areas (parks, large lots) mixed with development. Off Runways 19L and 01R/01L, the environment is POOR or MARGINAL. At 300 ft AGL with a failing engine, the runway behind you is the best-known landing surface. If altitude permits, turn back and land on the runway. If the runway is not reachable, land on the best available surface ahead — a road, parking lot, or open area — but do not try to stretch the glide to the runway.
Impact energy rises with the square of touchdown speed — minimize speed with full flaps.
The DA40's Vs0 (landing stall speed) is 49 KIAS. Full flaps (landing flaps) slow the airplane to 49 KIAS. At 73 KIAS (no flaps), impact energy is roughly 2.2 times higher than at 49 KIAS. In a forced landing, the difference between 49 KIAS and 73 KIAS is the difference between a survivable landing and a hard impact. Add full flaps as the landing surface is made, slow to 49 KIAS, and minimize impact energy. The Vfe (max flap extended) is 91 KIAS — you can add flaps at 73 KIAS without exceeding the limit.
Built from the real accident record
Scenario built from NTSB ERA23LA285 (2023 DA40 turbocharger housing fatigue failure, partial power loss on climb), ERA19LA272 (2019 DA40 induction coupling failure at 300 ft AGL, forced landing to field), and ERA18LA241 (2018 DA40 total power loss on approach, forced landing 1 nm short). Anonymized and localized to KTPA.
NTSB reports: ERA23LA285 · ERA19LA272 · ERA18LA241
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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