High and Slow on Base
A base-to-final turn in the pattern at KTPA — airspeed decay, nose-high attitude, and the margin between recovery and impact
The scenario
Departing Tampa International Airport (KTPA), Tampa, FL — Runway 19L, pattern work. Elevation 26 ft MSL. It is a clear, calm Florida morning: OAT 22°C, winds light and variable (2–3 knots), visibility 10+ SM. Altimeter 30.01. A textbook day for pattern practice.
You are on your fourth full-stop landing of the session. The first three were stable, on-speed, and uneventful. This one is different. You are downwind at 800 ft AGL, on a heading of roughly 002°, configured with 10° of flaps, and the tower has cleared you to turn base. The runway is ahead and to your left. You begin the left turn to base.
As you roll out on base (heading roughly 272°), you notice the approach is a bit high — you are at 600 ft AGL and the descent is shallow. You are also aware that you are not as fast as you should be. The airspeed indicator reads 65 KIAS. The Piper Warrior's approach speed (Vref) is 63 KIAS with full flaps, but you are only at 10° flaps and 65 KIAS is marginal for the turn. You have not yet added full flaps. The runway is still 1.5 nm away.
Aircraft: Piper Warrior PA-28-161, solo, within limits. Lycoming O-320-D, fixed-pitch prop, fixed gear, carbureted. Fuel selector on RIGHT tank (you switched after takeoff). Steam panel — attitude indicator, airspeed indicator, altimeter, VSI, turn coordinator, directional gyro. Nothing was written up; the airplane is airworthy.
Pilot: you — a Private pilot, current, roughly 180 hours total. You have about 40 hours in the Warrior. This is your fourth landing of the session. You are comfortable in the airplane but not yet automatic in the approach. You are flying the approach manually; no autopilot (the Warrior has none). You are aware of the high approach but not yet concerned — you have 600 ft AGL and the runway is in sight.
- {'label': 'Field', 'value': 'KTPA · Tampa'}
- {'label': 'Runways', 'value': '10/28 · 19L/01R · 19R/01L'}
- {'label': 'Elevation', 'value': '26 ft'}
- {'label': 'Aircraft', 'value': 'PA-28-161'}
- {'label': 'Dominant phase', 'value': 'Landing / Takeoff'}
The decision
Before we get into the decision tree — what do you know about stall/spin risk in the pattern? (Pick all that apply; this records your baseline.)
What the record shows
What the NTSB files show
NTSB NYC08FA237 (2008, FATAL): A Piper PA-28-161 on an instructional flight stalled during initial climb from a touch-and-go landing at Newport State Airport, Rhode Island. The flight instructor failed to initiate a go-around during a high approach and made inadequate remedial action during the attempted touch-and-go. The airplane impacted trees about 1,000 feet beyond the runway. The probable cause was the flight instructor's failure to initiate a go-around during a high approach.
NTSB NYC06FA029 (2005, FATAL): A Piper PA-28-161 on a touch-and-go practice flight stalled during the go-around after landing at low altitude. The flight instructor failed to maintain adequate airspeed, resulting in an inadvertent stall and impact with trees and terrain. The probable cause was the flight instructor's failure to maintain airspeed, which resulted in an inadvertent stall and subsequent impact with trees and terrain.
NTSB FTW91DRG06 (1991, FATAL): A Questair Venture experimental aircraft stalled during a base-to-final turn on a maintenance test flight and nosed over out of control. The accident resulted from the pilot's failure to maintain flying airspeed during the approach. The teaching angle: recognize and maintain minimum safe airspeed during base-to-final turn; avoid tightening the turn when airspeed decays.
NTSB SEA07CA125 (2007): A Cessna 170B on a full-stop landing approach stalled during the base-to-final turn when the pilot allowed airspeed to become too low. The pilot attempted recovery but the aircraft impacted a field adjacent to the airport. The accident was attributed to the pilot's failure to maintain adequate airspeed during the turn, resulting in an inadvertent stall and collision with terrain.
NTSB CHI89DET01 (1988, FATAL): A Volksplane VP-1 in local traffic pattern at approximately 300 feet AGL stalled while turning downwind with a nose-high attitude and slow airspeed, entered an incipient spin, and struck the ground in an inverted attitude. The accident resulted from a stall with insufficient altitude for recovery.
NTSB ERA10CA300 (2010): A Piper PA-18-135 stalled and entered a spin during a climbing right turn on final approach when the pilot attempted to perform a 360-degree turn per ATC spacing request. The accident was attributed to the pilot's failure to maintain adequate airspeed during the climbing turn.
The real accidents cited above occurred at other airports and in other aircraft — NOT at Tampa International Airport (KTPA). KTPA has its own accident history (forced landing, loss of control, gear-up landing are the dominant patterns), but these specific base-to-final stall/spin events happened elsewhere. The scenario is localized to KTPA to make the pattern environment and the off-field reality (dense development, parks, open developed areas) consequential for you as a student here.
