# TCDS A18SO: Piper Aircraft Inc.

- Type: Type certificate data sheet
- Status: Current
- Holder: Piper Aircraft Inc.
- Revision: 6
- Revised: March 4, 2022
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Registered aircraft: 442, by the registry models matched to it (OpenAirDocs)
- Data sheet PDF: https://openairdocs.org/files/sha256/5b/f9/5bf936a8d8b3e8de6774aa3eb9d224dd66fd125429d0dc2edb9b4926d418f549
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/10AF0DF8426F9B67862587FF00506E00.0001
- Page: https://openairdocs.org/tcds/A18SO

## Models (1)

As the data sheet lists them.

- PA-38-112

## What the data sheet says

From the PDF's text layer, line by line; tables lose their columns. The PDF is the record.

```text
Page No. 1 2 3 
Rev. No. 6 6 6 
 
DEPARTMENT OF TRANSPORTATION 
FEDERAL AVIATION ADMINISTRATION 
A18SO 
 Revision 6  
Piper Aircraft, Inc 
 
PA-38-112 
 
March 4, 2022   
 
 
 
 
TYPE CERTIFICATION DATA SHEET A18SO 
 
 
This data sheet which is a part of Type Certificate No. A18SO, prescribes conditions and limitations under which the product for 
which the Type Certificate was issued meets the airworthiness requirements of the Federal Aviation Regulations. 
 
Type Certificate Holder Piper Aircraft, Inc.  
 2926 Piper Drive 
 Vero Beach, Florida    32960 
 
Type Certificate Holder Record The New Piper Aircraft, Inc transferred TC A18SO to Piper Aircraft, Inc on August 7, 
2006. 
 
I. - Model PA-38-112 (Tomahawk), 2 PCLM (Normal and Utility Category), Approved December 20, 1977. 
 
Engine Lycoming O-235-L2C (Slick Magnetos) with carburetor setting 10-5199 or 
 Lycoming O-235-L2A (Bendix Magnetos) with carburetor setting 10-5199 
 
Fuel 100/130 minimum grade aviation gasoline 
 
Engine Limits For all operations, 2600 r.p.m.   (112 hp) 
 
Propeller and Propeller Limits Sensenich 72CK-0-56 
 Static r.p.m. at maximum permissible throttle setting not over 2350 r.p.m., not under 
 2200 r.p.m. 
 No additional tolerance permitted. 
 Diameter:  Not over 72 inches, not under 70 inches. 
 
Propeller Spinner Piper P/N 77710 
 See NOTE 4 for spinner removal. 
 
 Airspeed Limits   (CAS) Never exceed 143 knots 
 Maximum structural cruising 108 knots 
 Maneuvering 101 knots 
 Flaps extended   87 knots

A18SO Page 2 of 3  
 
Center of Gravity Range Normal and Utility Category 
 (+72.4) to (+78.5) at 1277 lb. or less 
 (+73.5) to (+78.5) at 1670 lb. 
 Straight line variation between points given. 
FUSELAGE STATION - INCH
LB.
1700
1600
1500
1400
1300
1200
1100
1000
72 73 74 75 76 77 78 79
 
Empty Weight C. G. Range None 
 
Datum 66.25 inches forward of wing leading edge. 
 
Leveling Means Top of tailcone behind rear window. 
 
Maximum Weight 1670 lb. (Normal and Utility Category) 
 
Number of Seats 2 (2 at +85.5) 
 
Maximum Baggage 100 lb. (+115.0) 
 
Fuel Capacity 32 gallons at (+75.4)     (2 wing tanks) 
 See NOTE 1 for data on unusable fuel. 
 
Oil Capacity 6 quarts at (+24.4)    (4 quarts usable) 
 See NOTE 1 for data on unusable oil. 
 
Control Surface Movements Wing Flaps ( 2°) Up 0° Down  34° 
 Ailerons ( 2°) Up 26° Down 14° 
 Rudder ( 1°) Left 29° Right 29° 
 Elevator ( 2°) Up 34° Down 20° 
       
Nose Wheel Travel  ( 2°) Left 30° Right 30° 
 
Serial Numbers Eligible 38-78A0001 through 38-82A0122  (See NOTE 6). 
 
Certification Basis Type Certificate Number A18SO, issued December 20, 1977, obtained by the 
manufacturer under delegation option procedures. 
 Date of application for Type Certificate, June 1, 1976. 
 
 FAR Part 23, effective February 1, 1965, as amended by Amendment by 23-16,  
