SERVICE LIFE POLICY COMPONENTS

                                     between

                               THE BOEING COMPANY

                                       and

                            American Trans Air, Inc.


                   Supplemental Exhibit SLP1 to Purchase Agreement Number 2285



<PAGE>


                         SERVICE LIFE POLICY COMPONENTS

                                   relating to

                            BOEING MODEL 757 AIRCRAFT

This is the listing of Covered  Components for the Aircraft which relate to Part
3, BOEING  SERVICE LIFE POLICY of Exhibit C, PRODUCT  ASSURANCE  DOCUMENT to the
AGTA and is a part of Purchase Agreement No. 2285.


1.           WING.
             ----

     (a) Upper and lower skins and stiffeners  between the forward and rear wing
spars.

     (b) Wing spar webs, chords, and stiffeners.

     (c) Inspar wing ribs.

     (d) Inspar splice plates and fittings.

     (e) Main landing gear support structure.

     (f) Wing center section lower beams,  spanwise  beams and floor beams,  but
not the seat tracks attached to the beams.

     (g) Wing-to-body structural attachments.

     (h)  Engine  strut  support  fittings  attached  directly  to wing  primary
structure.

     (i) Support structure in the wing for spoilers and spoiler  actuators;  for
aileron  hinges and  reaction  links;  and for leading edge devices and trailing
edge flaps.

     (j) Trailing edge flap tracks and carriages.

     (k) Aileron  leading edge device and  trailing  edge flap  internal,  fixed
attachment and actuator support structure.

2.           BODY.
             ----

     (a) External surface skins and doublers, longitudinal stiffeners, longerons
and  circumferential  rings and frames between the forward pressure bulkhead and
the vertical stabilizer rear spar bulkhead, and structural support and enclosure
for the APU but excluding all system  components  and related  installation  and
connecting  devices,  insulation,  lining,  and  decorative  panels and  related
installation and connecting devices.

     (b)  Window  and  windshield   structure  but  excluding  the  windows  and
windshields.

     (c) Fixed  attachment  structure of the  passenger  doors,  cargo doors and
emergency exits,  excluding door mechanisms and movable hinge components.  Sills
and frames  around the body openings for the  passenger  doors,  cargo doors and
emergency exits, excluding scuff plates and pressure seals.

     (d) Nose wheel well  structure,  including  the wheel well walls,  pressure
deck, forward and aft bulkheads, and the gear support structure.

     (e) Main gear wheel well structure  including pressure deck,  bulkheads and
landing gear beam support structure.

     (f) Floor beams and support  posts in the control cab and  passenger  cabin
area, but excluding seat tracks.

     (g) Forward and aft pressure bulkheads.

     (h) Keel  structure  between the wing front spar bulkhead and the main gear
wheel well aft bulkhead, including splices.

     (i) Wing front and rear spar support bulkheads, and vertical and horizontal
stabilizer front and rear spar support bulkheads including terminal fittings but
excluding all system components and related installation and connecting devices,
insulation,  lining,  decorative panels, and related installation and connecting
devices.

     (j) Support  structure in the body for the stabilizer  pivot and stabilizer
screw.

3.           VERTICAL STABILIZER.
             -------------------

     (a) External skins between front and rear spars.

     (b) Front,  rear and  auxiliary  spar chords,  webs,  and  stiffeners,  and
attachment fittings between vertical stabilizer and body.

     (c) Inspar ribs.

     (d)  Support  structure  in the  vertical  stabilizer  for  rudder  hinges,
reaction links and actuator.

     (e) Rudder internal, fixed attachment and actuator support structure.

     (f) Rudder hinges and supporting ribs, excluding bearings.

4.           HORIZONTAL STABILIZER.
             ---------------------

     (a) External skins between front and rear spars.

     (b) Front, rear and auxiliary spar chords, webs, and stiffeners.

     (c) Inspar ribs.

     (d) Stabilizer center splice fittings, pivot and screw support structure.

     (e) Support structure in the horizontal stabilizer for the elevator hinges,
reaction links and actuators.

     (f) Elevator internal, fixed attachment and actuator support structure.

5.           ENGINE STRUT.
             ------------

     (a) Strut external surface skin and doublers and stiffeners.

     (b) Internal strut chords, frames and bulkheads.

     (c) Strut to wing fittings and diagonal brace.

     (d) Engine mount support fittings attached directly to strut structure.

     (e) For Aircraft  equipped with Pratt & Whitney  engines  only,  the engine
mounted support fittings.

6.           MAIN LANDING GEAR.
             -----------------

     (a) Outer cylinder.

     (b) Inner cylinder.

     (c) Upper and lower side struts, including spindles and universals.

     (d) Drag strut.

     (e) Side strut reaction link.

     (f) Side strut support link.

     (g) Downlock links including spindles and universals.

     (h) Orifice plate.

     (i) Trunnion link.

     (j) Truck beam.

     (k) Axles.

     (l) Torsion links.

     (m) Stabilizer link.

7.           NOSE LANDING GEAR.
             -----------------

     (a) Outer cylinder.

     (b) Inner cylinder.

     (c) Upper and lower drag strut, including lock links.

     (d) Axles.

     (e) Torsion links.

     (f) Steering plates and steering collar.

     (g) Orifice plate.

     NOTE: The Service Life Policy does not cover any bearings, bolts, bushings,
clamps, brackets, actuating mechanisms or latching mechanisms used in or on
the Covered Components.