The consistent thread across all these events: the base-to-final turn is the most dangerous turn in the pattern. It is flown at low altitude, low airspeed, high bank angle, and with the runway in sight (fixation risk). The trap is the high approach: when the approach is high, the instinct is to tighten the turn or add flaps to lose altitude. Both of these actions increase stall risk. The correct response to a high approach is a go-around — not a salvage attempt. The NTSB data is clear: pilots who go around when the approach is unstable do not crash. Pilots who try to salvage an unstable approach do crash.
Key lesson — The base-to-final turn in the Piper Warrior is the most dangerous turn in the pattern. At 65 KIAS with a 25–30° bank, the stall speed is roughly 71 KIAS — you are marginal. If the approach is high and slow, the correct response is a go-around, not a tighter turn, not an early flap extension, not a slip at low airspeed. Recognize an unstable approach by 500 ft AGL and go around. The go-around is not a failure — it is the standard of airmanship. A high, slow approach at KTPA with dense development off the runway ends is not a salvage situation; it is a go-around situation. Know your limits: if the approach is not stable by 500 ft AGL, go around.
Debrief — teaching points
The base-to-final turn is the most dangerous turn in the pattern.
The base-to-final turn is flown at low altitude (300–600 ft AGL), low airspeed (Vref or below), high bank angle (20–30°), and with the runway in sight (fixation risk). The stall speed in a 25° bank is roughly 50 × √1.5 = 61 KIAS; in a 30° bank, it is roughly 50 × √1.6 = 63 KIAS. In the Warrior at 65 KIAS in a 25–30° bank, you are marginal. The NTSB data shows that base-to-final stalls are the single most common stall accident in the pattern. Recognize this turn as the danger zone.
A high approach is not a salvage situation — it is a go-around situation.
If the approach is high (above a normal 3° glide path) and you are at 500 ft AGL or below, the correct response is a go-around. Do not try to salvage the approach by tightening the turn (increases stall risk), adding flaps too early (increases stall risk), or slipping at low airspeed (increases stall risk). The go-around is the standard of airmanship. The NTSB data on NYC08FA237 is explicit: the flight instructor failed to initiate a go-around during a high approach, and the airplane crashed. The lesson is clear.
Maintain Vref (63 KIAS with full flaps) or slightly above on final approach.
The Warrior's approach speed (Vref) is 63 KIAS with full flaps. This is 19 knots above stall speed (Vs0 = 44 KIAS in landing configuration). Maintain this speed or slightly above (65–70 KIAS) on final approach. If you are below Vref, add power or go around. Do not try to salvage a slow approach with a tighter turn or a slip — both increase stall risk.
Recognize stall warning signs in the pattern: nose pitch-up, loss of control feel, buffet.
In the pattern, stall warning signs are subtle: a slight nose pitch-up, a loss of control feel (the airplane feels 'mushy'), or a buffet. The Warrior does not have a stall-warning horn; you must recognize the aerodynamic signs. If you feel the nose pitching up or the airplane feeling mushy, immediately level the wings and pitch the nose down. Do not try to keep the turn or maintain altitude.
Stall recovery at low altitude requires immediate action and adequate altitude.
Stall recovery in the Warrior requires: (1) level the wings, (2) pitch the nose down, (3) full power. At 400 ft AGL, you have just enough altitude to recover from an incipient stall. At 300 ft AGL, you do not. A full spin in the Warrior requires roughly 1,500 ft AGL to recover. In the pattern, you do not have that altitude. The only way to avoid a stall/spin accident in the pattern is to maintain adequate airspeed and avoid the conditions that lead to a stall (tight turn, nose-high attitude, low airspeed).
The Warrior's fixed-pitch prop and fixed gear simplify the approach — focus on airspeed and descent rate.
The Warrior has a fixed-pitch prop and fixed gear — no prop control, no gear to raise or lower. This simplifies the approach. Your focus should be on two things: (1) maintain Vref (63 KIAS with full flaps) or slightly above, and (2) maintain a stable descent rate (300–500 fpm). If either of these is not stable by 500 ft AGL, go around. Do not add complexity by trying to salvage an unstable approach.
Built from the real accident record
Scenario built from NTSB NYC08FA237 (2008 PA-28-161 stall during touch-and-go, instructor failure to go-around), NYC06FA029 (2005 PA-28-161 stall on go-around, airspeed loss), FTW91DRG06 (1991 base-to-final stall / loss of control), SEA07CA125 (2007 Cessna 170B base-to-final stall / inadequate airspeed), and CHI89DET01 (1988 Volksplane stall in pattern, nose-high attitude). Regional precedents: ERA10CA300 (2010 PA-18-135 stall during climbing turn on final). Localized to KTPA.
NTSB reports: NYC08FA237 · NYC06FA029 · FTW91DRG06 · SEA07CA125 · CHI89DET01 · ERA10CA300 · CEN12FA188 · CHI05LA226
ACS tasks: PA.VII.A — Approach and Landing · PA.VII.B — Go-Around / Rejected Landing · PA.VIII.A — Slow Flight · PA.VIII.B — Stall Recognition and Recovery · PA.I.H — Human Factors
Relevant FARs: §91.3 · §91.13 · §91.117
Step through the full decision tree, make the calls, and see where each choice leads — then debrief it with your CFI.
Open the interactive scenario →All sample scenarios · More Piper Warrior scenarios · More scenarios at KTPA