 effective February 14, 1975, and FAR 36 including Amendments through 36-7,  
 effective October 1, 1977. 
 Finding of equivalent safety was made for the airspeed indicator (FAR 23.1545(a)). 
 
Production Basis Approved for manufacture of spare parts only under Production Certificate No. 206.

Page 3 of 3 A18SO 
 
 
Equipment The basic required equipment as prescribed in the applicable airworthiness regulations 
(see Certification Basis) must be installed in the aircraft for certification. 
 
 In addition, the following document is required: 
  1. Pilot's Operating Handbook, Piper Report Number 2126, dated Janu ary 20, 
    1978. 
 
NOTE 1. Current weight and balance report, including list of equipment included in certificated empty weight, and 
loading instructions when necessary, must be provided for each aircraft at the time of original certification. 
 
 The certificated empty weight and corresponding center-of-gravity locations must include undrainable system 
oil (not included in oil capacity) and unusable fuel as noted below: 
    
 Unusable Fuel & Oil Quantity 
 Fuel  12.0 lb.  at  (+75.4) 
 Oil    1.90 lb.  at  (+24.4) 
 
NOTE 2. The following placard must be displayed in clear view of the pilot: 
 
 "EXCEPT AS MAY BE OTHERWISE INDICATED ON A PLACARD, THE MARKINGS AND 
PLACARDS INSTALLED IN THIS AIRPLANE CONTAIN OPERATING LIMITATIONS WHICH MUST 
BE COMPLIED WITH WHEN OPERATING THIS AIRPLANE IN THE NORMAL CATEGORY.  
OTHER OPERATING LIMITATIONS WHICH MUST BE COMPLIED WITH WHEN OPERATING THIS 
AIRPLANE IN THIS CATEGORY OR IN THE UTILITY CATEGORY ARE CONTAINED IN THE 
PILOT'S OPERATING HANDBOOK. 
 
 FLAPS UP SPINS ARE APPROVED FOR UTILITY CATEGORY OPERATION.  FOR SPIN 
RECOVERY, USE FULL RUDDER AGAINST THE SPIN FOLLOWED IMMEDIATELY BY FORWARD 
WHEEL. 
 
 THIS AIRPLANE IS APPROVED FOR FLIGHT IN DAY/NIGHT VFR/IFR WHEN EQUIPPED IN 
ACCORDANCE WITH F.A.R. 91.  FLIGHT INTO KNOWN ICING CONDITIONS IS PROHIBITED. 
 
 FLAPS EXTENDED SPINS PROHIBITED." 
 
NOTE 3. Refer to Airplane Maintenance Manual 761-660 for Instructions for Continued Airworthiness. Life limited 
components are identified in Airplane Maintenance Manual 761-660, Chapter 4 Airworthiness Limitations 
section. 
 
NOTE 4. The Model PA-38-112, S/N 38-78A0001 through 38-82A0122 may be operated with the spinner dome 
removed, or with the spinner dome and rear bulkhead removed. 
 
NOTE 5. Inboard flow strips installed per Piper Drawing No. 61927-2, are installed on S/N 38-78A0017, 38-78A0786, 
38-78A0812, and 38-78A0815.  All S/Ns are eligible for installation of inboard flow strips per Piper 
Drawing No. 61927-2. 
 Pilot's Operating Handbook, Piper Report Number 2126, Revision 3, is required with this installation. 
 
NOTE 6. The following serial numbers are not eligible for airworthiness certification in the United States: 
 
 38-78A0344, 38-78A0358, 38-78A0424, 38-78A0439, 38-78A0624, 38-78A0639, 38-78A0734,  
 38-78A0749, 38-78A0829, 38-78A0844, 38-79A0058, 38-79A0088, 38-79A0156, 38-79A0221,  
 38-79A0236, 38-79A0271, 38-79A0301, 38-79A0699, 38-79A0713, 38-79A1042, , 38-79A1051,  
 38-79A1056, 38-79A1061, 38-79A1115, 38-79A1117, 38-79A1122, 38-79A1126, 38-79A1131,  
 38-79A1134, 38-79A1158, 38-79A1162, 38-79A1165, 38-79A1168, 38-80A0015, 38-80A0019,  
 38-80A0022, 38-80A0025, 38-80A0035, 38-80A0038 through 38-80A0051, 38-80A0054, 38-80A0056,  
 38-80A0057, 38-80A0060, 38-80A0063, 38-80A0077, 38-80A0080, 38-80A0083, 38-80A0086,  
 38-80A0104, 38-80A0113, 38-80A0120, 38-80A0123 through 38-80A0165, 38-80A0169 through  
 38-80A0198, 38-81A0136 through 38-81A0138, and 38-81A0191 through 38-81A0210. 
 
...END...
```

