AEROPRAKT-22LS Pilot Operating Handbook

AEROPRAKT LTD A-22 LS · Pilot's Operating Handbook

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Overview

The AEROPRAKT-22LS Pilot Operating Handbook provides essential information for operating the A-22 airplane, particularly focusing on glider and banner towing operations. It outlines the equipment, limitations, and procedures necessary for safe towing practices.

The A-22 can tow gliders or banners using an optional E 85 tow release.
Maximum take-off mass for towing is 500 kg.
The towed glider's maximum take-off mass is limited to 700 kg.
Minimum aero towing speed is 95 km/h; best climb speed is 105 km/h.
Take-off distance to 15 m height does not exceed 600 m under specified conditions.
Only certified tow ropes should be used, with a weak link strength between 200 daN and 300 daN.
Emergency release of the towed glider or banner can be done by pulling the tow release handle.
High grass and other conditions can increase take-off distance.

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Source

Originally published by squarespace.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

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Document details

Type: Pilot's Operating Handbook
File size: 243 KB
Publisher: squarespace.com
Language: en

Specifications & performance

Extracted from this document.

Specifications

Tow rope length m: 40 to 60
Maximum takeoff mass kg: 500
Maximum towed glider mass kg: 700

Performance

Best climb speed kmh: 105
Takeoff distance to 15m m: 600
Minimum aero towing speed kmh: 95

About this document

What is the AEROPRAKT-22LS Pilot Operating Handbook?

The AEROPRAKT-22LS Pilot Operating Handbook is a pilot's operating handbook for the AEROPRAKT LTD A-22 LS.

Where does the AEROPRAKT-22LS Pilot Operating Handbook come from?

This copy of the AEROPRAKT-22LS Pilot Operating Handbook was originally published by squarespace.com and is hosted on Sprinkle as a free, searchable reference copy.

Documentation completeness

5/7

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In this document

Glider and Banner Towing

The A-22 airplane can be equipped with a tow release for towing gliders or banners, with specific operating limitations and procedures outlined.

Operating Information and Limitations

Details the maximum take-off mass for the airplane and towed glider, as well as requirements for towing ropes and speeds.

Aero Towing Speeds

Specifies the minimum and best climb speeds for towing operations, along with a warning to observe the maximum permitted towing speed for the towed glider.

Take-off Distance and Climb Rate

Describes the conditions under which the take-off distance to 15 m height does not exceed 600 m, including various influencing factors.

Emergency Situations

Outlines the procedure for immediate release of the towed glider or banner in case of an emergency.

Banner Towing

Describes the procedures and precautions for towing banners, similar to glider towing.

Safety notes

Glider towing must be performed with only one pilot in the tow plane.
Beware of obstacles that may catch the towing rope during landing.
Release the banner at the height recommended by its manufacturer to avoid injuries.
Inspect the tow release control cable regularly for integrity and corrosion.
Releases must be returned to the manufacturer for reconditioning after 10,000 operations.
High grass on the runway may increase take-off distance by up to 25%.

