# TCDS TCS L-4: Seaboard & Western Airlines

- Type: Type certificate data sheet
- Status: Current
- Holder: Seaboard & Western Airlines
- Revision: 3
- Revised: January 9, 1947
- Product: Aircraft, Small Airplane
- Registered aircraft: 2, by the registry models matched to it (OpenAirDocs)
- Data sheet PDF: https://openairdocs.org/files/sha256/7a/fc/7afc392b655de844a599864c0d6aa07be17f75c1f85374d55e083bde632c6387
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0B67D2B47E0620A28525673500441CF0.0001
- Page: https://openairdocs.org/tcds/TCS%20L-4

## Models (2)

As the data sheet lists them.

- SBD-5 (Navy)
- A-24B (Army)

## What the data sheet says

This is OCR from the scanned FAA data sheet. OCR can misread letters and numbers.

```text
MODELS: Douglas (Army) A-24B and (Navy) SBD-5 (Approved 1/9/47)
SPEC. NUMBER: L-4-3
(Eligible for Certification in Limited Category Only.)
(Holder of Limited Type Certificate: Seaboard and Western Airlines, Inc.,
New York,
Engine
Fuel  100 min. octane aviation gasoline
Engine limits  (See NOTE 2)  at 1x) 43.0 g. 2400 pm (1100 h  except takeoff (low blower)
or 39.5 in. Hq.. 2300 rpm (1000 hp)
(6900 ft.) 37.2 in. HJ.. 2300 rpm (1000 hp)
except takeoff  H (hith blowep)
9500) 2451. 2300 pm 90) h)
(Sea level) 45.5 in.  HJ.: 2500 rpm (1200 hp)
or 43.0 in. Hg., 2350 rpm (1100 hp)
Takeoff (high blower)  (five minutes)
Hamilton Sender 330532117-13 Fob, 65145e blaies  (9200 Et.) 46.0 in.  2500 Ipm (1000 hp)
Propeller
Governor 4G10-G4C
Airspeed linits  Glide or dive - 425 mph
Maximum weight  Takeoff 9000 1bs.; landing 9500 1bs.
C.G. range  24.5 percent to 31.4 percent MAC (Landing pear
retraction has no effect on C.G. movement)
Datum  69.33 inches forward of jig point on leading edge
MAC  100 inches, L.E. MAC 75.7 in.
Other Operating
Limitations  Army Technical Order No.
Certification basis  Limited Type Certificate Vo. 4 (CAR 9 effective
roduction paulit  None may be produced under this approval
xport eligib:  Not eligible for a Certificate of
No equipment other than engines and propellers are specified.
such equipment as required by Civil Air Regulations Part 43.30 for the
particular operation authorized for NC aircraft must be installed.
any additional equipment necessary for proper operation of the aircraft.
In addition, the aircraft nay incorporate such military equipment (except
armament) as was originally incorporated in the type for military or naval
Aiditional equipment may he installed as can be substantiated on
the basis that it presents no obvious hazard to safety.
Weight and Balance Report including list of equipment included in the
certificated empty weight must be submitted for each aircraft.
Navy weight records in current condition nay be submitted in lied of
The equipment list need include no more than the following:
Required equipment as defined under "EQUIPMENT" above.
Additional itens as may be reasonably considered removable and are
so located or of such  weight that their renoval or addition could
noticeably affect the weight and balance of the aircraft.
built into the aircraft structure need not be listed.
ment list must be prepared by the applicant for the approval of the
certificating C.A.A. representative, and in such form that it can

be attached to the C.d.A. Operation Limitations.
The following placards must he prominently displayed in the positions
In full view of passengers: &This is a military type aircraft and
Air Regulations shall not be used for the carriage
of passengers or cargo  for compensation or hire."
In the cockpit in full riew of the pilot:  'Do not extend landing
gear above 145 mph.i
"Do not open landing flaps above 125 nph."
"Maxinum speed landing gear down 145 nph."
continuous operation in range of 1600 to 1750 rpn."
The following statement nust appear on the Operation Limitations:
"This airplane must be operated at all tines within the limitations set
forth in Army Technical Order No. AN-01-$JAY-1 except for linitations
specifically called out in this aircraft specification in which case
the values given in aircraft specification 41-4 must be observed.
of the pertinent Army Technical Order and aircraft specification AL-d
must be carried during flight."  In all cases it will be the responsibility
of the applicant to  the Miny Technical and Navy
The C.A.A. does not have these documents available for
distribution.
All structural repairs should be made in accordance with Army Technical
Order AN-40AM-2.  If any repairs or modifications (other than those covered
in the pertinent Army or Navy repair manual) are nade prior to and/or
subsequent to Ni certitication, it is the responsibility of the owner to
evidence to a C.A.A. representative to show that the
modified airplane maintains the sane degree of airvorthiness as the original.
The C.A.A. can give no technical assistance on such matters since complete
data for NL aircraft are not required by Part 9 and therefore
are not available in the C.A.A.
For certification for night flying the following nust re accomplished:
Replace the wing position lights with certificated units or satis-
factorily modify the lights if pertinent.
Type A-? wing position lights (AN-3033-5 through -8) may be
satisfactorily modified by painting the inside frosted portion of  the cover black.  (AN-3033-1 through -4) are satisfactory
without modification.
Replace the tail light with a certificated unit.
conditions are provided for the position liqhts,
either the resistors should be disconnected from the circuits
a single-pole-single-throw switch should be used to replace the two
single-pole-double-throw switches presently installed for wing tip
and tail lights, or the switches should be placarded to indicate
only the "bright condition" should be used.  In either case
light and wing-tip lights should operate on one switch.
NOTE 6. Dive flaps must be rendered inoperative.
from CAA Aircraft Service, Washington 25, D.C.  Attn: A-298.
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Douglas A-24B](https://openairdocs.org/model/douglas-a-24b): 1 aircraft (registry code 3020404)
- [Douglas SBD-5](https://openairdocs.org/model/douglas-sbd-5): 1 aircraft (registry code 3020406)

## STCs approved under this data sheet (1)

- [STC SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc.

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