## ADs (21, in force first)

- [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI or SA02658SE). Effective Mar 21, 2022
- [AD 2006-03-08](https://openairdocs.org/ad/2006-03-08): Vacuum pumps · Aero Advantage 14-19, 14-19-2, 14-19-3 and 299 more. Effective Mar 10, 2006
- [AD 2001-23-17](https://openairdocs.org/ad/2001-23-17): GNS 430 units · Cessna 172, 182, 206 and 209 more. Effective Dec 28, 2001
- [AD 98-03-16](https://openairdocs.org/ad/98-03-16): Upper Rudder Hinge Bracket · Piper PA-38-112. Effective Mar 16, 1998
- [AD 96-09-06](https://openairdocs.org/ad/96-09-06): Air Filter Assemblies · Maule Aerospace Technology 7ACA, 7ECA, 7FC and 180 more. Effective Jun 7, 1996
- [AD 90-19-03](https://openairdocs.org/ad/90-19-03): Main Landing Gear System · Piper PA-38-112. Effective Oct 15, 1990
- [AD 85-11-06](https://openairdocs.org/ad/85-11-06): Control Loss · Piper PA-38-112. Effective May 30, 1985
- [AD 83-19-01](https://openairdocs.org/ad/83-19-01): Forward and Aft Fin Spars Repair/Modification · Piper PA-38-112. Effective Sep 29, 1983
- [AD 83-14-08](https://openairdocs.org/ad/83-14-08): Stall Characteristics · Piper PA-38-112. Effective Aug 26, 1983
- [AD 82-27-08](https://openairdocs.org/ad/82-27-08): Forward Fin Spar Web · Piper PA-38-112. Effective Jan 10, 1983
- [AD 82-02-01](https://openairdocs.org/ad/82-02-01): Aileron Balance Weights · Piper PA-38-112. Effective Jan 11, 1982
- [AD 81-23-07](https://openairdocs.org/ad/81-23-07): Engine Mount Assembly · Piper PA-38-112. Effective Nov 16, 1981
- [AD 80-25-07 R1](https://openairdocs.org/ad/80-25-07-R1): Oil Coolers · American Champion 7ECA, 7GCAA, 7GCBC and 39 more. Effective Sep 24, 1981
- [AD 80-22-13](https://openairdocs.org/ad/80-22-13): Rudder Upper Hinge · Piper PA-38-112. Effective Oct 31, 1980
- [AD 79-03-02](https://openairdocs.org/ad/79-03-02): Rudder Hinge Bearing · Piper PA-38-112. Effective May 28, 1980
- [AD 79-17-05](https://openairdocs.org/ad/79-17-05): Fuel Gauges and Engine Instruments · Piper PA-38-112. Effective Aug 22, 1979
- [AD 79-08-02](https://openairdocs.org/ad/79-08-02): Stabilizer Bracket Fitting · Piper PA-38-112. Effective Apr 12, 1979
- [AD 78-26-06](https://openairdocs.org/ad/78-26-06): Vertical Fin Attachment Plate · Piper PA-38-112. Effective Dec 26, 1978
- [AD 78-23-09](https://openairdocs.org/ad/78-23-09): Control Wheels · Piper PA-38-112. Effective Nov 13, 1978
- [AD 78-23-04](https://openairdocs.org/ad/78-23-04): Wing Rear Spar · Piper PA-38-112. Effective Nov 10, 1978
- [AD 78-22-01](https://openairdocs.org/ad/78-22-01): Rudder or Elevator Binding · Piper PA-38-112. Effective Oct 30, 1978

## Registered aircraft by registry model (OpenAirDocs)

- [Piper PA-38-112](https://openairdocs.org/model/piper-pa-38-112): 442 aircraft (registry code 7103812)

