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PIPER PA - 38 - 112 “TOMAHAWK”

Piper PA-38 Tomahawk · Specifications

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Overview

This document provides specifications and emergency procedures for the Piper PA-38 Tomahawk, a light aircraft designed for training and personal use. It outlines operational limitations, including speed and weight restrictions, as well as engine performance parameters. The document is intended for pilots and aviation enthusiasts who require detailed information about the aircraft's capabilities and emergency protocols. Key sections cover operational limits, emergency procedures for engine power loss, and fire response measures, ensuring that pilots are well-informed about the aircraft's performance and safety protocols.

  • Va (Maneuvering Speed) at 1,670 lbs: 103 KIAS
  • Vne (Never Exceed Speed): 138 KIAS
  • Maximum Weight: 1,670 lbs; Maximum Baggage: 100 lbs
  • Fuel Capacity: 32 gallons (30 gallons usable)
  • Max Horsepower: 112 HP; Max RPM: 2,600
  • Emergency procedures for engine power loss include closing throttle and switching fuel tanks.

Document

Source

Originally published by www.dgac.gob.cl. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

View original at www.dgac.gob.cl

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Document details

Type
Specifications
Pages
3
File size
18 KB
Publisher
www.dgac.gob.cl

Specifications & performance

Extracted from this document.

Specifications

Engine (hp)
112
Fuel capacity (gal)
32
Max takeoff weight (lb)
1,670

Performance

Max crosswind (kt)
15
Best glide speed (kt)
70
Stall speed clean (kt)
52
Stall speed landing (kt)
49

V-speeds

VA
103
VR
53
VX
61
VY
70
VFE
89
VNE
138
VNO
110
VS1
52
VSO
49

Weight & balance

Baggage allowance (lb)
100
Max takeoff weight (lb)
1,670
Documentation completeness
4/7

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In this document

Operational Limitations

This section details the operational limitations of the Piper PA-38 Tomahawk, including various speeds such as Va (maneuvering speed) at 103 KIAS for a weight of 1,670 lbs and Vne (never exceed speed) at 138 KIAS. The maximum weight is specified as 1,670 lbs with a baggage limit of 100 lbs. Fuel capacity is 32 gallons, with 30 gallons usable. Engine limits include a maximum horsepower of 112 HP and maximum RPM of 2,600.

Emergency Procedures

The emergency procedures section outlines steps for handling engine power loss during takeoff and in-flight. For takeoff scenarios, pilots are instructed to close the throttle and apply brakes if there is sufficient runway. If airborne, maintaining airspeed above stall is crucial. In case of engine power loss in flight, switching fuel tanks and checking engine gauges are recommended steps. The document also provides guidance on handling engine fires during start and in-flight.

Engine Operating Limits

Engine operating limits are specified, including maximum oil temperature at 245 °F and oil pressure limits ranging from a minimum of 15 or 25 PSI to a maximum of 100 PSI. Static RPM should not exceed 2,350 and should not be below 2,200-2,250 RPM. These limits are critical for maintaining engine health and performance.

Safety notes

  • Maintain airspeed above stall during engine power loss situations.
  • Follow emergency procedures precisely to ensure safety during engine failure.

Full document text

1 DEPARTAMENTO “SEGURIDAD OPERACIONAL” SUBDEPARTAMENTO “LICENCIAS” SECCIÓN EVALUACIONES PIPER PA - 38 - 112 “TOMAHAWK” A.- Limitaciones de Operación 1.- Limitaciones (velocidades) Va 1.670 lbs 103 KIAS Va 1.277 lbs 90 KIAS Vne 138 KIAS Vno 110 KIAS Vfe 89 KIAS Vs 48-52 KIAS Vso 47-49 KIAS Vx 61 KIAS Vy 70 KIAS Vr 53 KIAS Vel. Planeo 70 KIAS Landing final Approach Sp 62 KIAS X-Cross 15 KIAS 2.- Combustible Tipo a utilizar 100/130 Capacidad total 32 gal. Comb. Utilizable 30 gal. Fuel Pressure Min. (red line) 0,5 PSI Max. (red line) 8 PSI 3.- Pesos Max. Weight 1.670 lbs. Max. Baggage 100 lbs. 4.- Motor Engine operating limits Max. Horsepower 112 HP Max. RPM 2.600 Max. Oil Temperature 245 °F Static RPM Not above 2.350 Not below 2.200-2.250 Oil Pressure Minimum (red line) 15 ó 25 PSI Maximum (red line) 100 PSI 5.- Maneuver Limits (Utility Category) MANEUVER ENTRY SPEED Spins (flaps Up) Stall Steep Turns 100 KIAS Lazy Eights 100 KIAS Chandelles 100 KIAS 2 B.- Emergencies Procedures 1.- ENGINE POWER LOSS DURING TAKEOFF (Not Airborne) a) Sufficient runaway remaining: Throttle Close immediately Brakes Apply as required Stop Straight ahead b) Insufficient runaway remaining: Throttle Close immediately Brakes Apply as required Mixture Idle CUT-OFF Fuel selector OFF Master switch OFF Magnetos OFF Maintain Directional control and maneuver to avoid obstacles. 2.- ENGINE POWER LOSS DURING TAKEOFF (if Airborne) a) Sufficient runaway remaining: Airspeed Maintain above stall Directional control Maintain Land Straight ahead b) Insufficient runaway remaining: Airspeed Maintain above stall Throttle Close Mixture Idle CUT-OFF Fuel selector OFF Master switch OFF Magnetos OFF Flaps As situation requires Directional Control Maintain – Make only shallow turns to avoid obstacles. c) If sufficient altitude has been gained to attempt a restart: Airspeed Maintain above stall Fuel selector Switch to other tank containing fuel Electric fuel pump ON Mixture RICH Carburetor ON If power is not regained proceed with Power OFF Landing 3 3.- ENGINE POWER LOSS IN FLIGHT Fuel selector Switch to other tank containing fuel Electric fuel pump ON Mixture RICH Carburetor heat ON Engine Gauge Check for indication of cause of power loss Primer Locked If no fuel pressure is indicated check that fuel selector is on tank containing fuel. If power has not been restored: Ignition switch L then R, then back to BOTH Throttle and Mixture Try different settings When power is restored: Carburetor heat OFF Electric fuel pump OFF If power cannot be restored: Trim for best (70 KIAS) and prepare for Power OFF landing 4.- FIRE a) Engine fire during start: Starter Crack engine Mixture Idle CUT-OFF Throttle Open Electric fuel pump OFF Fuel selector OFF Abandon airplane If Fire continues b) Fire in flight: Source of fire Check Engine fire: Fuel selector OFF Throttle Close Mixture Idle CUT-OFF Electric fuel pump OFF Cabin heat OFF Defroster OFF Prepare for Power OFF landing

All Piper PA-38 Tomahawk specifications