Full document text

AEROPRAKT-22LS Pilot Operating Handbook A22LS-POH-04 1.1 Glider and banner towing 1.1.1 General A-22 airplane can be optionally equipped with E 85 tow release manufactured by Tost Flugzeuggerätebau company (http://www.tost.de) for towing of gliders or banners. The tow release is attached to the tail fuselage on a special fitting. The tow release can be acuated by pulling the tow release handle (located near the flap extension lever) connected to the tow release lever with a control cable. 1.1.2 Operating information and limitations 1.1.2.1 Maximum take-off mass of the airplane The mass of the airplane used for towing may not exceed 500 kg in order to comply with the miminum rate of climb of aero tow. Glider towing must be performed with only one pilot in the tow plane! 1.1.2.2 Maximum take-off mass of the towed glider The maximum take-off mass of the towed glider isз limited by 700 kg. 1.1.2.3 Towing rope and weak link Only tow ropes certified according to airworthiness codes, industrial codes or manufacturing codes, if furnishing enough information, must be used if constant quality is guaranteed. The cable connections should be protected by appropriate covers. The ultimate cable load must not be more than the cable load declared by the aircraft manufacturer. For cable with higher ultimate loads a weak link corresponding to the limit load of the aircraft and the towed glider must be used. The strength of the weak link should not be less than 200 daN and may not exceed 300 daN. Towing rope length should be from 40 to 60 m. A clearly visible placard “Maximum weak link strength: 300daN” must be placed near the tow release. 1.1.2.4 Aero towing speeds The minimum aero towing speed is equal to 95 km/h. The best climb speed is equal to 105 km/h. Aero towing speed may not be greater than the maximum permitted towing speed for the towed glider. “Observe Tow Speed” placard must be placed next to the airspeed indicator. 1.1.2.5 Take-off distance and climb rate The take-off distance to 15 m does not exceed 600 m in the following conditions: - dry, even, short-cut grass strip; - standard atmospheric conditions; - flaps extended to 10°; - glider with take-off mass not exceeding 700 kg. AEROPRAKT-22LS Pilot Operating Handbook A22LS-POH-04 Glider type Glider TO mass, kg TO distance to 15 m height Best climb speed, km/h IAS Climb rate, m/s Time of climb to 360 m height PW-5 360 < 522 m 103…105 1,9 3 min 07 sec SZD-51.1 „Junior“ 380 < 522 m 2,0 2 min 50 sec SZD-48-3 „Jantar Standard 3“ (no water ballast) 390 < 550 m 2,0 3 min 15 sec NOTE: High grass on the runway may increase the take-off distance by up to 25%, water drops and contamination on the wings (leading edge) – by 10-15%, high air temperature – by 5-10%. 1.1.3 Glider towing - After glider is attached to the towing rope make sure that the tow release handle is in its foremost position, otherwise push it till stop; - take-off with a glider attached shall be performed with the engine at take-off power (5 minutes maximum) in a usual manner (like without a glider); - the take-off distance requirements are specified in section 1.1.2.5; - in the beginning of the take-off run the inertia of the aero train is very high, but with gaining speed the acceleration increases. After lift-off accelerate the airplane to 100 km/h and start to climb; - it is recommended to maintain the best climb speed of 105 km/h IAS; - observe limitations. WARNING: While approaching the ground with the towing rope beware of the obstacles that may catch the rope. Release the rope over the landing strip threshold before landing. 1.1.4 Banner towing Banner towing can be performed using the same tow release used for glider towing. The attachment of the banner must ensure its safe release at any stage of flight. - After banner is attached to the towing rope make sure that the tow release handle is in its foremost position, otherwise push it till stop; - while taking-off with a banner take into consideration the length of the aero train (airplane and banner). Take-off shall be performed in a usual manner; - avoid making abrupt changes in direction or altitude of flight while towing; - before landing release the banner by pulling the release handle; - observe the banner operation instructions, provided by its manufacturer. WARNING: While approaching the ground with the banner beware of the obstacles that may catch the banner. Banner should be released at the height recommended by its manufacturer to avoid causing injuries to persons or damage to property by the free-falling banner. 1.1.5 Emergency situations In emergency situation for immediate release of the towed glider or banner – pull the tow release hadle located near the flap extension lever. AEROPRAKT-22LS Airplane Maintenance Manual A22LS-AMM-02 1 Glider and banner towing system A-22 airplane can be optionally equipped with E 85 tow release manufactured by Tost Flugzeuggerätebau company (http://www.tost.de) for towing of gliders or banners. The tow release is attached to the tail fuselage on a special fitting. The tow release can be acuated by pulling the tow release handle (located near the flap extension lever) connected to the tow release lever with a control cable. INSPECTION CHART Part No. Description Interval RCO Instruction TM LC A22.0.6725.00 A22.1.6725.00* Tow release control cable 100 h OC 20.1 L TSP 014000 Tow release 100 h 2000 starts / 4 years 20.2 L TSP * — for airplanes with cockpit plastic ceiling panel Instructions: 1.1 Inspect the tow release control cable from the release handle to the tow release lever. The cable must be is intact and free from corrosion (otherwise the cable must be replaced). Check the tow release force on the release handle. If release the force has increased too much – check condition of the tow release control cable and grease the cable near its fearleads. Recommended special tools: none.

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Necessary parts/materials: none. 1.2 Clean, lubricate and check for proper operation the tow release. The tow release opening must be performed without jamming. If the jamming occurs it must be eliminated or release must be replaced for the one identical to that installed on the airplane. Recommended special tools: none. Necessary parts/materials: none. NOTE: Releases are approved aeronautical parts. Their safety and operating life can be assured only by observing the maintenance intervals prescribed by EASA. Releases must be returned to the manufacturer for complete reconditioning after 10000 operations (approx. 2000 starts). Manufacturer recommends the general overhaul after 4 years. Due to environmental influence releases can corrode or become stiff and thus fail during operation.

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