## STCs approved under this data sheet (156, first 50)

- [STC SA12428CH](https://openairdocs.org/stc/SA12428CH): Installation of the Lycoming Engines Electronic Ignition System (EIS). Lycoming Engines, An Operating Division of AVCO Corporation
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA12406WI](https://openairdocs.org/stc/SA12406WI): Installation of a Garmin AXIS Flight Display System. Garmin International Inc.
- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA02636SE](https://openairdocs.org/stc/SA02636SE): Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder.. Garmin International Inc.
- [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc.
- [STC SA01147WI](https://openairdocs.org/stc/SA01147WI): Installation of Concorde FLA or VRSLA series batteries in Piper Light Airplanes.. Concorde Battery Corporation
- [STC SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc.
- [STC SA04075CH](https://openairdocs.org/stc/SA04075CH): Installation of Dynon EFIS-D10A EAA sales kit part number 102778-000. Dynon Avionics Inc.
- [STC SA00081NY](https://openairdocs.org/stc/SA00081NY): Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector.. Alcor LLC
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc.
- [STC SA04046CH PAGE 2](https://openairdocs.org/stc/SA04046CH%20PAGE%202): Installation of L-3 GENESIS  (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc.
- [STC SA04378CH](https://openairdocs.org/stc/SA04378CH): Installation of an engine modified per STC SE04349CH. SureFly Partners Ltd.
- [STC SA02594SE](https://openairdocs.org/stc/SA02594SE): SkyView HDX Instrumentation and Autopilot System manufactured. Dynon Avionics
- [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC
- [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC
- [STC SA04568CH](https://openairdocs.org/stc/SA04568CH): Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder functionality. uAvionix Corporation
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc.
- [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).. Garmin International Inc.
- [STC SA02532AT](https://openairdocs.org/stc/SA02532AT): Installation of subject Michelin tires on appropriate aircraft. For Michelin 5, 6, 8, and 10-inch rim diameter tires on General Aviation Aircraft.. Michelin North America Inc.
- [STC SA01899WI](https://openairdocs.org/stc/SA01899WI): Installation of Garmin G3X Touch Electronic Flight Instrument System. Garmin International Inc.
- [STC SA02019WI](https://openairdocs.org/stc/SA02019WI): Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio.. Peregrine
- [STC SA00756DE](https://openairdocs.org/stc/SA00756DE): Installation of Automatic Dependent Surveillance  Broadcast (ADS-B) Out Equipment using a Trig Avionics TT22 Transponder and an approved Global Positioning System (GPS) Position Sensor. Peregrine
- [STC SA02987CH](https://openairdocs.org/stc/SA02987CH): Installation of the Electroair Electronic Ignition System. Electroair Acquisition Corporation
- [STC SA00954WI](https://openairdocs.org/stc/SA00954WI): Installation of Concorde RG Series Batteries in Piper Single Engine Airplanes.. Aero-Mach Wilco LLC
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc.
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA01818WI](https://openairdocs.org/stc/SA01818WI): Installation of Garmin G5 Electronic Flight Instrument. Garmin International Inc.
- [STC SA09902AC](https://openairdocs.org/stc/SA09902AC): Installation of BendixKing KFD 900 Flight Display System. Honeywell International Inc. (Bendix King)
- [STC SA11174SC PAGE 2](https://openairdocs.org/stc/SA11174SC%20PAGE%202): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation
- [STC SA00410BO](https://openairdocs.org/stc/SA00410BO): Installation of an AV-30-C Multi-Mode Indicator. uAvionix Corporation
- [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc
- [STC SA10236SC](https://openairdocs.org/stc/SA10236SC): Installation of a GDC 31 Roll Steering Converter. DAC International Inc
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation
- [STC SA01560WI-D](https://openairdocs.org/stc/SA01560WI-D): Installation of the Honeywell KFD 840 Primary Flight Display System.. Honeywell International Inc
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems.. Garmin International Inc
- [STC SA4135NM](https://openairdocs.org/stc/SA4135NM): Install Lycoming 0-235-L2C/L2A(M) engine (modified per STC SE792NW) and Sensenich 72CK-0-52/57 propeller.. Air Mods NW
- [STC SA4136NM](https://openairdocs.org/stc/SA4136NM): Installation of one of the following optional oil cooler: Stewart Warner 10578B, 10568A(C), 8046R, Harrison 8526250.. Air Mods NW
- [STC SA04032CH](https://openairdocs.org/stc/SA04032CH): Install rocker switch assemblies. Electroair Acquisition Corporation
- [STC SA00344BO PAGE 2](https://openairdocs.org/stc/SA00344BO%20PAGE%202): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.. Whelen Aerospace Technologies
- [STC SA00744DE](https://openairdocs.org/stc/SA00744DE): Installation of the Automatic Dependent Surveillance  Broadcast (ADS-B) Out Equipment using a Trig Avionics TT31 Transponder and an approved position sensor. Peregrine
- [STC SA00765DE](https://openairdocs.org/stc/SA00765DE): Installation of Automatic Dependent Surveillance  Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensor. Peregrine
- [STC SA04112CH](https://openairdocs.org/stc/SA04112CH): Installation of Appareo Systems, LLC Stratus ESG ADS-B transponder. Appareo Systems LLC.
- [STC SA04362CH](https://openairdocs.org/stc/SA04362CH): Installation of the uAvionix skyBeacon Automatic Dependent Surveillance-Broadcast (ADS-B) Out. uAvionix Corporation
- [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation
- [STC SA01435SE](https://openairdocs.org/stc/SA01435SE): Installation of J.P. Instruments (JPI) Primary Engine Data Management System. J. P. Instruments
- [STC SA02153LA-D PAGE 2](https://openairdocs.org/stc/SA02153LA-D%20PAGE%202): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc.
- [STC SA02503AK](https://openairdocs.org/stc/SA02503AK): Installation of AMSAFE State of the Art Restraint System (SOARS) inflatable restraints. AMSAFE Inc.
- [STC SA02013CH](https://openairdocs.org/stc/SA02013CH): Installation of Avidyne Corporation Traffic Advisory System (TAS). Avidyne Corporation

All 156: https://openairdocs.org/tcds/A18SO/stcs.md

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